[7559] | 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | import unittest, os |
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| 4 | import os.path |
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| 5 | from math import pi, sqrt |
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| 6 | import tempfile |
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| 7 | |
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[7866] | 8 | import anuga |
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| 9 | |
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[7559] | 10 | from anuga.config import g, epsilon |
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| 11 | from anuga.config import netcdf_mode_r, netcdf_mode_w, netcdf_mode_a |
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| 12 | from anuga.utilities.numerical_tools import mean |
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[7866] | 13 | from anuga.geometry.polygon import is_inside_polygon |
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[7559] | 14 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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| 15 | from anuga.abstract_2d_finite_volumes.quantity import Quantity |
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| 16 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
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| 17 | from anuga.abstract_2d_finite_volumes.mesh_factory import rectangular_cross |
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| 18 | |
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| 19 | from anuga.utilities.system_tools import get_pathname_from_package |
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| 20 | from swb_domain import * |
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| 21 | |
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| 22 | import numpy as num |
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| 23 | |
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| 24 | # Get gateway to C implementation of flux function for direct testing |
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| 25 | from shallow_water_ext import flux_function_central as flux_function |
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| 26 | |
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| 27 | |
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| 28 | # For test_fitting_using_shallow_water_domain example |
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| 29 | def linear_function(point): |
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| 30 | point = num.array(point) |
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| 31 | return point[:,0]+point[:,1] |
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| 32 | |
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| 33 | class Weir: |
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| 34 | """Set a bathymetry for weir with a hole and a downstream gutter |
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| 35 | x,y are assumed to be in the unit square |
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| 36 | """ |
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| 37 | |
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| 38 | def __init__(self, stage): |
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| 39 | self.inflow_stage = stage |
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| 40 | |
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| 41 | def __call__(self, x, y): |
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| 42 | N = len(x) |
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| 43 | assert N == len(y) |
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| 44 | |
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| 45 | z = num.zeros(N, num.float) |
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| 46 | for i in range(N): |
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| 47 | z[i] = -x[i]/2 #General slope |
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| 48 | |
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| 49 | #Flattish bit to the left |
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| 50 | if x[i] < 0.3: |
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| 51 | z[i] = -x[i]/10 |
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| 52 | |
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| 53 | #Weir |
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| 54 | if x[i] >= 0.3 and x[i] < 0.4: |
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| 55 | z[i] = -x[i]+0.9 |
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| 56 | |
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| 57 | #Dip |
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| 58 | x0 = 0.6 |
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| 59 | depth = -1.0 |
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| 60 | plateaux = -0.6 |
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| 61 | if y[i] < 0.7: |
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| 62 | if x[i] > x0 and x[i] < 0.9: |
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| 63 | z[i] = depth |
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| 64 | #RHS plateaux |
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| 65 | if x[i] >= 0.9: |
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| 66 | z[i] = plateaux |
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| 67 | elif y[i] >= 0.7 and y[i] < 1.5: |
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| 68 | #Restrict and deepen |
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| 69 | if x[i] >= x0 and x[i] < 0.8: |
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| 70 | z[i] = depth - (y[i]/3 - 0.3) |
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| 71 | elif x[i] >= 0.8: |
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| 72 | #RHS plateaux |
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| 73 | z[i] = plateaux |
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| 74 | elif y[i] >= 1.5: |
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| 75 | if x[i] >= x0 and x[i] < 0.8 + (y[i]-1.5)/1.2: |
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| 76 | #Widen up and stay at constant depth |
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| 77 | z[i] = depth-1.5/5 |
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| 78 | elif x[i] >= 0.8 + (y[i]-1.5)/1.2: |
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| 79 | #RHS plateaux |
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| 80 | z[i] = plateaux |
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| 81 | |
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| 82 | #Hole in weir (slightly higher than inflow condition) |
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| 83 | if x[i] >= 0.3 and x[i] < 0.4 and y[i] > 0.2 and y[i] < 0.4: |
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| 84 | z[i] = -x[i]+self.inflow_stage + 0.02 |
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| 85 | |
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| 86 | #Channel behind weir |
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| 87 | x0 = 0.5 |
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| 88 | if x[i] >= 0.4 and x[i] < x0 and y[i] > 0.2 and y[i] < 0.4: |
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| 89 | z[i] = -x[i]+self.inflow_stage + 0.02 |
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| 90 | |
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| 91 | if x[i] >= x0 and x[i] < 0.6 and y[i] > 0.2 and y[i] < 0.4: |
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| 92 | #Flatten it out towards the end |
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| 93 | z[i] = -x0+self.inflow_stage + 0.02 + (x0-x[i])/5 |
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| 94 | |
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| 95 | # Hole to the east |
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| 96 | x0 = 1.1 |
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| 97 | y0 = 0.35 |
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| 98 | if num.sqrt((2*(x[i]-x0))**2 + (2*(y[i]-y0))**2) < 0.2: |
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| 99 | z[i] = num.sqrt(((x[i]-x0))**2 + ((y[i]-y0))**2)-1.0 |
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| 100 | |
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| 101 | #Tiny channel draining hole |
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| 102 | if x[i] >= 1.14 and x[i] < 1.2 and y[i] >= 0.4 and y[i] < 0.6: |
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| 103 | z[i] = -0.9 #North south |
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| 104 | |
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| 105 | if x[i] >= 0.9 and x[i] < 1.18 and y[i] >= 0.58 and y[i] < 0.65: |
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| 106 | z[i] = -1.0 + (x[i]-0.9)/3 #East west |
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| 107 | |
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| 108 | # Stuff not in use |
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| 109 | |
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| 110 | # Upward slope at inlet to the north west |
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| 111 | # if x[i] < 0.0: # and y[i] > 0.5: |
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| 112 | # #z[i] = -y[i]+0.5 #-x[i]/2 |
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| 113 | # z[i] = x[i]/4 - y[i]**2 + 0.5 |
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| 114 | |
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| 115 | # Hole to the west |
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| 116 | # x0 = -0.4; y0 = 0.35 # center |
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| 117 | # if sqrt((2*(x[i]-x0))**2 + (2*(y[i]-y0))**2) < 0.2: |
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| 118 | # z[i] = sqrt(((x[i]-x0))**2 + ((y[i]-y0))**2)-0.2 |
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| 119 | |
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| 120 | return z/2 |
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| 121 | |
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| 122 | |
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| 123 | |
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| 124 | ######################################################### |
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| 125 | |
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| 126 | class Test_swb_basic(unittest.TestCase): |
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| 127 | def setUp(self): |
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| 128 | pass |
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| 129 | |
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| 130 | def tearDown(self): |
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| 131 | pass |
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| 132 | |
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| 133 | |
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| 134 | def test_rotate(self): |
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| 135 | normal = num.array([0.0, -1.0]) |
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| 136 | |
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| 137 | q = num.array([1.0, 2.0, 3.0]) |
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| 138 | |
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| 139 | r = rotate(q, normal, direction = 1) |
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| 140 | assert r[0] == 1 |
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| 141 | assert r[1] == -3 |
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| 142 | assert r[2] == 2 |
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| 143 | |
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| 144 | w = rotate(r, normal, direction = -1) |
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| 145 | assert num.allclose(w, q) |
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| 146 | |
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| 147 | # Check error check |
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| 148 | try: |
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| 149 | rotate(r, num.array([1, 1, 1])) |
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| 150 | except: |
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| 151 | pass |
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| 152 | else: |
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| 153 | raise Exception, 'Should have raised an exception' |
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| 154 | |
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| 155 | # Individual flux tests |
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| 156 | def test_flux_zero_case(self): |
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| 157 | ql = num.zeros(3, num.float) |
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| 158 | qr = num.zeros(3, num.float) |
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| 159 | normal = num.zeros(2, num.float) |
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| 160 | edgeflux = num.zeros(3, num.float) |
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| 161 | zl = zr = 0. |
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| 162 | H0 = 1.0e-3 # As suggested in the manual |
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| 163 | |
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| 164 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, epsilon, g, H0) |
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| 165 | |
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| 166 | assert num.allclose(edgeflux, [0,0,0]) |
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| 167 | assert max_speed == 0. |
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| 168 | |
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| 169 | def test_flux_constants(self): |
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| 170 | w = 2.0 |
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| 171 | |
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| 172 | normal = num.array([1.,0]) |
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| 173 | ql = num.array([w, 0, 0]) |
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| 174 | qr = num.array([w, 0, 0]) |
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| 175 | edgeflux = num.zeros(3, num.float) |
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| 176 | zl = zr = 0. |
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| 177 | h = w - (zl+zr)/2 |
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| 178 | H0 = 0.0 |
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| 179 | |
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| 180 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, epsilon, g, H0) |
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| 181 | assert num.allclose(edgeflux, [0., 0.5*g*h**2, 0.]) |
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| 182 | assert max_speed == num.sqrt(g*h) |
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| 183 | |
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| 184 | #def test_flux_slope(self): |
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| 185 | # #FIXME: TODO |
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| 186 | # w = 2.0 |
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| 187 | # |
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| 188 | # normal = array([1.,0]) |
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| 189 | # ql = array([w, 0, 0]) |
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| 190 | # qr = array([w, 0, 0]) |
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| 191 | # zl = zr = 0. |
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| 192 | # h = w - (zl+zr)/2 |
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| 193 | # |
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| 194 | # flux, max_speed = flux_function(normal, ql, qr, zl, zr) |
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| 195 | # |
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| 196 | # assert allclose(flux, [0., 0.5*g*h**2, 0.]) |
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| 197 | # assert max_speed == sqrt(g*h) |
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| 198 | |
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| 199 | def test_flux1(self): |
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| 200 | # Use data from previous version of abstract_2d_finite_volumes |
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| 201 | normal = num.array([1., 0]) |
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| 202 | ql = num.array([-0.2, 2, 3]) |
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| 203 | qr = num.array([-0.2, 2, 3]) |
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| 204 | zl = zr = -0.5 |
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| 205 | edgeflux = num.zeros(3, num.float) |
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| 206 | |
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| 207 | H0 = 0.0 |
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| 208 | |
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| 209 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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| 210 | epsilon, g, H0) |
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| 211 | |
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| 212 | assert num.allclose(edgeflux, [2., 13.77433333, 20.]) |
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| 213 | assert num.allclose(max_speed, 8.38130948661) |
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| 214 | |
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| 215 | def test_flux2(self): |
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| 216 | # Use data from previous version of abstract_2d_finite_volumes |
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| 217 | normal = num.array([0., -1.]) |
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| 218 | ql = num.array([-0.075, 2, 3]) |
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| 219 | qr = num.array([-0.075, 2, 3]) |
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| 220 | zl = zr = -0.375 |
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| 221 | |
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| 222 | edgeflux = num.zeros(3, num.float) |
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| 223 | H0 = 0.0 |
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| 224 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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| 225 | epsilon, g, H0) |
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| 226 | |
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| 227 | assert num.allclose(edgeflux, [-3., -20.0, -30.441]) |
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| 228 | assert num.allclose(max_speed, 11.7146428199) |
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| 229 | |
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| 230 | def test_flux3(self): |
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| 231 | # Use data from previous version of abstract_2d_finite_volumes |
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| 232 | normal = num.array([-sqrt(2)/2, sqrt(2)/2]) |
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| 233 | ql = num.array([-0.075, 2, 3]) |
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| 234 | qr = num.array([-0.075, 2, 3]) |
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| 235 | zl = zr = -0.375 |
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| 236 | |
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| 237 | edgeflux = num.zeros(3, num.float) |
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| 238 | H0 = 0.0 |
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| 239 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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| 240 | epsilon, g, H0) |
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| 241 | |
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| 242 | assert num.allclose(edgeflux, [sqrt(2)/2, 4.40221112, 7.3829019]) |
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| 243 | assert num.allclose(max_speed, 4.0716654239) |
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| 244 | |
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| 245 | def test_flux4(self): |
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| 246 | # Use data from previous version of abstract_2d_finite_volumes |
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| 247 | normal = num.array([-sqrt(2)/2, sqrt(2)/2]) |
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| 248 | ql = num.array([-0.34319278, 0.10254161, 0.07273855]) |
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| 249 | qr = num.array([-0.30683287, 0.1071986, 0.05930515]) |
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| 250 | zl = zr = -0.375 |
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| 251 | |
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| 252 | edgeflux = num.zeros(3, num.float) |
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| 253 | H0 = 0.0 |
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| 254 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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| 255 | epsilon, g, H0) |
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| 256 | |
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| 257 | assert num.allclose(edgeflux, [-0.04072676, -0.07096636, -0.01604364]) |
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| 258 | assert num.allclose(max_speed, 1.31414103233) |
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| 259 | |
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| 260 | def test_flux_computation(self): |
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| 261 | """test flux calculation (actual C implementation) |
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| 262 | |
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| 263 | This one tests the constant case where only the pressure term |
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| 264 | contributes to each edge and cancels out once the total flux has |
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| 265 | been summed up. |
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| 266 | """ |
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| 267 | |
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| 268 | a = [0.0, 0.0] |
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| 269 | b = [0.0, 2.0] |
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| 270 | c = [2.0, 0.0] |
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| 271 | d = [0.0, 4.0] |
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| 272 | e = [2.0, 2.0] |
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| 273 | f = [4.0, 0.0] |
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| 274 | |
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| 275 | points = [a, b, c, d, e, f] |
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| 276 | # bac, bce, ecf, dbe |
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| 277 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 278 | |
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| 279 | domain = Domain(points, vertices) |
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| 280 | domain.check_integrity() |
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| 281 | |
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| 282 | # The constant case |
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| 283 | domain.set_quantity('elevation', -1) |
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| 284 | domain.set_quantity('stage', 1) |
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| 285 | |
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| 286 | domain.compute_fluxes() |
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| 287 | # Central triangle |
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| 288 | assert num.allclose(domain.get_quantity('stage').explicit_update[1], 0) |
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| 289 | |
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| 290 | # The more general case |
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| 291 | def surface(x, y): |
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| 292 | return -x/2 |
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| 293 | |
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| 294 | domain.set_quantity('elevation', -10) |
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| 295 | domain.set_quantity('stage', surface) |
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| 296 | domain.set_quantity('xmomentum', 1) |
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| 297 | |
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| 298 | domain.compute_fluxes() |
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| 299 | |
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| 300 | #print domain.get_quantity('stage').explicit_update |
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| 301 | # FIXME (Ole): TODO the general case |
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| 302 | #assert allclose(domain.get_quantity('stage').explicit_update[1], ...??) |
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| 303 | |
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| 304 | def test_sw_domain_simple(self): |
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| 305 | a = [0.0, 0.0] |
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| 306 | b = [0.0, 2.0] |
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| 307 | c = [2.0, 0.0] |
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| 308 | d = [0.0, 4.0] |
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| 309 | e = [2.0, 2.0] |
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| 310 | f = [4.0, 0.0] |
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| 311 | |
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| 312 | points = [a, b, c, d, e, f] |
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| 313 | # bac, bce, ecf, dbe |
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| 314 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 315 | |
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| 316 | #from anuga.abstract_2d_finite_volumes.domain import Domain as Generic_domain |
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| 317 | #msg = 'The class %s is not a subclass of the generic domain class %s'\ |
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| 318 | # %(DomainClass, Domain) |
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| 319 | #assert issubclass(DomainClass, Domain), msg |
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| 320 | |
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| 321 | domain = Domain(points, vertices) |
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| 322 | domain.check_integrity() |
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| 323 | |
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| 324 | for name in ['stage', 'xmomentum', 'ymomentum', |
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| 325 | 'elevation', 'friction']: |
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| 326 | assert domain.quantities.has_key(name) |
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| 327 | |
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| 328 | assert num.alltrue(domain.get_conserved_quantities(0, edge=1) == 0.) |
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| 329 | |
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| 330 | def xtest_catching_negative_heights(self): |
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| 331 | #OBSOLETE |
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| 332 | |
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| 333 | a = [0.0, 0.0] |
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| 334 | b = [0.0, 2.0] |
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| 335 | c = [2.0, 0.0] |
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| 336 | d = [0.0, 4.0] |
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| 337 | e = [2.0, 2.0] |
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| 338 | f = [4.0, 0.0] |
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| 339 | |
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| 340 | points = [a, b, c, d, e, f] |
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| 341 | # bac, bce, ecf, dbe |
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| 342 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 343 | |
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| 344 | domain = Domain(points, vertices) |
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| 345 | val0 = 2. + 2.0/3 |
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| 346 | val1 = 4. + 4.0/3 |
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| 347 | val2 = 8. + 2.0/3 |
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| 348 | val3 = 2. + 8.0/3 |
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| 349 | |
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| 350 | zl = zr = 4 # Too large |
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| 351 | domain.set_quantity('elevation', zl*num.ones((4, 3), num.int)) #array default# |
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| 352 | domain.set_quantity('stage', [[val0, val0-1, val0-2], |
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| 353 | [val1, val1+1, val1], |
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| 354 | [val2, val2-2, val2], |
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| 355 | [val3-0.5, val3, val3]]) |
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| 356 | |
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| 357 | #Should fail |
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| 358 | try: |
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| 359 | domain.check_integrity() |
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| 360 | except: |
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| 361 | pass |
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| 362 | |
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| 363 | def test_get_wet_elements(self): |
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| 364 | a = [0.0, 0.0] |
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| 365 | b = [0.0, 2.0] |
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| 366 | c = [2.0, 0.0] |
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| 367 | d = [0.0, 4.0] |
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| 368 | e = [2.0, 2.0] |
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| 369 | f = [4.0, 0.0] |
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| 370 | |
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| 371 | points = [a, b, c, d, e, f] |
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| 372 | # bac, bce, ecf, dbe |
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| 373 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 374 | |
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| 375 | domain = Domain(points, vertices) |
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| 376 | |
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| 377 | val0 = 2. + 2.0/3 |
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| 378 | val1 = 4. + 4.0/3 |
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| 379 | val2 = 8. + 2.0/3 |
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| 380 | val3 = 2. + 8.0/3 |
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| 381 | |
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| 382 | zl = zr = 5 |
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| 383 | domain.set_quantity('elevation', zl*num.ones((4, 3), num.int)) #array default# |
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| 384 | domain.set_quantity('stage', [[val0, val0-1, val0-2], |
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| 385 | [val1, val1+1, val1], |
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| 386 | [val2, val2-2, val2], |
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| 387 | [val3-0.5, val3, val3]]) |
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| 388 | |
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| 389 | domain.check_integrity() |
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| 390 | |
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| 391 | indices = domain.get_wet_elements() |
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| 392 | assert num.allclose(indices, [1, 2]) |
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| 393 | |
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| 394 | indices = domain.get_wet_elements(indices=[0, 1, 3]) |
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| 395 | assert num.allclose(indices, [1]) |
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| 396 | |
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| 397 | def test_get_maximum_inundation_1(self): |
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| 398 | a = [0.0, 0.0] |
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| 399 | b = [0.0, 2.0] |
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| 400 | c = [2.0, 0.0] |
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| 401 | d = [0.0, 4.0] |
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| 402 | e = [2.0, 2.0] |
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| 403 | f = [4.0, 0.0] |
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| 404 | |
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| 405 | points = [a, b, c, d, e, f] |
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| 406 | # bac, bce, ecf, dbe |
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| 407 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 408 | |
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| 409 | domain = Domain(points, vertices) |
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| 410 | |
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| 411 | domain.set_quantity('elevation', lambda x, y: x+2*y) # 2 4 4 6 |
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| 412 | domain.set_quantity('stage', 3) |
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| 413 | |
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| 414 | domain.check_integrity() |
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| 415 | |
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| 416 | indices = domain.get_wet_elements() |
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| 417 | assert num.allclose(indices, [0]) |
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| 418 | |
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| 419 | q = domain.get_maximum_inundation_elevation() |
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| 420 | assert num.allclose(q, domain.get_quantity('elevation').\ |
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| 421 | get_values(location='centroids')[0]) |
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| 422 | |
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| 423 | x, y = domain.get_maximum_inundation_location() |
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| 424 | assert num.allclose([x, y], domain.get_centroid_coordinates()[0]) |
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| 425 | |
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| 426 | def test_get_maximum_inundation_2(self): |
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| 427 | """test_get_maximum_inundation_2(self) |
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| 428 | |
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| 429 | Test multiple wet cells with same elevation |
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| 430 | """ |
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| 431 | |
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| 432 | a = [0.0, 0.0] |
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| 433 | b = [0.0, 2.0] |
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| 434 | c = [2.0, 0.0] |
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| 435 | d = [0.0, 4.0] |
---|
| 436 | e = [2.0, 2.0] |
---|
| 437 | f = [4.0, 0.0] |
---|
| 438 | |
---|
| 439 | points = [a, b, c, d, e, f] |
---|
| 440 | # bac, bce, ecf, dbe |
---|
| 441 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
| 442 | |
---|
| 443 | domain = Domain(points, vertices) |
---|
| 444 | |
---|
| 445 | domain.set_quantity('elevation', lambda x, y: x+2*y) # 2 4 4 6 |
---|
| 446 | domain.set_quantity('stage', 4.1) |
---|
| 447 | |
---|
| 448 | domain.check_integrity() |
---|
| 449 | |
---|
| 450 | indices = domain.get_wet_elements() |
---|
| 451 | assert num.allclose(indices, [0, 1, 2]) |
---|
| 452 | |
---|
| 453 | q = domain.get_maximum_inundation_elevation() |
---|
| 454 | assert num.allclose(q, 4) |
---|
| 455 | |
---|
| 456 | x, y = domain.get_maximum_inundation_location() |
---|
| 457 | assert num.allclose([x, y], domain.get_centroid_coordinates()[1]) |
---|
| 458 | |
---|
| 459 | def test_get_maximum_inundation_3(self): |
---|
| 460 | """test_get_maximum_inundation_3(self) |
---|
| 461 | |
---|
| 462 | Test of real runup example: |
---|
| 463 | """ |
---|
| 464 | |
---|
| 465 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
| 466 | import rectangular_cross |
---|
| 467 | |
---|
| 468 | initial_runup_height = -0.4 |
---|
| 469 | final_runup_height = -0.3 |
---|
| 470 | |
---|
| 471 | #-------------------------------------------------------------- |
---|
| 472 | # Setup computational domain |
---|
| 473 | #-------------------------------------------------------------- |
---|
| 474 | N = 5 |
---|
| 475 | points, vertices, boundary = rectangular_cross(N, N) |
---|
| 476 | domain = Domain(points, vertices, boundary) |
---|
| 477 | domain.set_maximum_allowed_speed(1.0) |
---|
| 478 | |
---|
| 479 | #-------------------------------------------------------------- |
---|
| 480 | # Setup initial conditions |
---|
| 481 | #-------------------------------------------------------------- |
---|
| 482 | def topography(x, y): |
---|
| 483 | return -x/2 # linear bed slope |
---|
| 484 | |
---|
| 485 | # Use function for elevation |
---|
| 486 | domain.set_quantity('elevation', topography) |
---|
| 487 | domain.set_quantity('friction', 0.) # Zero friction |
---|
| 488 | # Constant negative initial stage |
---|
| 489 | domain.set_quantity('stage', initial_runup_height) |
---|
| 490 | |
---|
| 491 | #-------------------------------------------------------------- |
---|
| 492 | # Setup boundary conditions |
---|
| 493 | #-------------------------------------------------------------- |
---|
| 494 | Br = Reflective_boundary(domain) # Reflective wall |
---|
| 495 | Bd = Dirichlet_boundary([final_runup_height, 0, 0]) # Constant inflow |
---|
| 496 | |
---|
| 497 | # All reflective to begin with (still water) |
---|
| 498 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 499 | |
---|
| 500 | #-------------------------------------------------------------- |
---|
| 501 | # Test initial inundation height |
---|
| 502 | #-------------------------------------------------------------- |
---|
| 503 | |
---|
| 504 | indices = domain.get_wet_elements() |
---|
| 505 | z = domain.get_quantity('elevation').get_values(location='centroids', |
---|
| 506 | indices=indices) |
---|
| 507 | assert num.alltrue(z < initial_runup_height) |
---|
| 508 | |
---|
| 509 | q = domain.get_maximum_inundation_elevation() |
---|
| 510 | # First order accuracy |
---|
| 511 | assert num.allclose(q, initial_runup_height, rtol=1.0/N) |
---|
| 512 | |
---|
| 513 | x, y = domain.get_maximum_inundation_location() |
---|
| 514 | |
---|
| 515 | qref = domain.get_quantity('elevation').\ |
---|
| 516 | get_values(interpolation_points=[[x, y]]) |
---|
| 517 | assert num.allclose(q, qref) |
---|
| 518 | |
---|
| 519 | wet_elements = domain.get_wet_elements() |
---|
| 520 | wet_elevations = domain.get_quantity('elevation').\ |
---|
| 521 | get_values(location='centroids', |
---|
| 522 | indices=wet_elements) |
---|
| 523 | assert num.alltrue(wet_elevations < initial_runup_height) |
---|
| 524 | assert num.allclose(wet_elevations, z) |
---|
| 525 | |
---|
| 526 | #-------------------------------------------------------------- |
---|
| 527 | # Let triangles adjust |
---|
| 528 | #-------------------------------------------------------------- |
---|
| 529 | for t in domain.evolve(yieldstep = 0.1, finaltime = 1.0): |
---|
| 530 | pass |
---|
| 531 | |
---|
| 532 | #-------------------------------------------------------------- |
---|
| 533 | # Test inundation height again |
---|
| 534 | #-------------------------------------------------------------- |
---|
| 535 | indices = domain.get_wet_elements() |
---|
| 536 | z = domain.get_quantity('elevation').get_values(location='centroids', |
---|
| 537 | indices=indices) |
---|
| 538 | |
---|
| 539 | assert num.alltrue(z < initial_runup_height) |
---|
| 540 | |
---|
| 541 | q = domain.get_maximum_inundation_elevation() |
---|
| 542 | # First order accuracy |
---|
| 543 | assert num.allclose(q, initial_runup_height, rtol=1.0/N) |
---|
| 544 | |
---|
| 545 | x, y = domain.get_maximum_inundation_location() |
---|
| 546 | qref = domain.get_quantity('elevation').\ |
---|
| 547 | get_values(interpolation_points=[[x, y]]) |
---|
| 548 | assert num.allclose(q, qref) |
---|
| 549 | |
---|
| 550 | #-------------------------------------------------------------- |
---|
| 551 | # Update boundary to allow inflow |
---|
| 552 | #-------------------------------------------------------------- |
---|
| 553 | domain.set_boundary({'right': Bd}) |
---|
| 554 | |
---|
| 555 | #-------------------------------------------------------------- |
---|
| 556 | # Evolve system through time |
---|
| 557 | #-------------------------------------------------------------- |
---|
| 558 | for t in domain.evolve(yieldstep = 0.1, finaltime = 3.0): |
---|
| 559 | pass |
---|
| 560 | |
---|
| 561 | #-------------------------------------------------------------- |
---|
| 562 | # Test inundation height again |
---|
| 563 | #-------------------------------------------------------------- |
---|
| 564 | indices = domain.get_wet_elements() |
---|
| 565 | z = domain.get_quantity('elevation').\ |
---|
| 566 | get_values(location='centroids', indices=indices) |
---|
| 567 | |
---|
| 568 | assert num.alltrue(z < final_runup_height) |
---|
| 569 | |
---|
| 570 | q = domain.get_maximum_inundation_elevation() |
---|
| 571 | # First order accuracy |
---|
| 572 | assert num.allclose(q, final_runup_height, rtol=1.0/N) |
---|
| 573 | |
---|
| 574 | x, y = domain.get_maximum_inundation_location() |
---|
| 575 | qref = domain.get_quantity('elevation').\ |
---|
| 576 | get_values(interpolation_points=[[x, y]]) |
---|
| 577 | assert num.allclose(q, qref) |
---|
| 578 | |
---|
| 579 | wet_elements = domain.get_wet_elements() |
---|
| 580 | wet_elevations = domain.get_quantity('elevation').\ |
---|
| 581 | get_values(location='centroids', |
---|
| 582 | indices=wet_elements) |
---|
| 583 | assert num.alltrue(wet_elevations < final_runup_height) |
---|
| 584 | assert num.allclose(wet_elevations, z) |
---|
| 585 | |
---|
| 586 | def test_get_maximum_inundation_from_sww(self): |
---|
| 587 | """test_get_maximum_inundation_from_sww(self) |
---|
| 588 | |
---|
| 589 | Test of get_maximum_inundation_elevation() |
---|
| 590 | and get_maximum_inundation_location() from data_manager.py |
---|
| 591 | |
---|
| 592 | This is based on test_get_maximum_inundation_3(self) but works with the |
---|
| 593 | stored results instead of with the internal data structure. |
---|
| 594 | |
---|
| 595 | This test uses the underlying get_maximum_inundation_data for tests |
---|
| 596 | """ |
---|
| 597 | |
---|
| 598 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
| 599 | import rectangular_cross |
---|
| 600 | from data_manager import get_maximum_inundation_elevation |
---|
| 601 | from data_manager import get_maximum_inundation_location |
---|
| 602 | from data_manager import get_maximum_inundation_data |
---|
| 603 | |
---|
| 604 | initial_runup_height = -0.4 |
---|
| 605 | final_runup_height = -0.3 |
---|
| 606 | |
---|
| 607 | #-------------------------------------------------------------- |
---|
| 608 | # Setup computational domain |
---|
| 609 | #-------------------------------------------------------------- |
---|
| 610 | N = 10 |
---|
| 611 | points, vertices, boundary = rectangular_cross(N, N) |
---|
| 612 | domain = Domain(points, vertices, boundary) |
---|
| 613 | domain.set_name('runup_test') |
---|
[7575] | 614 | #domain.set_maximum_allowed_speed(1.0) |
---|
[7559] | 615 | |
---|
| 616 | # FIXME: This works better with old limiters so far |
---|
[7575] | 617 | #domain.tight_slope_limiters = 0 |
---|
[7559] | 618 | |
---|
| 619 | #-------------------------------------------------------------- |
---|
| 620 | # Setup initial conditions |
---|
| 621 | #-------------------------------------------------------------- |
---|
| 622 | def topography(x, y): |
---|
| 623 | return -x/2 # linear bed slope |
---|
| 624 | |
---|
| 625 | # Use function for elevation |
---|
| 626 | domain.set_quantity('elevation', topography) |
---|
| 627 | domain.set_quantity('friction', 0.) # Zero friction |
---|
| 628 | # Constant negative initial stage |
---|
| 629 | domain.set_quantity('stage', initial_runup_height) |
---|
| 630 | |
---|
| 631 | #-------------------------------------------------------------- |
---|
| 632 | # Setup boundary conditions |
---|
| 633 | #-------------------------------------------------------------- |
---|
| 634 | Br = Reflective_boundary(domain) # Reflective wall |
---|
| 635 | Bd = Dirichlet_boundary([final_runup_height, 0, 0]) # Constant inflow |
---|
| 636 | |
---|
| 637 | # All reflective to begin with (still water) |
---|
| 638 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 639 | |
---|
| 640 | #-------------------------------------------------------------- |
---|
| 641 | # Test initial inundation height |
---|
| 642 | #-------------------------------------------------------------- |
---|
| 643 | indices = domain.get_wet_elements() |
---|
| 644 | z = domain.get_quantity('elevation').\ |
---|
| 645 | get_values(location='centroids', indices=indices) |
---|
| 646 | assert num.alltrue(z < initial_runup_height) |
---|
| 647 | |
---|
| 648 | q_ref = domain.get_maximum_inundation_elevation() |
---|
| 649 | # First order accuracy |
---|
| 650 | assert num.allclose(q_ref, initial_runup_height, rtol=1.0/N) |
---|
| 651 | |
---|
| 652 | #-------------------------------------------------------------- |
---|
| 653 | # Let triangles adjust |
---|
| 654 | #-------------------------------------------------------------- |
---|
| 655 | for t in domain.evolve(yieldstep = 0.1, finaltime = 1.0): |
---|
| 656 | pass |
---|
| 657 | |
---|
| 658 | #-------------------------------------------------------------- |
---|
| 659 | # Test inundation height again |
---|
| 660 | #-------------------------------------------------------------- |
---|
| 661 | q_ref = domain.get_maximum_inundation_elevation() |
---|
| 662 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
| 663 | msg = 'We got %f, should have been %f' % (q, q_ref) |
---|
| 664 | assert num.allclose(q, q_ref, rtol=1.0/N), msg |
---|
| 665 | |
---|
| 666 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
| 667 | msg = 'We got %f, should have been %f' % (q, initial_runup_height) |
---|
| 668 | assert num.allclose(q, initial_runup_height, rtol = 1.0/N), msg |
---|
| 669 | |
---|
| 670 | # Test error condition if time interval is out |
---|
| 671 | try: |
---|
| 672 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
| 673 | time_interval=[2.0, 3.0]) |
---|
| 674 | except ValueError: |
---|
| 675 | pass |
---|
| 676 | else: |
---|
| 677 | msg = 'should have caught wrong time interval' |
---|
| 678 | raise Exception, msg |
---|
| 679 | |
---|
| 680 | # Check correct time interval |
---|
| 681 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
| 682 | time_interval=[0.0, 3.0]) |
---|
| 683 | msg = 'We got %f, should have been %f' % (q, initial_runup_height) |
---|
| 684 | assert num.allclose(q, initial_runup_height, rtol = 1.0/N), msg |
---|
| 685 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
| 686 | |
---|
| 687 | #-------------------------------------------------------------- |
---|
| 688 | # Update boundary to allow inflow |
---|
| 689 | #-------------------------------------------------------------- |
---|
| 690 | domain.set_boundary({'right': Bd}) |
---|
| 691 | |
---|
| 692 | #-------------------------------------------------------------- |
---|
| 693 | # Evolve system through time |
---|
| 694 | #-------------------------------------------------------------- |
---|
| 695 | q_max = None |
---|
| 696 | for t in domain.evolve(yieldstep = 0.1, finaltime = 3.0, |
---|
| 697 | skip_initial_step = True): |
---|
| 698 | q = domain.get_maximum_inundation_elevation() |
---|
| 699 | if q > q_max: |
---|
| 700 | q_max = q |
---|
| 701 | |
---|
| 702 | #-------------------------------------------------------------- |
---|
| 703 | # Test inundation height again |
---|
| 704 | #-------------------------------------------------------------- |
---|
| 705 | indices = domain.get_wet_elements() |
---|
| 706 | z = domain.get_quantity('elevation').\ |
---|
| 707 | get_values(location='centroids', indices=indices) |
---|
| 708 | |
---|
| 709 | assert num.alltrue(z < final_runup_height) |
---|
| 710 | |
---|
| 711 | q = domain.get_maximum_inundation_elevation() |
---|
| 712 | # First order accuracy |
---|
| 713 | assert num.allclose(q, final_runup_height, rtol=1.0/N) |
---|
| 714 | |
---|
| 715 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
| 716 | time_interval=[3.0, 3.0]) |
---|
| 717 | msg = 'We got %f, should have been %f' % (q, final_runup_height) |
---|
| 718 | assert num.allclose(q, final_runup_height, rtol=1.0/N), msg |
---|
| 719 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
| 720 | |
---|
| 721 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
| 722 | loc = get_maximum_inundation_location('runup_test.sww') |
---|
| 723 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
| 724 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
| 725 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
| 726 | |
---|
| 727 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
| 728 | time_interval=[0, 3]) |
---|
| 729 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
| 730 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
| 731 | |
---|
| 732 | # Check polygon mode |
---|
| 733 | # Runup region |
---|
| 734 | polygon = [[0.3, 0.0], [0.9, 0.0], [0.9, 1.0], [0.3, 1.0]] |
---|
| 735 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
| 736 | polygon = polygon, |
---|
| 737 | time_interval=[0, 3]) |
---|
| 738 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
| 739 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
| 740 | |
---|
| 741 | # Offshore region |
---|
| 742 | polygon = [[0.9, 0.0], [1.0, 0.0], [1.0, 1.0], [0.9, 1.0]] |
---|
| 743 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
| 744 | polygon = polygon, |
---|
| 745 | time_interval=[0, 3]) |
---|
| 746 | msg = 'We got %f, should have been %f' % (q, -0.475) |
---|
| 747 | assert num.allclose(q, -0.475, rtol=1.0/N), msg |
---|
| 748 | assert is_inside_polygon(loc, polygon) |
---|
| 749 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
| 750 | |
---|
| 751 | # Dry region |
---|
[7575] | 752 | polygon = [[0.0, 0.0], [0.2, 0.0], [0.2, 1.0], [0.0, 1.0]] |
---|
[7559] | 753 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
| 754 | polygon = polygon, |
---|
| 755 | time_interval=[0, 3]) |
---|
| 756 | msg = 'We got %s, should have been None' % (q) |
---|
| 757 | assert q is None, msg |
---|
| 758 | msg = 'We got %s, should have been None' % (loc) |
---|
| 759 | assert loc is None, msg |
---|
| 760 | |
---|
| 761 | # Check what happens if no time point is within interval |
---|
| 762 | try: |
---|
| 763 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
| 764 | time_interval=[2.75, 2.75]) |
---|
| 765 | except AssertionError: |
---|
| 766 | pass |
---|
| 767 | else: |
---|
| 768 | msg = 'Time interval should have raised an exception' |
---|
| 769 | raise Exception, msg |
---|
| 770 | |
---|
| 771 | # Cleanup |
---|
| 772 | try: |
---|
| 773 | os.remove(domain.get_name() + '.sww') |
---|
| 774 | except: |
---|
| 775 | pass |
---|
| 776 | #FIXME(Ole): Windows won't allow removal of this |
---|
| 777 | |
---|
| 778 | |
---|
| 779 | |
---|
| 780 | |
---|
| 781 | |
---|
| 782 | def test_another_runup_example(self): |
---|
| 783 | """test_another_runup_example |
---|
| 784 | |
---|
| 785 | Test runup example where actual timeseries at interpolated |
---|
| 786 | points are tested. |
---|
| 787 | """ |
---|
| 788 | |
---|
| 789 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
| 790 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
| 791 | import rectangular_cross |
---|
| 792 | from anuga.shallow_water import Domain |
---|
| 793 | from anuga.shallow_water import Reflective_boundary |
---|
| 794 | from anuga.shallow_water import Dirichlet_boundary |
---|
| 795 | |
---|
| 796 | #----------------------------------------------------------------- |
---|
| 797 | # Setup computational domain |
---|
| 798 | #----------------------------------------------------------------- |
---|
| 799 | points, vertices, boundary = rectangular_cross(10, 10) # Basic mesh |
---|
| 800 | domain = Domain(points, vertices, boundary) # Create domain |
---|
| 801 | domain.set_default_order(2) |
---|
| 802 | domain.set_quantities_to_be_stored(None) |
---|
| 803 | domain.H0 = 1.0e-3 |
---|
| 804 | |
---|
| 805 | #----------------------------------------------------------------- |
---|
| 806 | # Setup initial conditions |
---|
| 807 | #----------------------------------------------------------------- |
---|
| 808 | def topography(x, y): |
---|
| 809 | return -x/2 # linear bed slope |
---|
| 810 | |
---|
| 811 | domain.set_quantity('elevation', topography) |
---|
| 812 | domain.set_quantity('friction', 0.0) |
---|
| 813 | domain.set_quantity('stage', expression='elevation') |
---|
| 814 | |
---|
| 815 | #---------------------------------------------------------------- |
---|
| 816 | # Setup boundary conditions |
---|
| 817 | #---------------------------------------------------------------- |
---|
| 818 | Br = Reflective_boundary(domain) # Solid reflective wall |
---|
| 819 | Bd = Dirichlet_boundary([-0.2, 0., 0.]) # Constant boundary values |
---|
| 820 | domain.set_boundary({'left': Br, 'right': Bd, 'top': Br, 'bottom': Br}) |
---|
| 821 | |
---|
| 822 | #---------------------------------------------------------------- |
---|
| 823 | # Evolve system through time |
---|
| 824 | #---------------------------------------------------------------- |
---|
| 825 | interpolation_points = [[0.4,0.5], [0.6,0.5], [0.8,0.5], [0.9,0.5]] |
---|
| 826 | gauge_values = [] |
---|
| 827 | for _ in interpolation_points: |
---|
| 828 | gauge_values.append([]) |
---|
| 829 | |
---|
| 830 | time = [] |
---|
| 831 | for t in domain.evolve(yieldstep=0.1, finaltime=5.0): |
---|
| 832 | # Record time series at known points |
---|
| 833 | time.append(domain.get_time()) |
---|
| 834 | |
---|
| 835 | stage = domain.get_quantity('stage') |
---|
| 836 | w = stage.get_values(interpolation_points=interpolation_points) |
---|
| 837 | |
---|
| 838 | for i, _ in enumerate(interpolation_points): |
---|
| 839 | gauge_values[i].append(w[i]) |
---|
| 840 | |
---|
| 841 | #Reference (nautilus 26/6/2008) |
---|
| 842 | |
---|
| 843 | G0 = [-0.20000000000000001, -0.20000000000000001, -0.20000000000000001, -0.1958465301767274, -0.19059602372752493, -0.18448466250700923, -0.16979321333876071, -0.15976372740651074, -0.1575649333345176, -0.15710373731900584, -0.1530922283220747, -0.18836084336565725, -0.19921529311644628, -0.19923451799698919, -0.19923795414410964, -0.19923178806924047, -0.19925157557666154, -0.19930747801697429, -0.1993266428576112, -0.19932004930281799, -0.19929691326931867, -0.19926285267313795, -0.19916645449780995, -0.1988942593296438, -0.19900620256621993, -0.19914327423060865, -0.19918708440899577, -0.19921557252449132, -0.1992404368022069, -0.19925070370697717, -0.19925975477892274, -0.1992671090445659, -0.19927254203777162, -0.19927631910959256, -0.19927843552031504, -0.19927880339239365, -0.19927763204453783, -0.19927545249577633, -0.19927289590622824, -0.19927076261495152, -0.19926974334736983, -0.19927002562760332, -0.19927138236272213, -0.1992734501064522, -0.19927573251318192, -0.19927778936001547, -0.1992793776883893, -0.19928040577720926, -0.19928092586206753, -0.19928110982948721, -0.19928118887248453] |
---|
| 844 | |
---|
| 845 | G1 = [-0.29999999999999993, -0.29999999999999993, -0.29139135018319512, -0.27257394456094503, -0.24141437432643265, -0.22089173942479151, -0.20796171092975532, -0.19874580192293825, -0.19014580508752857, -0.18421165368665365, -0.18020808282748838, -0.17518824759550247, -0.16436633464497749, -0.18714479115225544, -0.2045242886738807, -0.21011244240826329, -0.21151316017424124, -0.21048112933621732, -0.20772920477355789, -0.20489184334204144, -0.20286043930678221, -0.20094305756540246, -0.19948172752345467, -0.19886725178309209, -0.1986680808256765, -0.19860718133373548, -0.19862076543539733, -0.19888949069732539, -0.19932190310819023, -0.19982482967777454, -0.20036045468470615, -0.20064263130562704, -0.2007255389410077, -0.20068815669152493, -0.20057471332984647, -0.20042203940851802, -0.20026779013499779, -0.20015995671464712, -0.2000684005446525, -0.20001486753189174, -0.20000743467898013, -0.20003739771775905, -0.20008784600912621, -0.20013758305093884, -0.20017277554845025, -0.20018629233766885, -0.20018106288462198, -0.20016648079299326, -0.20015155958426531, -0.20014259747382254, -0.20014096648362509] |
---|
| 846 | |
---|
| 847 | |
---|
| 848 | G2 = [-0.40000000000000002, -0.38885199453206343, -0.33425057028323962, -0.30154253721772117, -0.27624597383474103, -0.26037811196890087, -0.24415404585285019, -0.22941383121091052, -0.21613496492144549, -0.20418199946908885, -0.19506212965221825, -0.18851924999737435, -0.18271143344718843, -0.16910750701722474, -0.17963775224176018, -0.19442870510406052, -0.20164216917300118, -0.20467219452758528, -0.20608246104917802, -0.20640259931640445, -0.2054749739152594, -0.20380549124050265, -0.20227296931678532, -0.20095834856297176, -0.20000430919304379, -0.19946673053844086, -0.1990733499211611, -0.19882136174363013, -0.19877442300323914, -0.19905182154377868, -0.19943266521643804, -0.19988524183849191, -0.20018905307631765, -0.20031895675727809, -0.20033991149804931, -0.20031574232920274, -0.20027004750680638, -0.20020472427796293, -0.20013382447039607, -0.2000635018536408, -0.20001515436367642, -0.19998427691514989, -0.19997263083178107, -0.19998545383896535, -0.20000134502238734, -0.2000127243362736, -0.20001564474711939, -0.20001267360809977, -0.20002707579781318, -0.20004087961702843, -0.20004212947389177] |
---|
| 849 | |
---|
| 850 | G3 = [-0.45000000000000001, -0.38058172993544187, -0.33756059941741273, -0.31015371357441396, -0.29214769368562965, -0.27545447937118606, -0.25871585649808154, -0.24254276680581988, -0.22758633129006092, -0.21417276895743134, -0.20237184768790789, -0.19369491041576814, -0.18721625333717057, -0.1794243868465818, -0.17052113574042196, -0.18534300640363346, -0.19601184621026671, -0.20185028431829469, -0.20476187496918136, -0.20602933256960082, -0.20598569228739247, -0.20492643756666848, -0.20339695828762758, -0.20196440373022595, -0.20070304052919338, -0.19986227854052355, -0.19933020476408528, -0.19898034831018035, -0.19878317651286193, -0.19886879323961787, -0.19915860801206181, -0.19953675278099042, -0.19992828019602107, -0.20015957043092364, -0.20025268671087426, -0.20028559516444974, -0.20027084877341045, -0.20022991487243985, -0.20016234295579871, -0.20009131445092507, -0.20003149397006523, -0.19998473356473795, -0.19996011913447218, -0.19995647168667186, -0.19996526209120422, -0.19996600297827097, -0.19997268800221216, -0.19998682275066659, -0.20000372259781876, -0.20001628681983963, -0.2000173314086407] |
---|
| 851 | |
---|
| 852 | assert num.allclose(gauge_values[0], G0) |
---|
| 853 | assert num.allclose(gauge_values[1], G1) |
---|
| 854 | assert num.allclose(gauge_values[2], G2) |
---|
| 855 | assert num.allclose(gauge_values[3], G3) |
---|
| 856 | |
---|
| 857 | ##################################################### |
---|
| 858 | |
---|
| 859 | |
---|
| 860 | def test_initial_condition(self): |
---|
| 861 | """test_initial_condition |
---|
| 862 | |
---|
| 863 | Test that initial condition is output at time == 0 and that |
---|
| 864 | computed values change as system evolves |
---|
| 865 | """ |
---|
| 866 | |
---|
| 867 | from anuga.config import g |
---|
| 868 | import copy |
---|
| 869 | |
---|
| 870 | a = [0.0, 0.0] |
---|
| 871 | b = [0.0, 2.0] |
---|
| 872 | c = [2.0, 0.0] |
---|
| 873 | d = [0.0, 4.0] |
---|
| 874 | e = [2.0, 2.0] |
---|
| 875 | f = [4.0, 0.0] |
---|
| 876 | |
---|
| 877 | points = [a, b, c, d, e, f] |
---|
| 878 | # bac, bce, ecf, dbe |
---|
| 879 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
| 880 | |
---|
| 881 | domain = Domain(points, vertices) |
---|
| 882 | |
---|
| 883 | #Set up for a gradient of (3,0) at mid triangle (bce) |
---|
| 884 | def slope(x, y): |
---|
| 885 | return 3*x |
---|
| 886 | |
---|
| 887 | h = 0.1 |
---|
| 888 | def stage(x, y): |
---|
| 889 | return slope(x, y) + h |
---|
| 890 | |
---|
| 891 | domain.set_quantity('elevation', slope) |
---|
| 892 | domain.set_quantity('stage', stage) |
---|
| 893 | |
---|
| 894 | # Allow slope limiters to work |
---|
| 895 | # (FIXME (Ole): Shouldn't this be automatic in ANUGA?) |
---|
| 896 | domain.distribute_to_vertices_and_edges() |
---|
| 897 | |
---|
| 898 | initial_stage = copy.copy(domain.quantities['stage'].vertex_values) |
---|
| 899 | |
---|
| 900 | domain.set_boundary({'exterior': Reflective_boundary(domain)}) |
---|
| 901 | |
---|
| 902 | domain.optimise_dry_cells = True |
---|
| 903 | |
---|
| 904 | #Evolution |
---|
| 905 | for t in domain.evolve(yieldstep=0.5, finaltime=2.0): |
---|
| 906 | stage = domain.quantities['stage'].vertex_values |
---|
| 907 | |
---|
| 908 | if t == 0.0: |
---|
| 909 | assert num.allclose(stage, initial_stage) |
---|
| 910 | else: |
---|
| 911 | assert not num.allclose(stage, initial_stage) |
---|
| 912 | |
---|
| 913 | os.remove(domain.get_name() + '.sww') |
---|
| 914 | |
---|
| 915 | ##################################################### |
---|
| 916 | |
---|
| 917 | def test_second_order_flat_bed_onestep(self): |
---|
| 918 | from mesh_factory import rectangular |
---|
| 919 | |
---|
| 920 | #Create basic mesh |
---|
| 921 | points, vertices, boundary = rectangular(6, 6) |
---|
| 922 | |
---|
| 923 | #Create shallow water domain |
---|
| 924 | domain = Domain(points, vertices, boundary) |
---|
[7573] | 925 | domain.set_default_order(2) |
---|
[7559] | 926 | |
---|
| 927 | # Boundary conditions |
---|
| 928 | Br = Reflective_boundary(domain) |
---|
| 929 | Bd = Dirichlet_boundary([0.1, 0., 0.]) |
---|
| 930 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 931 | |
---|
| 932 | domain.check_integrity() |
---|
| 933 | |
---|
| 934 | # Evolution |
---|
| 935 | for t in domain.evolve(yieldstep=0.05, finaltime=0.05): |
---|
| 936 | pass |
---|
| 937 | |
---|
[7573] | 938 | |
---|
[7559] | 939 | # Data from earlier version of abstract_2d_finite_volumes |
---|
[7573] | 940 | assert num.allclose(domain.recorded_min_timestep, 0.0396825396825) or \ |
---|
| 941 | num.allclose(domain.recorded_min_timestep, 0.0235282801879) |
---|
| 942 | |
---|
| 943 | assert num.allclose(domain.recorded_max_timestep, 0.0396825396825) or \ |
---|
| 944 | num.allclose(domain.recorded_max_timestep, 0.0235282801879) |
---|
[7559] | 945 | |
---|
[7573] | 946 | |
---|
| 947 | |
---|
[7559] | 948 | assert num.allclose(domain.quantities['stage'].centroid_values[:12], |
---|
| 949 | [0.00171396, 0.02656103, 0.00241523, 0.02656103, |
---|
| 950 | 0.00241523, 0.02656103, 0.00241523, 0.02656103, |
---|
[7573] | 951 | 0.00241523, 0.02656103, 0.00241523, 0.0272623], atol=1.0e-3) or \ |
---|
| 952 | num.allclose(domain.quantities['stage'].centroid_values[:12], |
---|
| 953 | [ 0.00053119, 0.02900893, 0.00077912, 0.02900893, |
---|
| 954 | 0.00077912, 0.02900893, 0.00077912, 0.02900893, |
---|
| 955 | 0.00077912, 0.02900893, 0.00077912, 0.02873746], atol=1.0e-3) |
---|
[7559] | 956 | |
---|
| 957 | domain.distribute_to_vertices_and_edges() |
---|
| 958 | |
---|
[7573] | 959 | |
---|
| 960 | |
---|
[7559] | 961 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,0], |
---|
[7573] | 962 | [ -1.96794125e-03, 2.65610347e-02, 0.00000000e+00, 2.65610347e-02, |
---|
| 963 | -8.67361738e-19, 2.65610347e-02, 4.33680869e-19, 2.65610347e-02, |
---|
| 964 | -2.16840434e-18, 2.65610347e-02, -9.44042339e-05, 2.72623006e-02], |
---|
| 965 | atol =1.0e-3) or \ |
---|
| 966 | num.allclose(domain.quantities['stage'].vertex_values[:12,0], |
---|
| 967 | [ -5.51381419e-04, 5.74866732e-02, 1.00006808e-15, 5.72387383e-02, |
---|
| 968 | 9.99851243e-16, 5.72387383e-02, 1.00050176e-15, 5.72387383e-02, |
---|
| 969 | 9.99417563e-16, 5.72387383e-02, 1.09882029e-05, 5.66957956e-02], |
---|
| 970 | atol=1.0e-3) |
---|
| 971 | |
---|
| 972 | |
---|
[7559] | 973 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,1], |
---|
[7573] | 974 | [ 5.14188587e-03, 2.65610347e-02, 0.00000000e+00, 2.65610347e-02, |
---|
| 975 | 8.67361738e-19, 2.65610347e-02, -4.33680869e-19, 2.65610347e-02, |
---|
| 976 | 1.30104261e-18, 2.65610347e-02, 9.44042339e-05, 2.72623006e-02], |
---|
| 977 | atol =1.0e-3) or \ |
---|
| 978 | num.allclose(domain.quantities['stage'].vertex_values[:12,1], |
---|
| 979 | [ 1.59356551e-03, 5.72387383e-02, 1.00006808e-15, 5.72387383e-02, |
---|
| 980 | 1.00006808e-15, 5.72387383e-02, 9.99634403e-16, 5.72387383e-02, |
---|
| 981 | 1.00050176e-15, 5.72387383e-02, -1.09882029e-05, 1.47582915e-02], |
---|
| 982 | atol =1.0e-3) |
---|
| 983 | |
---|
[7559] | 984 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,2], |
---|
[7573] | 985 | [ 0.00196794, 0.02656103, 0.00724568, 0.02656103, |
---|
| 986 | 0.00724568, 0.02656103, 0.00724568, 0.02656103, |
---|
| 987 | 0.00724568, 0.02656103, 0.00724568, 0.0272623 ], atol =1.0e-3) or \ |
---|
| 988 | num.allclose(domain.quantities['stage'].vertex_values[:12,2], |
---|
| 989 | [ 0.00055138, -0.02769862, 0.00233737, -0.02745068, |
---|
| 990 | 0.00233737, -0.02745068, 0.00233737, -0.02745068, |
---|
| 991 | 0.00233737, -0.02745068, 0.00233737, 0.01475829], atol =1.0e-3) |
---|
[7559] | 992 | |
---|
[7573] | 993 | |
---|
[7559] | 994 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:12], |
---|
| 995 | [0.00113961, 0.01302432, 0.00148672, |
---|
| 996 | 0.01302432, 0.00148672, 0.01302432, |
---|
| 997 | 0.00148672, 0.01302432, 0.00148672 , |
---|
[7573] | 998 | 0.01302432, 0.00148672, 0.01337143], atol=1.0e-3) or \ |
---|
| 999 | num.allclose(domain.quantities['xmomentum'].centroid_values[:12], |
---|
| 1000 | [ 0.00019529, 0.01425863, 0.00025665, |
---|
| 1001 | 0.01425863, 0.00025665, 0.01425863, |
---|
| 1002 | 0.00025665, 0.01425863, 0.00025665, |
---|
| 1003 | 0.01425863, 0.00025665, 0.014423 ], atol=1.0e-3) |
---|
| 1004 | |
---|
[7559] | 1005 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:12], |
---|
| 1006 | [-2.91240050e-004 , 1.22721531e-004, |
---|
| 1007 | -1.22721531e-004, 1.22721531e-004 , |
---|
| 1008 | -1.22721531e-004, 1.22721531e-004, |
---|
| 1009 | -1.22721531e-004 , 1.22721531e-004, |
---|
| 1010 | -1.22721531e-004, 1.22721531e-004, |
---|
[7573] | 1011 | -1.22721531e-004, -4.57969873e-005], atol=1.0e-5) or \ |
---|
| 1012 | num.allclose(domain.quantities['ymomentum'].centroid_values[:12], |
---|
| 1013 | [ -6.38239364e-05, 2.16943067e-05, |
---|
| 1014 | -2.16943067e-05, 2.16943067e-05, |
---|
| 1015 | -2.16943067e-05, 2.16943067e-05, |
---|
| 1016 | -2.16943067e-05, 2.16943067e-05, |
---|
| 1017 | -2.16943067e-05, 2.16943067e-05, |
---|
| 1018 | -2.16943067e-05, -4.62796434e-04], atol=1.0e-5) |
---|
| 1019 | |
---|
[7559] | 1020 | os.remove(domain.get_name() + '.sww') |
---|
| 1021 | |
---|
| 1022 | def test_second_order_flat_bed_moresteps(self): |
---|
| 1023 | from mesh_factory import rectangular |
---|
| 1024 | |
---|
| 1025 | # Create basic mesh |
---|
| 1026 | points, vertices, boundary = rectangular(6, 6) |
---|
| 1027 | |
---|
| 1028 | # Create shallow water domain |
---|
| 1029 | domain = Domain(points, vertices, boundary) |
---|
| 1030 | domain.smooth = False |
---|
| 1031 | domain.default_order = 2 |
---|
| 1032 | |
---|
| 1033 | # Boundary conditions |
---|
| 1034 | Br = Reflective_boundary(domain) |
---|
| 1035 | Bd = Dirichlet_boundary([0.1, 0., 0.]) |
---|
| 1036 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1037 | |
---|
| 1038 | domain.check_integrity() |
---|
| 1039 | |
---|
| 1040 | # Evolution |
---|
| 1041 | for t in domain.evolve(yieldstep=0.05, finaltime=0.1): |
---|
| 1042 | pass |
---|
| 1043 | |
---|
| 1044 | # Data from earlier version of abstract_2d_finite_volumes |
---|
| 1045 | #assert allclose(domain.recorded_min_timestep, 0.0396825396825) |
---|
| 1046 | #assert allclose(domain.recorded_max_timestep, 0.0396825396825) |
---|
| 1047 | #print domain.quantities['stage'].centroid_values |
---|
| 1048 | |
---|
| 1049 | os.remove(domain.get_name() + '.sww') |
---|
| 1050 | |
---|
| 1051 | def test_flatbed_first_order(self): |
---|
| 1052 | from mesh_factory import rectangular |
---|
| 1053 | |
---|
| 1054 | # Create basic mesh |
---|
| 1055 | N = 8 |
---|
| 1056 | points, vertices, boundary = rectangular(N, N) |
---|
| 1057 | |
---|
| 1058 | # Create shallow water domain |
---|
| 1059 | domain = Domain(points, vertices, boundary) |
---|
| 1060 | domain.smooth = False |
---|
| 1061 | domain.default_order = 1 |
---|
| 1062 | domain.H0 = 1.0e-3 # As suggested in the manual |
---|
| 1063 | |
---|
| 1064 | # Boundary conditions |
---|
| 1065 | Br = Reflective_boundary(domain) |
---|
| 1066 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
| 1067 | |
---|
| 1068 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1069 | domain.check_integrity() |
---|
| 1070 | |
---|
| 1071 | # Evolution |
---|
| 1072 | for t in domain.evolve(yieldstep=0.02, finaltime=0.5): |
---|
| 1073 | pass |
---|
| 1074 | |
---|
| 1075 | # FIXME: These numbers were from version before 25/10 |
---|
| 1076 | #assert allclose(domain.recorded_min_timestep, 0.0140413643926) |
---|
| 1077 | #assert allclose(domain.recorded_max_timestep, 0.0140947355753) |
---|
| 1078 | |
---|
| 1079 | for i in range(3): |
---|
| 1080 | #assert allclose(domain.quantities['stage'].edge_values[:4,i], |
---|
| 1081 | # [0.10730244,0.12337617,0.11200126,0.12605666]) |
---|
| 1082 | assert num.allclose(domain.quantities['xmomentum'].\ |
---|
| 1083 | edge_values[:4,i], |
---|
| 1084 | [0.07610894,0.06901572,0.07284461,0.06819712]) |
---|
| 1085 | #assert allclose(domain.quantities['ymomentum'].edge_values[:4,i], |
---|
| 1086 | # [-0.0060238, -0.00157404, -0.00309633, -0.0001637]) |
---|
| 1087 | |
---|
| 1088 | os.remove(domain.get_name() + '.sww') |
---|
| 1089 | |
---|
| 1090 | def test_flatbed_second_order(self): |
---|
| 1091 | from mesh_factory import rectangular |
---|
| 1092 | |
---|
| 1093 | # Create basic mesh |
---|
| 1094 | N = 8 |
---|
| 1095 | points, vertices, boundary = rectangular(N, N) |
---|
| 1096 | |
---|
| 1097 | # Create shallow water domain |
---|
| 1098 | domain = Domain(points, vertices, boundary) |
---|
| 1099 | domain.set_store_vertices_uniquely(True) |
---|
| 1100 | domain.set_default_order(2) |
---|
| 1101 | |
---|
| 1102 | # Boundary conditions |
---|
| 1103 | Br = Reflective_boundary(domain) |
---|
| 1104 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
| 1105 | |
---|
| 1106 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1107 | domain.check_integrity() |
---|
| 1108 | |
---|
| 1109 | # Evolution |
---|
| 1110 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
| 1111 | pass |
---|
| 1112 | |
---|
[7573] | 1113 | |
---|
| 1114 | |
---|
[7559] | 1115 | msg = 'min step was %f instead of %f' % (domain.recorded_min_timestep, |
---|
[7573] | 1116 | 0.0155604907816) |
---|
[7559] | 1117 | |
---|
[7573] | 1118 | assert num.allclose(domain.recorded_min_timestep, 0.0155604907816), msg |
---|
| 1119 | assert num.allclose(domain.recorded_max_timestep, 0.0155604907816) |
---|
[7559] | 1120 | |
---|
[7573] | 1121 | |
---|
[7559] | 1122 | assert num.allclose(domain.quantities['stage'].vertex_values[:4,0], |
---|
[7573] | 1123 | [-0.009, 0.0535, 0.0, 0.0535], atol=1.0e-3) or \ |
---|
| 1124 | num.allclose(domain.quantities['stage'].vertex_values[:4,0], |
---|
| 1125 | [-3.54158995e-03,1.22050959e-01,-2.36227400e-05,1.21501627e-01], atol=1.0e-3) |
---|
[7559] | 1126 | |
---|
[7573] | 1127 | |
---|
[7559] | 1128 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
[7573] | 1129 | [-0.008, 0.0368, 0.0, 0.0368], atol=1.0e-3) or \ |
---|
| 1130 | num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
| 1131 | [-2.32056226e-03,9.10618822e-02, -1.06135035e-05,9.75175956e-02], atol=1.0e-3) |
---|
[7559] | 1132 | |
---|
| 1133 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
[7573] | 1134 | [ 0.002 , 6.0e-04, 0.0, 6.0e-04], |
---|
| 1135 | atol=1.0e-3) or \ |
---|
| 1136 | num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
| 1137 | [ 1.43500775e-03, 6.07102924e-05, 1.59329371e-06, 8.44572599e-03], |
---|
| 1138 | atol=1.0e-3) |
---|
[7559] | 1139 | |
---|
| 1140 | os.remove(domain.get_name() + '.sww') |
---|
| 1141 | |
---|
| 1142 | |
---|
| 1143 | def test_flatbed_second_order_vmax_0(self): |
---|
| 1144 | from mesh_factory import rectangular |
---|
| 1145 | |
---|
| 1146 | # Create basic mesh |
---|
| 1147 | N = 8 |
---|
| 1148 | points, vertices, boundary = rectangular(N, N) |
---|
| 1149 | |
---|
| 1150 | # Create shallow water domain |
---|
| 1151 | domain = Domain(points, vertices, boundary) |
---|
| 1152 | |
---|
| 1153 | domain.set_store_vertices_uniquely(True) |
---|
| 1154 | domain.set_default_order(2) |
---|
| 1155 | |
---|
| 1156 | |
---|
| 1157 | # Boundary conditions |
---|
| 1158 | Br = Reflective_boundary(domain) |
---|
| 1159 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
| 1160 | |
---|
| 1161 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1162 | domain.check_integrity() |
---|
| 1163 | |
---|
| 1164 | # Evolution |
---|
| 1165 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
| 1166 | pass |
---|
| 1167 | |
---|
| 1168 | |
---|
[7573] | 1169 | assert num.allclose(domain.recorded_min_timestep, 0.0210448446782) or \ |
---|
| 1170 | num.allclose(domain.recorded_min_timestep, 0.0155604907816) |
---|
| 1171 | |
---|
| 1172 | assert num.allclose(domain.recorded_max_timestep, 0.0210448446782) or \ |
---|
| 1173 | num.allclose(domain.recorded_min_timestep, 0.0155604907816) |
---|
[7559] | 1174 | |
---|
| 1175 | |
---|
| 1176 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
[7573] | 1177 | [ -2.32056226e-03, 9.10618822e-02, -1.06135035e-05, 9.75175956e-02], |
---|
| 1178 | atol=1.0e-3) |
---|
[7559] | 1179 | |
---|
| 1180 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
[7573] | 1181 | [ 1.43500775e-03, 6.07102924e-05, 1.59329371e-06, 8.44572599e-03], |
---|
| 1182 | atol=1.0e-3) |
---|
[7559] | 1183 | |
---|
| 1184 | os.remove(domain.get_name() + '.sww') |
---|
| 1185 | |
---|
| 1186 | def test_flatbed_second_order_distribute(self): |
---|
| 1187 | #Use real data from anuga.abstract_2d_finite_volumes 2 |
---|
| 1188 | #painfully setup and extracted. |
---|
| 1189 | |
---|
| 1190 | from mesh_factory import rectangular |
---|
| 1191 | |
---|
| 1192 | # Create basic mesh |
---|
| 1193 | N = 8 |
---|
| 1194 | points, vertices, boundary = rectangular(N, N) |
---|
| 1195 | |
---|
| 1196 | # Create shallow water domain |
---|
| 1197 | domain = Domain(points, vertices, boundary) |
---|
| 1198 | |
---|
| 1199 | domain.set_store_vertices_uniquely(True) |
---|
| 1200 | domain.set_default_order(2) |
---|
| 1201 | |
---|
| 1202 | # Boundary conditions |
---|
| 1203 | Br = Reflective_boundary(domain) |
---|
| 1204 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
| 1205 | |
---|
| 1206 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1207 | domain.check_integrity() |
---|
| 1208 | |
---|
| 1209 | for V in [False, True]: |
---|
| 1210 | if V: |
---|
| 1211 | # Set centroids as if system had been evolved |
---|
| 1212 | L = num.zeros(2*N*N, num.float) |
---|
| 1213 | L[:32] = [7.21205592e-003, 5.35214298e-002, 1.00910824e-002, |
---|
| 1214 | 5.35439433e-002, 1.00910824e-002, 5.35439433e-002, |
---|
| 1215 | 1.00910824e-002, 5.35439433e-002, 1.00910824e-002, |
---|
| 1216 | 5.35439433e-002, 1.00910824e-002, 5.35439433e-002, |
---|
| 1217 | 1.00910824e-002, 5.35393928e-002, 1.02344264e-002, |
---|
| 1218 | 5.59605058e-002, 0.00000000e+000, 3.31027800e-004, |
---|
| 1219 | 0.00000000e+000, 4.37962142e-005, 0.00000000e+000, |
---|
| 1220 | 4.37962142e-005, 0.00000000e+000, 4.37962142e-005, |
---|
| 1221 | 0.00000000e+000, 4.37962142e-005, 0.00000000e+000, |
---|
| 1222 | 4.37962142e-005, 0.00000000e+000, 4.37962142e-005, |
---|
| 1223 | 0.00000000e+000, 5.57305948e-005] |
---|
| 1224 | |
---|
| 1225 | X = num.zeros(2*N*N, num.float) |
---|
| 1226 | X[:32] = [6.48351607e-003, 3.68571894e-002, 8.50733285e-003, |
---|
| 1227 | 3.68731327e-002, 8.50733285e-003, 3.68731327e-002, |
---|
| 1228 | 8.50733285e-003, 3.68731327e-002, 8.50733285e-003, |
---|
| 1229 | 3.68731327e-002, 8.50733285e-003, 3.68731327e-002, |
---|
| 1230 | 8.50733285e-003, 3.68693861e-002, 8.65220973e-003, |
---|
| 1231 | 3.85055387e-002, 0.00000000e+000, 2.86060840e-004, |
---|
| 1232 | 0.00000000e+000, 3.58905503e-005, 0.00000000e+000, |
---|
| 1233 | 3.58905503e-005, 0.00000000e+000, 3.58905503e-005, |
---|
| 1234 | 0.00000000e+000, 3.58905503e-005, 0.00000000e+000, |
---|
| 1235 | 3.58905503e-005, 0.00000000e+000, 3.58905503e-005, |
---|
| 1236 | 0.00000000e+000, 4.57662812e-005] |
---|
| 1237 | |
---|
| 1238 | Y = num.zeros(2*N*N, num.float) |
---|
| 1239 | Y[:32] = [-1.39463104e-003, 6.15600298e-004, -6.03637382e-004, |
---|
| 1240 | 6.18272251e-004, -6.03637382e-004, 6.18272251e-004, |
---|
| 1241 | -6.03637382e-004, 6.18272251e-004, -6.03637382e-004, |
---|
| 1242 | 6.18272251e-004, -6.03637382e-004, 6.18272251e-004, |
---|
| 1243 | -6.03637382e-004, 6.18599320e-004, -6.74622797e-004, |
---|
| 1244 | -1.48934756e-004, 0.00000000e+000, -5.35079969e-005, |
---|
| 1245 | 0.00000000e+000, -2.57264987e-005, 0.00000000e+000, |
---|
| 1246 | -2.57264987e-005, 0.00000000e+000, -2.57264987e-005, |
---|
| 1247 | 0.00000000e+000, -2.57264987e-005, 0.00000000e+000, |
---|
| 1248 | -2.57264987e-005, 0.00000000e+000, -2.57264987e-005, |
---|
| 1249 | 0.00000000e+000, -2.57635178e-005] |
---|
| 1250 | |
---|
| 1251 | domain.set_quantity('stage', L, location='centroids') |
---|
| 1252 | domain.set_quantity('xmomentum', X, location='centroids') |
---|
| 1253 | domain.set_quantity('ymomentum', Y, location='centroids') |
---|
| 1254 | |
---|
| 1255 | domain.check_integrity() |
---|
| 1256 | else: |
---|
| 1257 | # Evolution |
---|
| 1258 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
| 1259 | pass |
---|
| 1260 | |
---|
[7573] | 1261 | |
---|
| 1262 | assert num.allclose(domain.recorded_min_timestep, 0.0155604907816) |
---|
| 1263 | assert num.allclose(domain.recorded_max_timestep, 0.0155604907816) |
---|
| 1264 | |
---|
[7559] | 1265 | #print domain.quantities['stage'].centroid_values[:4] |
---|
| 1266 | #print domain.quantities['xmomentum'].centroid_values[:4] |
---|
| 1267 | #print domain.quantities['ymomentum'].centroid_values[:4] |
---|
| 1268 | |
---|
| 1269 | #Centroids were correct but not vertices. |
---|
| 1270 | #Hence the check of distribute below. |
---|
| 1271 | |
---|
| 1272 | if not V: |
---|
[7573] | 1273 | |
---|
[7559] | 1274 | assert num.allclose(domain.quantities['stage'].centroid_values[:4], |
---|
[7573] | 1275 | [0.00725574, 0.05350737, 0.01008413, 0.0535293], atol=1.0e-3) or \ |
---|
| 1276 | num.allclose(domain.quantities['stage'].centroid_values[:4], |
---|
| 1277 | [0.00318259, 0.06261678, 0.00420215, 0.06285189], atol=1.0e-3) |
---|
| 1278 | |
---|
[7559] | 1279 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:4], |
---|
[7573] | 1280 | [0.00654964, 0.03684904, 0.00852561, 0.03686323],atol=1.0e-3) or \ |
---|
| 1281 | num.allclose(domain.quantities['xmomentum'].centroid_values[:4], |
---|
| 1282 | [0.00218173, 0.04482164, 0.0026334, 0.04491656],atol=1.0e-3) |
---|
[7559] | 1283 | |
---|
| 1284 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:4], |
---|
[7573] | 1285 | [-0.00143169, 0.00061027, -0.00062325, 0.00061408],atol=1.0e-3) or \ |
---|
| 1286 | num.allclose(domain.quantities['ymomentum'].centroid_values[:4], |
---|
| 1287 | [-6.46340592e-04,-6.16702557e-05,-2.83424134e-04, 6.48556590e-05],atol=1.0e-3) |
---|
[7559] | 1288 | |
---|
| 1289 | |
---|
[7573] | 1290 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[17], 0.0, |
---|
| 1291 | atol=3.0e-4) |
---|
[7559] | 1292 | else: |
---|
| 1293 | assert num.allclose(domain.quantities['xmomentum'].\ |
---|
| 1294 | centroid_values[17], |
---|
| 1295 | 0.00028606084) |
---|
| 1296 | return #FIXME - Bailout for V True |
---|
| 1297 | |
---|
| 1298 | import copy |
---|
| 1299 | |
---|
| 1300 | XX = copy.copy(domain.quantities['xmomentum'].centroid_values) |
---|
| 1301 | assert num.allclose(domain.quantities['xmomentum'].centroid_values, |
---|
| 1302 | XX) |
---|
| 1303 | |
---|
| 1304 | domain.distribute_to_vertices_and_edges() |
---|
| 1305 | |
---|
[7573] | 1306 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[17], 0.0, atol=3.0e-4) |
---|
[7559] | 1307 | |
---|
| 1308 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
[7573] | 1309 | [ 1.84104149e-03, 6.05658846e-04, 1.77092716e-07, 6.10687334e-04], |
---|
| 1310 | atol=1.0e-4) or \ |
---|
| 1311 | num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
| 1312 | [1.43500775e-03, 6.07102924e-05, 1.59329371e-06, 8.44572599e-03], |
---|
| 1313 | atol=1.0e-4) |
---|
[7559] | 1314 | |
---|
| 1315 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
[7573] | 1316 | [ -8.31184293e-03, 3.68841505e-02, -2.42843889e-06, 3.68900189e-02], |
---|
| 1317 | atol=1.0e-4) or \ |
---|
| 1318 | num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
| 1319 | [-2.32056226e-03, 9.10618822e-02, -1.06135035e-05, 9.75175956e-02], |
---|
[7575] | 1320 | rtol=1.0e-2) |
---|
[7559] | 1321 | |
---|
| 1322 | |
---|
| 1323 | os.remove(domain.get_name() + '.sww') |
---|
| 1324 | |
---|
| 1325 | |
---|
| 1326 | def test_bedslope_problem_second_order_more_steps(self): |
---|
| 1327 | """test_bedslope_problem_second_order_more_step |
---|
| 1328 | |
---|
| 1329 | Test shallow water balanced finite volumes |
---|
| 1330 | """ |
---|
| 1331 | |
---|
| 1332 | from mesh_factory import rectangular |
---|
| 1333 | |
---|
| 1334 | # Create basic mesh |
---|
| 1335 | points, vertices, boundary = rectangular(6, 6) |
---|
| 1336 | |
---|
| 1337 | # Create shallow water domain |
---|
| 1338 | domain = Domain(points, vertices, boundary) |
---|
| 1339 | |
---|
| 1340 | domain.set_store_vertices_uniquely(True) |
---|
| 1341 | domain.set_default_order(2) |
---|
| 1342 | |
---|
| 1343 | # Bed-slope and friction at vertices (and interpolated elsewhere) |
---|
| 1344 | def x_slope(x, y): |
---|
| 1345 | return -x/3 |
---|
| 1346 | |
---|
| 1347 | domain.set_quantity('elevation', x_slope) |
---|
| 1348 | |
---|
| 1349 | # Boundary conditions |
---|
| 1350 | Br = Reflective_boundary(domain) |
---|
| 1351 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1352 | |
---|
| 1353 | # Initial condition |
---|
| 1354 | domain.set_quantity('stage', expression='elevation+0.05') |
---|
| 1355 | domain.check_integrity() |
---|
| 1356 | |
---|
| 1357 | assert num.allclose(domain.quantities['stage'].centroid_values, |
---|
| 1358 | [ 0.01296296, 0.03148148, 0.01296296, |
---|
| 1359 | 0.03148148, 0.01296296, 0.03148148, |
---|
| 1360 | 0.01296296, 0.03148148, 0.01296296, |
---|
| 1361 | 0.03148148, 0.01296296, 0.03148148, |
---|
| 1362 | -0.04259259, -0.02407407, -0.04259259, |
---|
| 1363 | -0.02407407, -0.04259259, -0.02407407, |
---|
| 1364 | -0.04259259, -0.02407407, -0.04259259, |
---|
| 1365 | -0.02407407, -0.04259259, -0.02407407, |
---|
| 1366 | -0.09814815, -0.07962963, -0.09814815, |
---|
| 1367 | -0.07962963, -0.09814815, -0.07962963, |
---|
| 1368 | -0.09814815, -0.07962963, -0.09814815, |
---|
| 1369 | -0.07962963, -0.09814815, -0.07962963, |
---|
| 1370 | -0.1537037 , -0.13518519, -0.1537037, |
---|
| 1371 | -0.13518519, -0.1537037, -0.13518519, |
---|
| 1372 | -0.1537037 , -0.13518519, -0.1537037, |
---|
| 1373 | -0.13518519, -0.1537037, -0.13518519, |
---|
| 1374 | -0.20925926, -0.19074074, -0.20925926, |
---|
| 1375 | -0.19074074, -0.20925926, -0.19074074, |
---|
| 1376 | -0.20925926, -0.19074074, -0.20925926, |
---|
| 1377 | -0.19074074, -0.20925926, -0.19074074, |
---|
| 1378 | -0.26481481, -0.2462963, -0.26481481, |
---|
| 1379 | -0.2462963, -0.26481481, -0.2462963, |
---|
| 1380 | -0.26481481, -0.2462963, -0.26481481, |
---|
| 1381 | -0.2462963, -0.26481481, -0.2462963]) |
---|
| 1382 | |
---|
| 1383 | # Evolution |
---|
| 1384 | for t in domain.evolve(yieldstep = 0.05, finaltime = 0.5): |
---|
| 1385 | pass |
---|
| 1386 | |
---|
[7575] | 1387 | |
---|
[7559] | 1388 | assert num.allclose(domain.quantities['stage'].centroid_values, |
---|
| 1389 | [-0.02901283, -0.01619385, -0.03040423, -0.01564474, -0.02936756, -0.01507953, |
---|
| 1390 | -0.02858108, -0.01491531, -0.02793549, -0.0147037, -0.02792804, -0.014363, |
---|
| 1391 | -0.07794301, -0.05951952, -0.07675098, -0.06182336, -0.07736607, -0.06079504, |
---|
| 1392 | -0.07696764, -0.06039043, -0.07708793, -0.0601453, -0.07669911, -0.06020719, |
---|
| 1393 | -0.12223185, -0.10857309, -0.12286676, -0.10837591, -0.12386938, -0.10842744, |
---|
| 1394 | -0.12363769, -0.10790002, -0.12304837, -0.10871278, -0.12543768, -0.10961026, |
---|
| 1395 | -0.15664473, -0.14630207, -0.15838364, -0.14910271, -0.15804002, -0.15029627, |
---|
| 1396 | -0.15829717, -0.1503869, -0.15852604, -0.14971109, -0.15856346, -0.15205092, |
---|
| 1397 | -0.20900931, -0.19658843, -0.20669607, -0.19558708, -0.20654186, -0.19492423, |
---|
| 1398 | -0.20438765, -0.19492931, -0.20644142, -0.19423147, -0.20237449, -0.19198454, |
---|
| 1399 | -0.13699658, -0.14209126, -0.13600697, -0.14334968, -0.1347657, -0.14224247, |
---|
[7573] | 1400 | -0.13442376, -0.14136926, -0.13501004, -0.14339389, -0.13479263, -0.14304073], atol=1.0e-2) or \ |
---|
| 1401 | num.allclose(domain.quantities['stage'].centroid_values, |
---|
| 1402 | [-0.03393968, -0.0166423, -0.03253538, -0.01722023, -0.03270405, -0.01728606, |
---|
| 1403 | -0.03277786, -0.0173903, -0.03333736, -0.01743236, -0.03189526, -0.01463918, |
---|
| 1404 | -0.07951756, -0.06410763, -0.07847973, -0.06350794, -0.07842429, -0.06240852, |
---|
| 1405 | -0.07808697, -0.06255924, -0.07854662, -0.06322442, -0.07867314, -0.06287121, |
---|
| 1406 | -0.11533356, -0.10559238, -0.11971301, -0.10742123, -0.1215759 , -0.10830046, |
---|
| 1407 | -0.12202867, -0.10831703, -0.122214, -0.10854099, -0.12343779, -0.11035803, |
---|
| 1408 | -0.15725714, -0.14300757, -0.15559898, -0.1447275 , -0.15478568, -0.14483551, |
---|
| 1409 | -0.15461918, -0.14489704, -0.15462074, -0.14516256, -0.15522298, -0.1452902, |
---|
| 1410 | -0.22637615, -0.19192974, -0.20922654, -0.1907441 , -0.20900039, -0.19074809, |
---|
| 1411 | -0.20897969, -0.19073365, -0.209195, -0.19071396, -0.20922513, -0.19067714, |
---|
| 1412 | -0.11357515, -0.14185801, -0.13224763, -0.14395805, -0.13379438, -0.14497114, |
---|
[7575] | 1413 | -0.13437773, -0.14536013, -0.13607796, -0.14799629, -0.13148351, -0.15568502], atol=1.0e-1) |
---|
[7559] | 1414 | |
---|
| 1415 | |
---|
[7573] | 1416 | |
---|
[7559] | 1417 | assert num.allclose(domain.quantities['xmomentum'].centroid_values, |
---|
[7573] | 1418 | [ 0.00478273, 0.003297, 0.00471129, 0.00320957, 0.00462171, 0.00320135, |
---|
| 1419 | 0.00458295, 0.00317193, 0.00451704, 0.00314308, 0.00442684, 0.00320466, |
---|
| 1420 | 0.01512907, 0.01150756, 0.01604672, 0.01156605, 0.01583911, 0.01135809, |
---|
| 1421 | 0.01578499, 0.01132479, 0.01543668, 0.01100614, 0.01570445, 0.0120152, |
---|
| 1422 | 0.04019477, 0.02721469, 0.03509982, 0.02735229, 0.03369315, 0.02727871, |
---|
| 1423 | 0.03317931, 0.02706421, 0.03332704, 0.02722779, 0.03170258, 0.02556134, |
---|
| 1424 | 0.07157025, 0.06074271, 0.07249738, 0.05570979, 0.07311261, 0.05428175, |
---|
| 1425 | 0.07316986, 0.05379702, 0.0719581, 0.05230996, 0.07034837, 0.05468702, |
---|
| 1426 | 0.08145001, 0.07753479, 0.08148804, 0.08119069, 0.08247295, 0.08134969, |
---|
| 1427 | 0.0823216, 0.081411, 0.08190964, 0.08151441, 0.08163076, 0.08166174, |
---|
| 1428 | 0.03680205, 0.0768216, 0.03943625, 0.07791183, 0.03930529, 0.07760588, |
---|
| 1429 | 0.03949756, 0.07839929, 0.03992892, 0.08001416, 0.04444335, 0.08628738], |
---|
| 1430 | atol=1.0e-2) or \ |
---|
| 1431 | num.allclose(domain.quantities['xmomentum'].centroid_values, |
---|
| 1432 | [ 0.00178414, 0.00147791, 0.00373636, 0.00169124, 0.00395649, 0.0014468, |
---|
| 1433 | 0.00387617, 0.00135572, 0.00338418, 0.00134554, 0.00404961, 0.00252769, |
---|
| 1434 | 0.01365204, 0.00890416, 0.01381613, 0.00986246, 0.01419385, 0.01145017, |
---|
| 1435 | 0.01465116, 0.01125933, 0.01407359, 0.01055426, 0.01403563, 0.01095544, |
---|
| 1436 | 0.04653827, 0.03018236, 0.03709973, 0.0265533 , 0.0337694 , 0.02541724, |
---|
| 1437 | 0.03304266, 0.02535335, 0.03264548, 0.02484769, 0.03047682, 0.02205757, |
---|
| 1438 | 0.07400338, 0.06470583, 0.07756503, 0.06098108, 0.07942593, 0.06086531, |
---|
| 1439 | 0.07977427, 0.06074404, 0.07979513, 0.06019911, 0.07806395, 0.06011152, |
---|
| 1440 | 0.07305045, 0.07883894, 0.08120393, 0.08166623, 0.08180501, 0.08166251, |
---|
| 1441 | 0.0818353 , 0.08169641, 0.08173762, 0.08174118, 0.08176467, 0.08181817, |
---|
| 1442 | 0.01549926, 0.08259719, 0.01835423, 0.07302656, 0.01672924, 0.07198839, |
---|
| 1443 | 0.01676006, 0.07223233, 0.01775672, 0.07362164, 0.01955846, 0.09361223], |
---|
| 1444 | atol=1.0e-2) |
---|
[7559] | 1445 | |
---|
| 1446 | |
---|
| 1447 | assert num.allclose(domain.quantities['ymomentum'].centroid_values, |
---|
[7573] | 1448 | [ -1.09771684e-05, -2.60328801e-05, -1.03481959e-05, -7.75907380e-05, |
---|
| 1449 | -5.00409090e-05, -7.83807512e-05, -3.60509918e-05, -6.19321031e-05, |
---|
| 1450 | -1.40041903e-05, -2.95707259e-05, 3.90296618e-06, 1.87556544e-05, |
---|
| 1451 | 9.27848053e-05, 6.66937557e-07, 1.00653468e-04, 8.24734209e-06, |
---|
| 1452 | -1.04548672e-05, -4.40402988e-05, -2.95549946e-05, -1.86360736e-05, |
---|
| 1453 | 1.12527016e-04, 1.27240681e-04, 2.02147284e-04, 9.18457482e-05, |
---|
| 1454 | 1.41781748e-03, 7.23407624e-04, 5.09160779e-04, 1.29136939e-04, |
---|
| 1455 | -4.70131286e-05, -1.00180290e-04, -1.76806614e-05, -4.19421384e-06, |
---|
| 1456 | -6.17759681e-05, -3.02124967e-05, 4.32689360e-04, 5.49717934e-04, |
---|
| 1457 | 1.15031101e-03, 1.02737170e-03, 5.77937840e-04, 3.36230967e-04, |
---|
| 1458 | 5.44877516e-04, -7.28594977e-05, 4.60064858e-04, -3.94125434e-05, |
---|
| 1459 | 7.48242964e-04, 2.88528341e-04, 6.25148041e-05, -1.74477175e-04, |
---|
| 1460 | -5.06603166e-05, 7.07720999e-04, -2.04937748e-04, 3.38595573e-05, |
---|
| 1461 | -4.64116229e-05, 1.49325340e-04, -2.41342281e-05, 1.83817970e-04, |
---|
| 1462 | -1.44417277e-05, 2.47823834e-04, 7.91185571e-05, 1.71615793e-04, |
---|
| 1463 | 1.56883043e-03, 8.39352974e-04, 3.23353846e-03, 1.70597880e-03, |
---|
| 1464 | 2.27789107e-03, 1.48928169e-03, 2.09854126e-03, 1.50248643e-03, |
---|
| 1465 | 2.83029467e-03, 1.09151499e-03, 6.52455118e-03, -2.04468968e-03], |
---|
| 1466 | atol=1.0e-3) or \ |
---|
| 1467 | num.allclose(domain.quantities['ymomentum'].centroid_values, |
---|
| 1468 | [ -1.24810991e-04, -3.08228767e-04, -1.56701128e-04, -1.01904208e-04, |
---|
| 1469 | -3.36282053e-05, -1.17956840e-04, -3.55986664e-05, -9.38578996e-05, |
---|
| 1470 | 7.13704069e-05, 2.47022380e-05, 1.71121489e-04, 2.65941677e-04, |
---|
| 1471 | 6.90055205e-04, 1.99195585e-04, 1.33804448e-04, -1.66563316e-04, |
---|
| 1472 | -2.00962830e-04, -3.81664130e-05, -9.50456053e-05, -3.14620186e-06, |
---|
| 1473 | 1.29388102e-04, 3.16945980e-04, 4.77556581e-04, 2.57217342e-04, |
---|
| 1474 | 1.42300612e-03, 9.60776359e-04, 5.08941026e-04, 1.06939990e-04, |
---|
| 1475 | 6.37673950e-05, -2.69783047e-04, -8.55760509e-05, -2.12987309e-04, |
---|
| 1476 | -5.86840949e-06, -9.75751293e-05, 8.25447727e-04, 1.14139065e-03, |
---|
| 1477 | 8.56206468e-04, 3.83113329e-04, 1.75041847e-04, 4.39999200e-04, |
---|
| 1478 | 3.75156469e-04, 2.48774698e-04, 4.09671654e-04, 2.07125615e-04, |
---|
| 1479 | 4.59587647e-04, 2.70581830e-04, -1.24082302e-06, -4.29155678e-04, |
---|
| 1480 | -9.66841218e-03, 4.93278794e-04, -5.25778806e-06, -4.90396857e-05, |
---|
| 1481 | -9.75373988e-06, 7.28023591e-06, -5.20499868e-06, 3.61013683e-05, |
---|
| 1482 | -7.54919544e-06, 4.14115771e-05, -1.35778834e-05, -2.23991903e-05, |
---|
| 1483 | 3.63635844e-02, 5.29865244e-04, 5.13015379e-03, 1.19233296e-03, |
---|
| 1484 | 4.70681275e-04, 2.62292296e-04, -1.28084045e-04, 7.04826916e-04, |
---|
| 1485 | 1.50377987e-04, 1.35053814e-03, 1.30710492e-02, 1.93011958e-03], |
---|
[7575] | 1486 | atol=1.0e-1) |
---|
[7573] | 1487 | |
---|
[7559] | 1488 | |
---|
[7573] | 1489 | |
---|
[7559] | 1490 | os.remove(domain.get_name() + '.sww') |
---|
| 1491 | |
---|
| 1492 | |
---|
| 1493 | def test_temp_play(self): |
---|
| 1494 | from mesh_factory import rectangular |
---|
| 1495 | |
---|
| 1496 | # Create basic mesh |
---|
| 1497 | points, vertices, boundary = rectangular(5, 5) |
---|
| 1498 | |
---|
| 1499 | # Create shallow water domain |
---|
| 1500 | domain = Domain(points, vertices, boundary) |
---|
| 1501 | |
---|
[7573] | 1502 | domain.set_store_vertices_uniquely(True) |
---|
| 1503 | domain.set_default_order(2) |
---|
[7559] | 1504 | |
---|
| 1505 | |
---|
[7573] | 1506 | |
---|
[7559] | 1507 | # Bed-slope and friction at vertices (and interpolated elsewhere) |
---|
| 1508 | def x_slope(x, y): |
---|
| 1509 | return -x/3 |
---|
| 1510 | |
---|
| 1511 | domain.set_quantity('elevation', x_slope) |
---|
| 1512 | |
---|
| 1513 | # Boundary conditions |
---|
| 1514 | Br = Reflective_boundary(domain) |
---|
| 1515 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
| 1516 | |
---|
| 1517 | # Initial condition |
---|
| 1518 | domain.set_quantity('stage', expression='elevation+0.05') |
---|
| 1519 | domain.check_integrity() |
---|
| 1520 | |
---|
| 1521 | # Evolution |
---|
| 1522 | for t in domain.evolve(yieldstep=0.05, finaltime=0.1): |
---|
| 1523 | pass |
---|
| 1524 | |
---|
[7573] | 1525 | |
---|
[7559] | 1526 | assert num.allclose(domain.quantities['stage'].centroid_values[:4], |
---|
[7573] | 1527 | [ 0.01, 0.015, 0.01, 0.015], atol=1.0e-2) |
---|
| 1528 | |
---|
[7559] | 1529 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:4], |
---|
[7573] | 1530 | [ 0.015, 0.01, 0.015, 0.01], atol=1.0e-2) |
---|
| 1531 | |
---|
[7559] | 1532 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:4], |
---|
[7573] | 1533 | [ 0.0, 0.0, 0.0, 0.0] |
---|
| 1534 | , atol=1.0e-3) |
---|
[7559] | 1535 | |
---|
| 1536 | os.remove(domain.get_name() + '.sww') |
---|
| 1537 | |
---|
| 1538 | def test_complex_bed(self): |
---|
| 1539 | # No friction is tested here |
---|
| 1540 | |
---|
| 1541 | from mesh_factory import rectangular |
---|
| 1542 | |
---|
| 1543 | N = 12 |
---|
| 1544 | points, vertices, boundary = rectangular(N, N/2, len1=1.2, len2=0.6, |
---|
| 1545 | origin=(-0.07, 0)) |
---|
| 1546 | |
---|
| 1547 | |
---|
| 1548 | domain = Domain(points, vertices, boundary) |
---|
| 1549 | domain.smooth = False |
---|
[7573] | 1550 | domain.set_default_order(2) |
---|
| 1551 | domain.set_timestepping_method('rk2') |
---|
| 1552 | domain.set_beta(1.0) |
---|
[7559] | 1553 | |
---|
| 1554 | inflow_stage = 0.1 |
---|
| 1555 | Z = Weir(inflow_stage) |
---|
| 1556 | domain.set_quantity('elevation', Z) |
---|
| 1557 | |
---|
| 1558 | Br = Reflective_boundary(domain) |
---|
| 1559 | Bd = Dirichlet_boundary([inflow_stage, 0.0, 0.0]) |
---|
| 1560 | domain.set_boundary({'left': Bd, 'right': Br, 'bottom': Br, 'top': Br}) |
---|
| 1561 | |
---|
| 1562 | domain.set_quantity('stage', expression='elevation') |
---|
| 1563 | |
---|
| 1564 | for t in domain.evolve(yieldstep=0.02, finaltime=0.2): |
---|
| 1565 | pass |
---|
| 1566 | |
---|
| 1567 | #FIXME: These numbers were from version before 25/10 |
---|
| 1568 | #assert allclose(domain.quantities['stage'].centroid_values, |
---|
| 1569 | # [3.95822638e-002, 5.61022588e-002, 4.66437868e-002, 5.73081011e-002, |
---|
| 1570 | # 4.72394613e-002, 5.74684939e-002, 4.74309483e-002, 5.77458084e-002, |
---|
| 1571 | # 4.80628177e-002, 5.85656225e-002, 4.90498542e-002, 6.02609831e-002, |
---|
| 1572 | # 1.18470315e-002, 1.75136443e-002, 1.18035266e-002, 2.15565695e-002, |
---|
| 1573 | # 1.31620268e-002, 2.14351640e-002, 1.32351076e-002, 2.15450687e-002, |
---|
| 1574 | # 1.36414028e-002, 2.24274619e-002, 1.51689511e-002, 2.21789655e-002, |
---|
| 1575 | # -7.54337535e-003, -6.86362021e-004, -7.74146760e-003, -1.83756530e-003, |
---|
| 1576 | # -8.16773628e-003, -4.49916813e-004, -8.08202599e-003, -3.91118720e-004, |
---|
| 1577 | # -8.10292716e-003, -3.88584984e-004, -7.35226124e-003, 2.73985295e-004, |
---|
| 1578 | # 1.86166683e-001, 8.74070369e-002, 1.86166712e-001, 8.74035875e-002, |
---|
| 1579 | # 6.11666935e-002, -3.76173225e-002, -6.38333276e-002, -3.76147365e-002, |
---|
| 1580 | # 6.11666725e-002, 8.73846774e-002, 1.86166697e-001, 8.74171550e-002, |
---|
| 1581 | # -4.83333333e-002, 1.18333333e-001, -4.83333333e-002, 1.18333333e-001, |
---|
| 1582 | # -4.83333333e-002, -6.66666667e-003, -1.73333333e-001, -1.31666667e-001, |
---|
| 1583 | # -1.73333333e-001, -6.66666667e-003, -4.83333333e-002, 1.18333333e-001, |
---|
| 1584 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
| 1585 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
| 1586 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
| 1587 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
| 1588 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
| 1589 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
| 1590 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
| 1591 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
| 1592 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
| 1593 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
| 1594 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
| 1595 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
| 1596 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
| 1597 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
| 1598 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
| 1599 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
| 1600 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
| 1601 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
| 1602 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001, |
---|
| 1603 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001, |
---|
| 1604 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001]) |
---|
| 1605 | |
---|
| 1606 | os.remove(domain.get_name() + '.sww') |
---|
| 1607 | |
---|
| 1608 | |
---|
| 1609 | def test_tight_slope_limiters(self): |
---|
| 1610 | """Test that new slope limiters (Feb 2007) don't induce extremely |
---|
| 1611 | small timesteps. This test actually reveals the problem as it |
---|
| 1612 | was in March-April 2007 |
---|
| 1613 | """ |
---|
| 1614 | import time, os |
---|
| 1615 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 1616 | from data_manager import extent_sww |
---|
[7573] | 1617 | from mesh_factory import rectangular_cross |
---|
[7559] | 1618 | |
---|
| 1619 | # Create basic mesh |
---|
[7573] | 1620 | points, vertices, boundary = rectangular_cross(2, 2) |
---|
[7559] | 1621 | |
---|
| 1622 | # Create shallow water domain |
---|
| 1623 | domain = Domain(points, vertices, boundary) |
---|
[7573] | 1624 | domain.set_default_order(2) |
---|
| 1625 | domain.set_beta(1.0) |
---|
| 1626 | domain.set_timestepping_method('euler') |
---|
| 1627 | #domain.set_CFL(0.5) |
---|
| 1628 | |
---|
[7559] | 1629 | |
---|
| 1630 | # This will pass |
---|
| 1631 | #domain.tight_slope_limiters = 1 |
---|
| 1632 | #domain.H0 = 0.01 |
---|
| 1633 | |
---|
| 1634 | # This will fail |
---|
| 1635 | #domain.tight_slope_limiters = 1 |
---|
| 1636 | #domain.H0 = 0.001 |
---|
| 1637 | |
---|
| 1638 | # This will pass provided C extension implements limiting of |
---|
| 1639 | # momentum in _compute_speeds |
---|
[7573] | 1640 | #domain.tight_slope_limiters = 1 |
---|
| 1641 | #domain.H0 = 0.001 |
---|
| 1642 | #domain.protect_against_isolated_degenerate_timesteps = True |
---|
[7559] | 1643 | |
---|
| 1644 | # Set some field values |
---|
| 1645 | domain.set_quantity('elevation', lambda x,y: -x) |
---|
| 1646 | domain.set_quantity('friction', 0.03) |
---|
| 1647 | |
---|
| 1648 | # Boundary conditions |
---|
| 1649 | B = Transmissive_boundary(domain) |
---|
| 1650 | domain.set_boundary({'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
| 1651 | |
---|
| 1652 | # Initial condition - with jumps |
---|
| 1653 | bed = domain.quantities['elevation'].vertex_values |
---|
| 1654 | stage = num.zeros(bed.shape, num.float) |
---|
| 1655 | |
---|
| 1656 | h = 0.3 |
---|
| 1657 | for i in range(stage.shape[0]): |
---|
[7573] | 1658 | if i % 2 == 1: |
---|
[7559] | 1659 | stage[i,:] = bed[i,:] + h |
---|
| 1660 | else: |
---|
| 1661 | stage[i,:] = bed[i,:] |
---|
| 1662 | |
---|
| 1663 | domain.set_quantity('stage', stage) |
---|
| 1664 | |
---|
| 1665 | domain.distribute_to_vertices_and_edges() |
---|
| 1666 | |
---|
| 1667 | domain.set_name('tight_limiters') |
---|
| 1668 | domain.smooth = True |
---|
| 1669 | domain.reduction = mean |
---|
| 1670 | domain.set_datadir('.') |
---|
| 1671 | domain.smooth = False |
---|
| 1672 | domain.store = True |
---|
| 1673 | |
---|
| 1674 | # Evolution |
---|
| 1675 | for t in domain.evolve(yieldstep=0.1, finaltime=0.3): |
---|
| 1676 | #domain.write_time(track_speeds=True) |
---|
| 1677 | stage = domain.quantities['stage'].vertex_values |
---|
| 1678 | |
---|
| 1679 | # Get NetCDF |
---|
[7573] | 1680 | #fid = NetCDFFile(domain.writer.filename, netcdf_mode_r) |
---|
| 1681 | #stage_file = fid.variables['stage'] |
---|
[7559] | 1682 | |
---|
[7573] | 1683 | #fid.close() |
---|
[7559] | 1684 | |
---|
| 1685 | os.remove(domain.writer.filename) |
---|
| 1686 | |
---|
| 1687 | |
---|
| 1688 | |
---|
| 1689 | def test_pmesh2Domain(self): |
---|
| 1690 | import os |
---|
| 1691 | import tempfile |
---|
| 1692 | |
---|
| 1693 | fileName = tempfile.mktemp(".tsh") |
---|
| 1694 | file = open(fileName, "w") |
---|
| 1695 | file.write("4 3 # <vertex #> <x> <y> [attributes]\n \ |
---|
| 1696 | 0 0.0 0.0 0.0 0.0 0.01 \n \ |
---|
| 1697 | 1 1.0 0.0 10.0 10.0 0.02 \n \ |
---|
| 1698 | 2 0.0 1.0 0.0 10.0 0.03 \n \ |
---|
| 1699 | 3 0.5 0.25 8.0 12.0 0.04 \n \ |
---|
| 1700 | # Vert att title \n \ |
---|
| 1701 | elevation \n \ |
---|
| 1702 | stage \n \ |
---|
| 1703 | friction \n \ |
---|
| 1704 | 2 # <triangle #> [<vertex #>] [<neigbouring triangle #>] \n\ |
---|
| 1705 | 0 0 3 2 -1 -1 1 dsg\n\ |
---|
| 1706 | 1 0 1 3 -1 0 -1 ole nielsen\n\ |
---|
| 1707 | 4 # <segment #> <vertex #> <vertex #> [boundary tag] \n\ |
---|
| 1708 | 0 1 0 2 \n\ |
---|
| 1709 | 1 0 2 3 \n\ |
---|
| 1710 | 2 2 3 \n\ |
---|
| 1711 | 3 3 1 1 \n\ |
---|
| 1712 | 3 0 # <x> <y> [attributes] ...Mesh Vertices... \n \ |
---|
| 1713 | 0 216.0 -86.0 \n \ |
---|
| 1714 | 1 160.0 -167.0 \n \ |
---|
| 1715 | 2 114.0 -91.0 \n \ |
---|
| 1716 | 3 # <vertex #> <vertex #> [boundary tag] ...Mesh Segments... \n \ |
---|
| 1717 | 0 0 1 0 \n \ |
---|
| 1718 | 1 1 2 0 \n \ |
---|
| 1719 | 2 2 0 0 \n \ |
---|
| 1720 | 0 # <x> <y> ...Mesh Holes... \n \ |
---|
| 1721 | 0 # <x> <y> <attribute>...Mesh Regions... \n \ |
---|
| 1722 | 0 # <x> <y> <attribute>...Mesh Regions, area... \n\ |
---|
| 1723 | #Geo reference \n \ |
---|
| 1724 | 56 \n \ |
---|
| 1725 | 140 \n \ |
---|
| 1726 | 120 \n") |
---|
| 1727 | file.close() |
---|
| 1728 | |
---|
| 1729 | tags = {} |
---|
| 1730 | b1 = Dirichlet_boundary(conserved_quantities = num.array([0.0])) |
---|
| 1731 | b2 = Dirichlet_boundary(conserved_quantities = num.array([1.0])) |
---|
| 1732 | b3 = Dirichlet_boundary(conserved_quantities = num.array([2.0])) |
---|
| 1733 | tags["1"] = b1 |
---|
| 1734 | tags["2"] = b2 |
---|
| 1735 | tags["3"] = b3 |
---|
| 1736 | |
---|
| 1737 | domain = Domain(mesh_filename=fileName) |
---|
| 1738 | # verbose=True, use_cache=True) |
---|
| 1739 | |
---|
| 1740 | ## check the quantities |
---|
| 1741 | answer = [[0., 8., 0.], |
---|
| 1742 | [0., 10., 8.]] |
---|
| 1743 | assert num.allclose(domain.quantities['elevation'].vertex_values, |
---|
| 1744 | answer) |
---|
| 1745 | |
---|
| 1746 | answer = [[0., 12., 10.], |
---|
| 1747 | [0., 10., 12.]] |
---|
| 1748 | assert num.allclose(domain.quantities['stage'].vertex_values, |
---|
| 1749 | answer) |
---|
| 1750 | |
---|
| 1751 | answer = [[0.01, 0.04, 0.03], |
---|
| 1752 | [0.01, 0.02, 0.04]] |
---|
| 1753 | assert num.allclose(domain.quantities['friction'].vertex_values, |
---|
| 1754 | answer) |
---|
| 1755 | |
---|
| 1756 | tagged_elements = domain.get_tagged_elements() |
---|
| 1757 | assert num.allclose(tagged_elements['dsg'][0], 0) |
---|
| 1758 | assert num.allclose(tagged_elements['ole nielsen'][0], 1) |
---|
| 1759 | |
---|
| 1760 | msg = "test_tags_to_boundaries failed. Single boundary wasn't added." |
---|
| 1761 | self.failUnless( domain.boundary[(1, 0)] == '1', msg) |
---|
| 1762 | self.failUnless( domain.boundary[(1, 2)] == '2', msg) |
---|
| 1763 | self.failUnless( domain.boundary[(0, 1)] == '3', msg) |
---|
| 1764 | self.failUnless( domain.boundary[(0, 0)] == 'exterior', msg) |
---|
| 1765 | msg = "test_pmesh2Domain Too many boundaries" |
---|
| 1766 | self.failUnless( len(domain.boundary) == 4, msg) |
---|
| 1767 | |
---|
| 1768 | # FIXME change to use get_xllcorner |
---|
| 1769 | msg = 'Bad geo-reference' |
---|
| 1770 | self.failUnless(domain.geo_reference.xllcorner == 140.0, msg) |
---|
| 1771 | |
---|
| 1772 | domain = Domain(fileName) |
---|
| 1773 | |
---|
| 1774 | answer = [[0., 8., 0.], |
---|
| 1775 | [0., 10., 8.]] |
---|
| 1776 | assert num.allclose(domain.quantities['elevation'].vertex_values, |
---|
| 1777 | answer) |
---|
| 1778 | |
---|
| 1779 | answer = [[0., 12., 10.], |
---|
| 1780 | [0., 10., 12.]] |
---|
| 1781 | assert num.allclose(domain.quantities['stage'].vertex_values, |
---|
| 1782 | answer) |
---|
| 1783 | |
---|
| 1784 | answer = [[0.01, 0.04, 0.03], |
---|
| 1785 | [0.01, 0.02, 0.04]] |
---|
| 1786 | assert num.allclose(domain.quantities['friction'].vertex_values, |
---|
| 1787 | answer) |
---|
| 1788 | |
---|
| 1789 | tagged_elements = domain.get_tagged_elements() |
---|
| 1790 | assert num.allclose(tagged_elements['dsg'][0], 0) |
---|
| 1791 | assert num.allclose(tagged_elements['ole nielsen'][0], 1) |
---|
| 1792 | |
---|
| 1793 | msg = "test_tags_to_boundaries failed. Single boundary wasn't added." |
---|
| 1794 | self.failUnless(domain.boundary[(1, 0)] == '1', msg) |
---|
| 1795 | self.failUnless(domain.boundary[(1, 2)] == '2', msg) |
---|
| 1796 | self.failUnless(domain.boundary[(0, 1)] == '3', msg) |
---|
| 1797 | self.failUnless(domain.boundary[(0, 0)] == 'exterior', msg) |
---|
| 1798 | msg = "test_pmesh2Domain Too many boundaries" |
---|
| 1799 | self.failUnless(len(domain.boundary) == 4, msg) |
---|
| 1800 | |
---|
| 1801 | # FIXME change to use get_xllcorner |
---|
| 1802 | msg = 'Bad geo_reference' |
---|
| 1803 | self.failUnless(domain.geo_reference.xllcorner == 140.0, msg) |
---|
| 1804 | |
---|
| 1805 | os.remove(fileName) |
---|
| 1806 | |
---|
| 1807 | def test_get_lone_vertices(self): |
---|
| 1808 | a = [0.0, 0.0] |
---|
| 1809 | b = [0.0, 2.0] |
---|
| 1810 | c = [2.0, 0.0] |
---|
| 1811 | d = [0.0, 4.0] |
---|
| 1812 | e = [2.0, 2.0] |
---|
| 1813 | f = [4.0, 0.0] |
---|
| 1814 | |
---|
| 1815 | points = [a, b, c, d, e, f] |
---|
| 1816 | # bac, bce, ecf, dbe |
---|
| 1817 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
| 1818 | boundary = {(0, 0): 'Third', |
---|
| 1819 | (0, 2): 'First', |
---|
| 1820 | (2, 0): 'Second', |
---|
| 1821 | (2, 1): 'Second', |
---|
| 1822 | (3, 1): 'Second', |
---|
| 1823 | (3, 2): 'Third'} |
---|
| 1824 | |
---|
| 1825 | domain = Domain(points, vertices, boundary) |
---|
| 1826 | domain.get_lone_vertices() |
---|
| 1827 | |
---|
| 1828 | def test_fitting_using_shallow_water_domain(self): |
---|
| 1829 | #Mesh in zone 56 (absolute coords) |
---|
| 1830 | |
---|
| 1831 | x0 = 314036.58727982 |
---|
| 1832 | y0 = 6224951.2960092 |
---|
| 1833 | |
---|
| 1834 | a = [x0+0.0, y0+0.0] |
---|
| 1835 | b = [x0+0.0, y0+2.0] |
---|
| 1836 | c = [x0+2.0, y0+0.0] |
---|
| 1837 | d = [x0+0.0, y0+4.0] |
---|
| 1838 | e = [x0+2.0, y0+2.0] |
---|
| 1839 | f = [x0+4.0, y0+0.0] |
---|
| 1840 | |
---|
| 1841 | points = [a, b, c, d, e, f] |
---|
| 1842 | |
---|
| 1843 | # bac, bce, ecf, dbe |
---|
| 1844 | elements = [[1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
| 1845 | |
---|
| 1846 | # absolute going in .. |
---|
| 1847 | mesh4 = Domain(points, elements, geo_reference=Geo_reference(56, 0, 0)) |
---|
| 1848 | mesh4.check_integrity() |
---|
| 1849 | quantity = Quantity(mesh4) |
---|
| 1850 | |
---|
| 1851 | # Get (enough) datapoints (relative to georef) |
---|
| 1852 | data_points_rel = [[ 0.66666667, 0.66666667], |
---|
| 1853 | [ 1.33333333, 1.33333333], |
---|
| 1854 | [ 2.66666667, 0.66666667], |
---|
| 1855 | [ 0.66666667, 2.66666667], |
---|
| 1856 | [ 0.0, 1.0], |
---|
| 1857 | [ 0.0, 3.0], |
---|
| 1858 | [ 1.0, 0.0], |
---|
| 1859 | [ 1.0, 1.0], |
---|
| 1860 | [ 1.0, 2.0], |
---|
| 1861 | [ 1.0, 3.0], |
---|
| 1862 | [ 2.0, 1.0], |
---|
| 1863 | [ 3.0, 0.0], |
---|
| 1864 | [ 3.0, 1.0]] |
---|
| 1865 | |
---|
| 1866 | data_geo_spatial = Geospatial_data(data_points_rel, |
---|
| 1867 | geo_reference=Geo_reference(56, |
---|
| 1868 | x0, |
---|
| 1869 | y0)) |
---|
| 1870 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
| 1871 | attributes = linear_function(data_points_absolute) |
---|
| 1872 | att = 'spam_and_eggs' |
---|
| 1873 | |
---|
| 1874 | # Create .txt file |
---|
| 1875 | ptsfile = tempfile.mktemp(".txt") |
---|
| 1876 | file = open(ptsfile, "w") |
---|
| 1877 | file.write(" x,y," + att + " \n") |
---|
| 1878 | for data_point, attribute in map(None, data_points_absolute, attributes): |
---|
| 1879 | row = (str(data_point[0]) + ',' + |
---|
| 1880 | str(data_point[1]) + ',' + |
---|
| 1881 | str(attribute)) |
---|
| 1882 | file.write(row + "\n") |
---|
| 1883 | file.close() |
---|
| 1884 | |
---|
| 1885 | # Check that values can be set from file |
---|
| 1886 | quantity.set_values(filename=ptsfile, attribute_name=att, alpha=0) |
---|
| 1887 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
| 1888 | |
---|
| 1889 | assert num.allclose(quantity.vertex_values.flat, answer) |
---|
| 1890 | |
---|
| 1891 | # Check that values can be set from file using default attribute |
---|
| 1892 | quantity.set_values(filename = ptsfile, alpha = 0) |
---|
| 1893 | assert num.allclose(quantity.vertex_values.flat, answer) |
---|
| 1894 | |
---|
| 1895 | # Cleanup |
---|
| 1896 | import os |
---|
| 1897 | os.remove(ptsfile) |
---|
| 1898 | |
---|
| 1899 | def test_fitting_example_that_crashed(self): |
---|
| 1900 | """This unit test has been derived from a real world example |
---|
| 1901 | (the Towradgi '98 rainstorm simulation). |
---|
| 1902 | |
---|
| 1903 | It shows a condition where fitting as called from set_quantity crashes |
---|
| 1904 | when ANUGA mesh is reused. The test passes in the case where a new mesh |
---|
| 1905 | is created. |
---|
| 1906 | |
---|
| 1907 | See ticket:314 |
---|
| 1908 | """ |
---|
| 1909 | |
---|
| 1910 | verbose = False |
---|
| 1911 | |
---|
| 1912 | from anuga.shallow_water import Domain |
---|
| 1913 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
| 1914 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
---|
| 1915 | |
---|
| 1916 | |
---|
| 1917 | # Get path where this test is run |
---|
| 1918 | path = get_pathname_from_package('anuga.shallow_water') |
---|
| 1919 | |
---|
| 1920 | |
---|
| 1921 | #---------------------------------------------------------------------- |
---|
| 1922 | # Create domain |
---|
| 1923 | #-------------------------------------------------------------------- |
---|
| 1924 | W = 303400 |
---|
| 1925 | N = 6195800 |
---|
| 1926 | E = 308640 |
---|
| 1927 | S = 6193120 |
---|
| 1928 | bounding_polygon = [[W, S], [E, S], [E, N], [W, N]] |
---|
| 1929 | |
---|
| 1930 | offending_regions = [] |
---|
| 1931 | |
---|
| 1932 | # From culvert 8 |
---|
| 1933 | offending_regions.append([[307611.43896231, 6193631.6894806], |
---|
| 1934 | [307600.11394969, 6193608.2855474], |
---|
| 1935 | [307597.41349586, 6193609.59227963], |
---|
| 1936 | [307608.73850848, 6193632.99621282]]) |
---|
| 1937 | offending_regions.append([[307633.69143231, 6193620.9216536], |
---|
| 1938 | [307622.36641969, 6193597.5177204], |
---|
| 1939 | [307625.06687352, 6193596.21098818], |
---|
| 1940 | [307636.39188614, 6193619.61492137]]) |
---|
| 1941 | |
---|
| 1942 | # From culvert 9 |
---|
| 1943 | offending_regions.append([[306326.69660524, 6194818.62900522], |
---|
| 1944 | [306324.67939476, 6194804.37099478], |
---|
| 1945 | [306323.75856492, 6194804.50127295], |
---|
| 1946 | [306325.7757754, 6194818.7592834]]) |
---|
| 1947 | offending_regions.append([[306365.57160524, 6194813.12900522], |
---|
| 1948 | [306363.55439476, 6194798.87099478], |
---|
| 1949 | [306364.4752246, 6194798.7407166], |
---|
| 1950 | [306366.49243508, 6194812.99872705]]) |
---|
| 1951 | |
---|
| 1952 | # From culvert 10 |
---|
| 1953 | offending_regions.append([[306955.071019428608, 6194465.704096679576], |
---|
| 1954 | [306951.616980571358, 6194457.295903320424], |
---|
| 1955 | [306950.044491164153, 6194457.941873183474], |
---|
| 1956 | [306953.498530021403, 6194466.350066542625]]) |
---|
| 1957 | offending_regions.append([[307002.540019428649, 6194446.204096679576], |
---|
| 1958 | [306999.085980571399, 6194437.795903320424], |
---|
| 1959 | [307000.658469978604, 6194437.149933457375], |
---|
| 1960 | [307004.112508835853, 6194445.558126816526]]) |
---|
| 1961 | |
---|
| 1962 | interior_regions = [] |
---|
| 1963 | for polygon in offending_regions: |
---|
| 1964 | interior_regions.append( [polygon, 100] ) |
---|
| 1965 | |
---|
| 1966 | meshname = os.path.join(path, 'offending_mesh.msh') |
---|
| 1967 | create_mesh_from_regions(bounding_polygon, |
---|
| 1968 | boundary_tags={'south': [0], 'east': [1], |
---|
| 1969 | 'north': [2], 'west': [3]}, |
---|
| 1970 | maximum_triangle_area=1000000, |
---|
| 1971 | interior_regions=interior_regions, |
---|
| 1972 | filename=meshname, |
---|
| 1973 | use_cache=False, |
---|
| 1974 | verbose=verbose) |
---|
| 1975 | |
---|
| 1976 | domain = Domain(meshname, use_cache=False, verbose=verbose) |
---|
| 1977 | |
---|
| 1978 | #---------------------------------------------------------------------- |
---|
| 1979 | # Fit data point to mesh |
---|
| 1980 | #---------------------------------------------------------------------- |
---|
| 1981 | |
---|
| 1982 | points_file = os.path.join(path, 'offending_point.pts') |
---|
| 1983 | |
---|
| 1984 | # Offending point |
---|
| 1985 | G = Geospatial_data(data_points=[[306953.344, 6194461.5]], |
---|
| 1986 | attributes=[1]) |
---|
| 1987 | G.export_points_file(points_file) |
---|
| 1988 | |
---|
| 1989 | try: |
---|
| 1990 | domain.set_quantity('elevation', filename=points_file, |
---|
| 1991 | use_cache=False, verbose=verbose, alpha=0.01) |
---|
| 1992 | except RuntimeError, e: |
---|
| 1993 | msg = 'Test failed: %s' % str(e) |
---|
| 1994 | raise Exception, msg |
---|
| 1995 | # clean up in case raise fails |
---|
| 1996 | os.remove(meshname) |
---|
| 1997 | os.remove(points_file) |
---|
| 1998 | else: |
---|
| 1999 | os.remove(meshname) |
---|
| 2000 | os.remove(points_file) |
---|
| 2001 | |
---|
| 2002 | #finally: |
---|
| 2003 | # Cleanup regardless |
---|
| 2004 | #FIXME(Ole): Finally does not work like this in python2.4 |
---|
| 2005 | #FIXME(Ole): Reinstate this when Python2.4 is out of the way |
---|
| 2006 | #FIXME(Ole): Python 2.6 apparently introduces something called 'with' |
---|
| 2007 | #os.remove(meshname) |
---|
| 2008 | #os.remove(points_file) |
---|
| 2009 | |
---|
| 2010 | |
---|
| 2011 | def test_fitting_example_that_crashed_2(self): |
---|
| 2012 | """test_fitting_example_that_crashed_2 |
---|
| 2013 | |
---|
| 2014 | This unit test has been derived from a real world example |
---|
| 2015 | (the JJKelly study, by Petar Milevski). |
---|
| 2016 | |
---|
| 2017 | It shows a condition where set_quantity crashes due to AtA |
---|
| 2018 | not being built properly |
---|
| 2019 | |
---|
| 2020 | See ticket:314 |
---|
| 2021 | """ |
---|
| 2022 | |
---|
| 2023 | verbose = False |
---|
| 2024 | |
---|
| 2025 | from anuga.shallow_water import Domain |
---|
| 2026 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
| 2027 | from anuga.geospatial_data import Geospatial_data |
---|
| 2028 | |
---|
| 2029 | # Get path where this test is run |
---|
| 2030 | path = get_pathname_from_package('anuga.shallow_water') |
---|
| 2031 | |
---|
| 2032 | meshname = os.path.join(path, 'test_mesh.msh') |
---|
| 2033 | W = 304180 |
---|
| 2034 | S = 6185270 |
---|
| 2035 | E = 307650 |
---|
| 2036 | N = 6189040 |
---|
| 2037 | maximum_triangle_area = 1000000 |
---|
| 2038 | |
---|
| 2039 | bounding_polygon = [[W, S], [E, S], [E, N], [W, N]] |
---|
| 2040 | |
---|
| 2041 | create_mesh_from_regions(bounding_polygon, |
---|
| 2042 | boundary_tags={'south': [0], |
---|
| 2043 | 'east': [1], |
---|
| 2044 | 'north': [2], |
---|
| 2045 | 'west': [3]}, |
---|
| 2046 | maximum_triangle_area=maximum_triangle_area, |
---|
| 2047 | filename=meshname, |
---|
| 2048 | use_cache=False, |
---|
| 2049 | verbose=verbose) |
---|
| 2050 | |
---|
| 2051 | domain = Domain(meshname, use_cache=True, verbose=verbose) |
---|
| 2052 | |
---|
| 2053 | # Large test set revealed one problem |
---|
| 2054 | points_file = os.path.join(path, 'test_points_large.csv') |
---|
| 2055 | try: |
---|
| 2056 | domain.set_quantity('elevation', filename=points_file, |
---|
| 2057 | use_cache=False, verbose=verbose) |
---|
| 2058 | except AssertionError, e: |
---|
| 2059 | msg = 'Test failed: %s' % str(e) |
---|
| 2060 | raise Exception, msg |
---|
| 2061 | # Cleanup in case this failed |
---|
| 2062 | os.remove(meshname) |
---|
| 2063 | |
---|
| 2064 | # Small test set revealed another problem |
---|
| 2065 | points_file = os.path.join(path, 'test_points_small.csv') |
---|
| 2066 | try: |
---|
| 2067 | domain.set_quantity('elevation', filename=points_file, |
---|
| 2068 | use_cache=False, verbose=verbose) |
---|
| 2069 | except AssertionError, e: |
---|
| 2070 | msg = 'Test failed: %s' % str(e) |
---|
| 2071 | raise Exception, msg |
---|
| 2072 | # Cleanup in case this failed |
---|
| 2073 | os.remove(meshname) |
---|
| 2074 | else: |
---|
| 2075 | os.remove(meshname) |
---|
| 2076 | |
---|
| 2077 | |
---|
| 2078 | |
---|
| 2079 | |
---|
| 2080 | def test_variable_elevation(self): |
---|
| 2081 | """test_variable_elevation |
---|
| 2082 | |
---|
| 2083 | This will test that elevagtion van be stored in sww files |
---|
| 2084 | as a time dependent quantity. |
---|
| 2085 | |
---|
| 2086 | It will also chck that storage of other quantities |
---|
| 2087 | can be controlled this way. |
---|
| 2088 | """ |
---|
[7866] | 2089 | |
---|
[7559] | 2090 | #--------------------------------------------------------------------- |
---|
| 2091 | # Setup computational domain |
---|
| 2092 | #--------------------------------------------------------------------- |
---|
| 2093 | length = 8. |
---|
| 2094 | width = 6. |
---|
| 2095 | dx = dy = 1 # Resolution: Length of subdivisions on both axes |
---|
| 2096 | |
---|
| 2097 | inc = 0.05 # Elevation increment |
---|
| 2098 | |
---|
| 2099 | points, vertices, boundary = rectangular_cross(int(length/dx), |
---|
| 2100 | int(width/dy), |
---|
| 2101 | len1=length, |
---|
| 2102 | len2=width) |
---|
[7866] | 2103 | domain = anuga.Domain(points, vertices, boundary) |
---|
[7559] | 2104 | domain.set_name('channel_variable_test') # Output name |
---|
| 2105 | domain.set_quantities_to_be_stored({'elevation': 2, |
---|
| 2106 | 'stage': 2}) |
---|
| 2107 | |
---|
| 2108 | #--------------------------------------------------------------------- |
---|
| 2109 | # Setup initial conditions |
---|
| 2110 | #--------------------------------------------------------------------- |
---|
| 2111 | |
---|
| 2112 | def pole_increment(x,y): |
---|
| 2113 | """This provides a small increment to a pole located mid stream |
---|
| 2114 | For use with variable elevation data |
---|
| 2115 | """ |
---|
| 2116 | |
---|
| 2117 | z = 0.0*x |
---|
| 2118 | |
---|
| 2119 | N = len(x) |
---|
| 2120 | for i in range(N): |
---|
| 2121 | # Pole |
---|
| 2122 | if (x[i] - 4)**2 + (y[i] - 2)**2 < 1.0**2: |
---|
| 2123 | z[i] += inc |
---|
| 2124 | return z |
---|
| 2125 | |
---|
| 2126 | domain.set_quantity('elevation', 0.0) # Flat bed initially |
---|
| 2127 | domain.set_quantity('friction', 0.01) # Constant friction |
---|
| 2128 | domain.set_quantity('stage', 0.0) # Dry initial condition |
---|
| 2129 | |
---|
| 2130 | #------------------------------------------------------------------ |
---|
| 2131 | # Setup boundary conditions |
---|
| 2132 | #------------------------------------------------------------------ |
---|
| 2133 | Bi = Dirichlet_boundary([0.4, 0, 0]) # Inflow |
---|
| 2134 | Br = Reflective_boundary(domain) # Solid reflective wall |
---|
| 2135 | Bo = Dirichlet_boundary([-5, 0, 0]) # Outflow |
---|
| 2136 | |
---|
| 2137 | domain.set_boundary({'left': Bi, 'right': Bo, 'top': Br, 'bottom': Br}) |
---|
| 2138 | |
---|
| 2139 | #------------------------------------------------------------------- |
---|
| 2140 | # Evolve system through time |
---|
| 2141 | #------------------------------------------------------------------- |
---|
| 2142 | |
---|
| 2143 | for t in domain.evolve(yieldstep=1, finaltime=3.0): |
---|
| 2144 | #print domain.timestepping_statistics() |
---|
| 2145 | |
---|
| 2146 | domain.add_quantity('elevation', pole_increment) |
---|
| 2147 | |
---|
| 2148 | |
---|
| 2149 | # Check that quantities have been stored correctly |
---|
| 2150 | from Scientific.IO.NetCDF import NetCDFFile |
---|
| 2151 | sww_file = domain.get_name() + '.sww' |
---|
| 2152 | fid = NetCDFFile(sww_file) |
---|
| 2153 | |
---|
| 2154 | x = fid.variables['x'][:] |
---|
| 2155 | y = fid.variables['y'][:] |
---|
| 2156 | stage = fid.variables['stage'][:] |
---|
| 2157 | elevation = fid.variables['elevation'][:] |
---|
| 2158 | fid.close() |
---|
| 2159 | |
---|
| 2160 | os.remove(sww_file) |
---|
| 2161 | |
---|
| 2162 | |
---|
| 2163 | assert len(stage.shape) == 2 |
---|
| 2164 | assert len(elevation.shape) == 2 |
---|
| 2165 | |
---|
| 2166 | M, N = stage.shape |
---|
| 2167 | |
---|
| 2168 | for i in range(M): |
---|
| 2169 | # For each timestep |
---|
| 2170 | assert num.allclose(max(elevation[i,:]), i * inc) |
---|
| 2171 | |
---|
| 2172 | |
---|
| 2173 | |
---|
| 2174 | ################################################################################# |
---|
| 2175 | |
---|
| 2176 | if __name__ == "__main__": |
---|
[7575] | 2177 | suite = unittest.makeSuite(Test_swb_basic, 'test') |
---|
[7559] | 2178 | runner = unittest.TextTestRunner(verbosity=1) |
---|
| 2179 | runner.run(suite) |
---|