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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8 | from anuga.config import g, epsilon |
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9 | from anuga.config import netcdf_mode_r, netcdf_mode_w, netcdf_mode_a |
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10 | from anuga.utilities.numerical_tools import mean |
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11 | from anuga.utilities.polygon import is_inside_polygon |
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12 | from anuga.coordinate_transforms.geo_reference import Geo_reference |
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13 | from anuga.abstract_2d_finite_volumes.quantity import Quantity |
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14 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
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15 | from anuga.abstract_2d_finite_volumes.mesh_factory import rectangular_cross |
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16 | |
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17 | from anuga.utilities.system_tools import get_pathname_from_package |
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18 | from swb_domain import * |
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19 | |
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20 | import numpy as num |
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21 | |
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22 | # Get gateway to C implementation of flux function for direct testing |
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23 | from shallow_water_ext import flux_function_central as flux_function |
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24 | |
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25 | |
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26 | # For test_fitting_using_shallow_water_domain example |
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27 | def linear_function(point): |
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28 | point = num.array(point) |
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29 | return point[:,0]+point[:,1] |
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30 | |
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31 | class Weir: |
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32 | """Set a bathymetry for weir with a hole and a downstream gutter |
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33 | x,y are assumed to be in the unit square |
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34 | """ |
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35 | |
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36 | def __init__(self, stage): |
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37 | self.inflow_stage = stage |
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38 | |
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39 | def __call__(self, x, y): |
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40 | N = len(x) |
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41 | assert N == len(y) |
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42 | |
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43 | z = num.zeros(N, num.float) |
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44 | for i in range(N): |
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45 | z[i] = -x[i]/2 #General slope |
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46 | |
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47 | #Flattish bit to the left |
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48 | if x[i] < 0.3: |
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49 | z[i] = -x[i]/10 |
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50 | |
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51 | #Weir |
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52 | if x[i] >= 0.3 and x[i] < 0.4: |
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53 | z[i] = -x[i]+0.9 |
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54 | |
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55 | #Dip |
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56 | x0 = 0.6 |
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57 | depth = -1.0 |
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58 | plateaux = -0.6 |
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59 | if y[i] < 0.7: |
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60 | if x[i] > x0 and x[i] < 0.9: |
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61 | z[i] = depth |
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62 | #RHS plateaux |
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63 | if x[i] >= 0.9: |
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64 | z[i] = plateaux |
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65 | elif y[i] >= 0.7 and y[i] < 1.5: |
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66 | #Restrict and deepen |
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67 | if x[i] >= x0 and x[i] < 0.8: |
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68 | z[i] = depth - (y[i]/3 - 0.3) |
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69 | elif x[i] >= 0.8: |
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70 | #RHS plateaux |
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71 | z[i] = plateaux |
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72 | elif y[i] >= 1.5: |
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73 | if x[i] >= x0 and x[i] < 0.8 + (y[i]-1.5)/1.2: |
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74 | #Widen up and stay at constant depth |
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75 | z[i] = depth-1.5/5 |
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76 | elif x[i] >= 0.8 + (y[i]-1.5)/1.2: |
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77 | #RHS plateaux |
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78 | z[i] = plateaux |
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79 | |
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80 | #Hole in weir (slightly higher than inflow condition) |
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81 | if x[i] >= 0.3 and x[i] < 0.4 and y[i] > 0.2 and y[i] < 0.4: |
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82 | z[i] = -x[i]+self.inflow_stage + 0.02 |
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83 | |
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84 | #Channel behind weir |
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85 | x0 = 0.5 |
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86 | if x[i] >= 0.4 and x[i] < x0 and y[i] > 0.2 and y[i] < 0.4: |
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87 | z[i] = -x[i]+self.inflow_stage + 0.02 |
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88 | |
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89 | if x[i] >= x0 and x[i] < 0.6 and y[i] > 0.2 and y[i] < 0.4: |
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90 | #Flatten it out towards the end |
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91 | z[i] = -x0+self.inflow_stage + 0.02 + (x0-x[i])/5 |
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92 | |
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93 | # Hole to the east |
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94 | x0 = 1.1 |
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95 | y0 = 0.35 |
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96 | if num.sqrt((2*(x[i]-x0))**2 + (2*(y[i]-y0))**2) < 0.2: |
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97 | z[i] = num.sqrt(((x[i]-x0))**2 + ((y[i]-y0))**2)-1.0 |
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98 | |
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99 | #Tiny channel draining hole |
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100 | if x[i] >= 1.14 and x[i] < 1.2 and y[i] >= 0.4 and y[i] < 0.6: |
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101 | z[i] = -0.9 #North south |
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102 | |
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103 | if x[i] >= 0.9 and x[i] < 1.18 and y[i] >= 0.58 and y[i] < 0.65: |
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104 | z[i] = -1.0 + (x[i]-0.9)/3 #East west |
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105 | |
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106 | # Stuff not in use |
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107 | |
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108 | # Upward slope at inlet to the north west |
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109 | # if x[i] < 0.0: # and y[i] > 0.5: |
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110 | # #z[i] = -y[i]+0.5 #-x[i]/2 |
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111 | # z[i] = x[i]/4 - y[i]**2 + 0.5 |
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112 | |
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113 | # Hole to the west |
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114 | # x0 = -0.4; y0 = 0.35 # center |
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115 | # if sqrt((2*(x[i]-x0))**2 + (2*(y[i]-y0))**2) < 0.2: |
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116 | # z[i] = sqrt(((x[i]-x0))**2 + ((y[i]-y0))**2)-0.2 |
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117 | |
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118 | return z/2 |
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119 | |
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120 | |
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121 | |
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122 | ######################################################### |
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123 | |
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124 | class Test_swb_basic(unittest.TestCase): |
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125 | def setUp(self): |
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126 | pass |
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127 | |
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128 | def tearDown(self): |
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129 | pass |
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130 | |
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131 | |
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132 | def test_rotate(self): |
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133 | normal = num.array([0.0, -1.0]) |
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134 | |
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135 | q = num.array([1.0, 2.0, 3.0]) |
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136 | |
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137 | r = rotate(q, normal, direction = 1) |
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138 | assert r[0] == 1 |
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139 | assert r[1] == -3 |
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140 | assert r[2] == 2 |
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141 | |
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142 | w = rotate(r, normal, direction = -1) |
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143 | assert num.allclose(w, q) |
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144 | |
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145 | # Check error check |
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146 | try: |
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147 | rotate(r, num.array([1, 1, 1])) |
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148 | except: |
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149 | pass |
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150 | else: |
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151 | raise Exception, 'Should have raised an exception' |
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152 | |
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153 | # Individual flux tests |
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154 | def test_flux_zero_case(self): |
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155 | ql = num.zeros(3, num.float) |
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156 | qr = num.zeros(3, num.float) |
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157 | normal = num.zeros(2, num.float) |
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158 | edgeflux = num.zeros(3, num.float) |
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159 | zl = zr = 0. |
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160 | H0 = 1.0e-3 # As suggested in the manual |
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161 | |
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162 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, epsilon, g, H0) |
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163 | |
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164 | assert num.allclose(edgeflux, [0,0,0]) |
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165 | assert max_speed == 0. |
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166 | |
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167 | def test_flux_constants(self): |
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168 | w = 2.0 |
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169 | |
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170 | normal = num.array([1.,0]) |
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171 | ql = num.array([w, 0, 0]) |
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172 | qr = num.array([w, 0, 0]) |
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173 | edgeflux = num.zeros(3, num.float) |
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174 | zl = zr = 0. |
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175 | h = w - (zl+zr)/2 |
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176 | H0 = 0.0 |
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177 | |
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178 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, epsilon, g, H0) |
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179 | assert num.allclose(edgeflux, [0., 0.5*g*h**2, 0.]) |
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180 | assert max_speed == num.sqrt(g*h) |
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181 | |
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182 | #def test_flux_slope(self): |
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183 | # #FIXME: TODO |
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184 | # w = 2.0 |
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185 | # |
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186 | # normal = array([1.,0]) |
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187 | # ql = array([w, 0, 0]) |
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188 | # qr = array([w, 0, 0]) |
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189 | # zl = zr = 0. |
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190 | # h = w - (zl+zr)/2 |
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191 | # |
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192 | # flux, max_speed = flux_function(normal, ql, qr, zl, zr) |
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193 | # |
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194 | # assert allclose(flux, [0., 0.5*g*h**2, 0.]) |
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195 | # assert max_speed == sqrt(g*h) |
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196 | |
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197 | def test_flux1(self): |
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198 | # Use data from previous version of abstract_2d_finite_volumes |
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199 | normal = num.array([1., 0]) |
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200 | ql = num.array([-0.2, 2, 3]) |
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201 | qr = num.array([-0.2, 2, 3]) |
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202 | zl = zr = -0.5 |
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203 | edgeflux = num.zeros(3, num.float) |
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204 | |
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205 | H0 = 0.0 |
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206 | |
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207 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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208 | epsilon, g, H0) |
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209 | |
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210 | assert num.allclose(edgeflux, [2., 13.77433333, 20.]) |
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211 | assert num.allclose(max_speed, 8.38130948661) |
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212 | |
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213 | def test_flux2(self): |
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214 | # Use data from previous version of abstract_2d_finite_volumes |
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215 | normal = num.array([0., -1.]) |
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216 | ql = num.array([-0.075, 2, 3]) |
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217 | qr = num.array([-0.075, 2, 3]) |
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218 | zl = zr = -0.375 |
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219 | |
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220 | edgeflux = num.zeros(3, num.float) |
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221 | H0 = 0.0 |
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222 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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223 | epsilon, g, H0) |
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224 | |
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225 | assert num.allclose(edgeflux, [-3., -20.0, -30.441]) |
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226 | assert num.allclose(max_speed, 11.7146428199) |
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227 | |
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228 | def test_flux3(self): |
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229 | # Use data from previous version of abstract_2d_finite_volumes |
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230 | normal = num.array([-sqrt(2)/2, sqrt(2)/2]) |
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231 | ql = num.array([-0.075, 2, 3]) |
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232 | qr = num.array([-0.075, 2, 3]) |
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233 | zl = zr = -0.375 |
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234 | |
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235 | edgeflux = num.zeros(3, num.float) |
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236 | H0 = 0.0 |
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237 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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238 | epsilon, g, H0) |
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239 | |
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240 | assert num.allclose(edgeflux, [sqrt(2)/2, 4.40221112, 7.3829019]) |
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241 | assert num.allclose(max_speed, 4.0716654239) |
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242 | |
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243 | def test_flux4(self): |
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244 | # Use data from previous version of abstract_2d_finite_volumes |
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245 | normal = num.array([-sqrt(2)/2, sqrt(2)/2]) |
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246 | ql = num.array([-0.34319278, 0.10254161, 0.07273855]) |
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247 | qr = num.array([-0.30683287, 0.1071986, 0.05930515]) |
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248 | zl = zr = -0.375 |
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249 | |
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250 | edgeflux = num.zeros(3, num.float) |
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251 | H0 = 0.0 |
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252 | max_speed = flux_function(normal, ql, qr, zl, zr, edgeflux, |
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253 | epsilon, g, H0) |
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254 | |
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255 | assert num.allclose(edgeflux, [-0.04072676, -0.07096636, -0.01604364]) |
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256 | assert num.allclose(max_speed, 1.31414103233) |
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257 | |
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258 | def test_flux_computation(self): |
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259 | """test flux calculation (actual C implementation) |
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260 | |
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261 | This one tests the constant case where only the pressure term |
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262 | contributes to each edge and cancels out once the total flux has |
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263 | been summed up. |
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264 | """ |
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265 | |
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266 | a = [0.0, 0.0] |
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267 | b = [0.0, 2.0] |
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268 | c = [2.0, 0.0] |
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269 | d = [0.0, 4.0] |
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270 | e = [2.0, 2.0] |
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271 | f = [4.0, 0.0] |
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272 | |
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273 | points = [a, b, c, d, e, f] |
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274 | # bac, bce, ecf, dbe |
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275 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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276 | |
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277 | domain = Domain(points, vertices) |
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278 | domain.check_integrity() |
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279 | |
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280 | # The constant case |
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281 | domain.set_quantity('elevation', -1) |
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282 | domain.set_quantity('stage', 1) |
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283 | |
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284 | domain.compute_fluxes() |
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285 | # Central triangle |
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286 | assert num.allclose(domain.get_quantity('stage').explicit_update[1], 0) |
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287 | |
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288 | # The more general case |
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289 | def surface(x, y): |
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290 | return -x/2 |
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291 | |
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292 | domain.set_quantity('elevation', -10) |
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293 | domain.set_quantity('stage', surface) |
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294 | domain.set_quantity('xmomentum', 1) |
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295 | |
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296 | domain.compute_fluxes() |
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297 | |
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298 | #print domain.get_quantity('stage').explicit_update |
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299 | # FIXME (Ole): TODO the general case |
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300 | #assert allclose(domain.get_quantity('stage').explicit_update[1], ...??) |
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301 | |
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302 | def test_sw_domain_simple(self): |
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303 | a = [0.0, 0.0] |
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304 | b = [0.0, 2.0] |
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305 | c = [2.0, 0.0] |
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306 | d = [0.0, 4.0] |
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307 | e = [2.0, 2.0] |
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308 | f = [4.0, 0.0] |
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309 | |
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310 | points = [a, b, c, d, e, f] |
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311 | # bac, bce, ecf, dbe |
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312 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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313 | |
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314 | #from anuga.abstract_2d_finite_volumes.domain import Domain as Generic_domain |
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315 | #msg = 'The class %s is not a subclass of the generic domain class %s'\ |
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316 | # %(DomainClass, Domain) |
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317 | #assert issubclass(DomainClass, Domain), msg |
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318 | |
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319 | domain = Domain(points, vertices) |
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320 | domain.check_integrity() |
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321 | |
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322 | for name in ['stage', 'xmomentum', 'ymomentum', |
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323 | 'elevation', 'friction']: |
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324 | assert domain.quantities.has_key(name) |
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325 | |
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326 | assert num.alltrue(domain.get_conserved_quantities(0, edge=1) == 0.) |
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327 | |
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328 | def xtest_catching_negative_heights(self): |
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329 | #OBSOLETE |
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330 | |
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331 | a = [0.0, 0.0] |
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332 | b = [0.0, 2.0] |
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333 | c = [2.0, 0.0] |
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334 | d = [0.0, 4.0] |
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335 | e = [2.0, 2.0] |
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336 | f = [4.0, 0.0] |
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337 | |
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338 | points = [a, b, c, d, e, f] |
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339 | # bac, bce, ecf, dbe |
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340 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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341 | |
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342 | domain = Domain(points, vertices) |
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343 | val0 = 2. + 2.0/3 |
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344 | val1 = 4. + 4.0/3 |
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345 | val2 = 8. + 2.0/3 |
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346 | val3 = 2. + 8.0/3 |
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347 | |
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348 | zl = zr = 4 # Too large |
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349 | domain.set_quantity('elevation', zl*num.ones((4, 3), num.int)) #array default# |
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350 | domain.set_quantity('stage', [[val0, val0-1, val0-2], |
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351 | [val1, val1+1, val1], |
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352 | [val2, val2-2, val2], |
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353 | [val3-0.5, val3, val3]]) |
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354 | |
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355 | #Should fail |
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356 | try: |
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357 | domain.check_integrity() |
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358 | except: |
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359 | pass |
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360 | |
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361 | def test_get_wet_elements(self): |
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362 | a = [0.0, 0.0] |
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363 | b = [0.0, 2.0] |
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364 | c = [2.0, 0.0] |
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365 | d = [0.0, 4.0] |
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366 | e = [2.0, 2.0] |
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367 | f = [4.0, 0.0] |
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368 | |
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369 | points = [a, b, c, d, e, f] |
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370 | # bac, bce, ecf, dbe |
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371 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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372 | |
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373 | domain = Domain(points, vertices) |
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374 | |
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375 | val0 = 2. + 2.0/3 |
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376 | val1 = 4. + 4.0/3 |
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377 | val2 = 8. + 2.0/3 |
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378 | val3 = 2. + 8.0/3 |
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379 | |
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380 | zl = zr = 5 |
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381 | domain.set_quantity('elevation', zl*num.ones((4, 3), num.int)) #array default# |
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382 | domain.set_quantity('stage', [[val0, val0-1, val0-2], |
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383 | [val1, val1+1, val1], |
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384 | [val2, val2-2, val2], |
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385 | [val3-0.5, val3, val3]]) |
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386 | |
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387 | domain.check_integrity() |
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388 | |
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389 | indices = domain.get_wet_elements() |
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390 | assert num.allclose(indices, [1, 2]) |
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391 | |
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392 | indices = domain.get_wet_elements(indices=[0, 1, 3]) |
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393 | assert num.allclose(indices, [1]) |
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394 | |
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395 | def test_get_maximum_inundation_1(self): |
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396 | a = [0.0, 0.0] |
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397 | b = [0.0, 2.0] |
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398 | c = [2.0, 0.0] |
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399 | d = [0.0, 4.0] |
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400 | e = [2.0, 2.0] |
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401 | f = [4.0, 0.0] |
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402 | |
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403 | points = [a, b, c, d, e, f] |
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404 | # bac, bce, ecf, dbe |
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405 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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406 | |
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407 | domain = Domain(points, vertices) |
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408 | |
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409 | domain.set_quantity('elevation', lambda x, y: x+2*y) # 2 4 4 6 |
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410 | domain.set_quantity('stage', 3) |
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411 | |
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412 | domain.check_integrity() |
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413 | |
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414 | indices = domain.get_wet_elements() |
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415 | assert num.allclose(indices, [0]) |
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416 | |
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417 | q = domain.get_maximum_inundation_elevation() |
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418 | assert num.allclose(q, domain.get_quantity('elevation').\ |
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419 | get_values(location='centroids')[0]) |
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420 | |
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421 | x, y = domain.get_maximum_inundation_location() |
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422 | assert num.allclose([x, y], domain.get_centroid_coordinates()[0]) |
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423 | |
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424 | def test_get_maximum_inundation_2(self): |
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425 | """test_get_maximum_inundation_2(self) |
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426 | |
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427 | Test multiple wet cells with same elevation |
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428 | """ |
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429 | |
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430 | a = [0.0, 0.0] |
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431 | b = [0.0, 2.0] |
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432 | c = [2.0, 0.0] |
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433 | d = [0.0, 4.0] |
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434 | e = [2.0, 2.0] |
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435 | f = [4.0, 0.0] |
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436 | |
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437 | points = [a, b, c, d, e, f] |
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438 | # bac, bce, ecf, dbe |
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439 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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440 | |
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441 | domain = Domain(points, vertices) |
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442 | |
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443 | domain.set_quantity('elevation', lambda x, y: x+2*y) # 2 4 4 6 |
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444 | domain.set_quantity('stage', 4.1) |
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445 | |
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446 | domain.check_integrity() |
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447 | |
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448 | indices = domain.get_wet_elements() |
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449 | assert num.allclose(indices, [0, 1, 2]) |
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450 | |
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451 | q = domain.get_maximum_inundation_elevation() |
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452 | assert num.allclose(q, 4) |
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453 | |
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454 | x, y = domain.get_maximum_inundation_location() |
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455 | assert num.allclose([x, y], domain.get_centroid_coordinates()[1]) |
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456 | |
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457 | def test_get_maximum_inundation_3(self): |
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458 | """test_get_maximum_inundation_3(self) |
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459 | |
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460 | Test of real runup example: |
---|
461 | """ |
---|
462 | |
---|
463 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
464 | import rectangular_cross |
---|
465 | |
---|
466 | initial_runup_height = -0.4 |
---|
467 | final_runup_height = -0.3 |
---|
468 | |
---|
469 | #-------------------------------------------------------------- |
---|
470 | # Setup computational domain |
---|
471 | #-------------------------------------------------------------- |
---|
472 | N = 5 |
---|
473 | points, vertices, boundary = rectangular_cross(N, N) |
---|
474 | domain = Domain(points, vertices, boundary) |
---|
475 | domain.set_maximum_allowed_speed(1.0) |
---|
476 | |
---|
477 | #-------------------------------------------------------------- |
---|
478 | # Setup initial conditions |
---|
479 | #-------------------------------------------------------------- |
---|
480 | def topography(x, y): |
---|
481 | return -x/2 # linear bed slope |
---|
482 | |
---|
483 | # Use function for elevation |
---|
484 | domain.set_quantity('elevation', topography) |
---|
485 | domain.set_quantity('friction', 0.) # Zero friction |
---|
486 | # Constant negative initial stage |
---|
487 | domain.set_quantity('stage', initial_runup_height) |
---|
488 | |
---|
489 | #-------------------------------------------------------------- |
---|
490 | # Setup boundary conditions |
---|
491 | #-------------------------------------------------------------- |
---|
492 | Br = Reflective_boundary(domain) # Reflective wall |
---|
493 | Bd = Dirichlet_boundary([final_runup_height, 0, 0]) # Constant inflow |
---|
494 | |
---|
495 | # All reflective to begin with (still water) |
---|
496 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
497 | |
---|
498 | #-------------------------------------------------------------- |
---|
499 | # Test initial inundation height |
---|
500 | #-------------------------------------------------------------- |
---|
501 | |
---|
502 | indices = domain.get_wet_elements() |
---|
503 | z = domain.get_quantity('elevation').get_values(location='centroids', |
---|
504 | indices=indices) |
---|
505 | assert num.alltrue(z < initial_runup_height) |
---|
506 | |
---|
507 | q = domain.get_maximum_inundation_elevation() |
---|
508 | # First order accuracy |
---|
509 | assert num.allclose(q, initial_runup_height, rtol=1.0/N) |
---|
510 | |
---|
511 | x, y = domain.get_maximum_inundation_location() |
---|
512 | |
---|
513 | qref = domain.get_quantity('elevation').\ |
---|
514 | get_values(interpolation_points=[[x, y]]) |
---|
515 | assert num.allclose(q, qref) |
---|
516 | |
---|
517 | wet_elements = domain.get_wet_elements() |
---|
518 | wet_elevations = domain.get_quantity('elevation').\ |
---|
519 | get_values(location='centroids', |
---|
520 | indices=wet_elements) |
---|
521 | assert num.alltrue(wet_elevations < initial_runup_height) |
---|
522 | assert num.allclose(wet_elevations, z) |
---|
523 | |
---|
524 | #-------------------------------------------------------------- |
---|
525 | # Let triangles adjust |
---|
526 | #-------------------------------------------------------------- |
---|
527 | for t in domain.evolve(yieldstep = 0.1, finaltime = 1.0): |
---|
528 | pass |
---|
529 | |
---|
530 | #-------------------------------------------------------------- |
---|
531 | # Test inundation height again |
---|
532 | #-------------------------------------------------------------- |
---|
533 | indices = domain.get_wet_elements() |
---|
534 | z = domain.get_quantity('elevation').get_values(location='centroids', |
---|
535 | indices=indices) |
---|
536 | |
---|
537 | assert num.alltrue(z < initial_runup_height) |
---|
538 | |
---|
539 | q = domain.get_maximum_inundation_elevation() |
---|
540 | # First order accuracy |
---|
541 | assert num.allclose(q, initial_runup_height, rtol=1.0/N) |
---|
542 | |
---|
543 | x, y = domain.get_maximum_inundation_location() |
---|
544 | qref = domain.get_quantity('elevation').\ |
---|
545 | get_values(interpolation_points=[[x, y]]) |
---|
546 | assert num.allclose(q, qref) |
---|
547 | |
---|
548 | #-------------------------------------------------------------- |
---|
549 | # Update boundary to allow inflow |
---|
550 | #-------------------------------------------------------------- |
---|
551 | domain.set_boundary({'right': Bd}) |
---|
552 | |
---|
553 | #-------------------------------------------------------------- |
---|
554 | # Evolve system through time |
---|
555 | #-------------------------------------------------------------- |
---|
556 | for t in domain.evolve(yieldstep = 0.1, finaltime = 3.0): |
---|
557 | pass |
---|
558 | |
---|
559 | #-------------------------------------------------------------- |
---|
560 | # Test inundation height again |
---|
561 | #-------------------------------------------------------------- |
---|
562 | indices = domain.get_wet_elements() |
---|
563 | z = domain.get_quantity('elevation').\ |
---|
564 | get_values(location='centroids', indices=indices) |
---|
565 | |
---|
566 | assert num.alltrue(z < final_runup_height) |
---|
567 | |
---|
568 | q = domain.get_maximum_inundation_elevation() |
---|
569 | # First order accuracy |
---|
570 | assert num.allclose(q, final_runup_height, rtol=1.0/N) |
---|
571 | |
---|
572 | x, y = domain.get_maximum_inundation_location() |
---|
573 | qref = domain.get_quantity('elevation').\ |
---|
574 | get_values(interpolation_points=[[x, y]]) |
---|
575 | assert num.allclose(q, qref) |
---|
576 | |
---|
577 | wet_elements = domain.get_wet_elements() |
---|
578 | wet_elevations = domain.get_quantity('elevation').\ |
---|
579 | get_values(location='centroids', |
---|
580 | indices=wet_elements) |
---|
581 | assert num.alltrue(wet_elevations < final_runup_height) |
---|
582 | assert num.allclose(wet_elevations, z) |
---|
583 | |
---|
584 | def test_get_maximum_inundation_from_sww(self): |
---|
585 | """test_get_maximum_inundation_from_sww(self) |
---|
586 | |
---|
587 | Test of get_maximum_inundation_elevation() |
---|
588 | and get_maximum_inundation_location() from data_manager.py |
---|
589 | |
---|
590 | This is based on test_get_maximum_inundation_3(self) but works with the |
---|
591 | stored results instead of with the internal data structure. |
---|
592 | |
---|
593 | This test uses the underlying get_maximum_inundation_data for tests |
---|
594 | """ |
---|
595 | |
---|
596 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
597 | import rectangular_cross |
---|
598 | from data_manager import get_maximum_inundation_elevation |
---|
599 | from data_manager import get_maximum_inundation_location |
---|
600 | from data_manager import get_maximum_inundation_data |
---|
601 | |
---|
602 | initial_runup_height = -0.4 |
---|
603 | final_runup_height = -0.3 |
---|
604 | |
---|
605 | #-------------------------------------------------------------- |
---|
606 | # Setup computational domain |
---|
607 | #-------------------------------------------------------------- |
---|
608 | N = 10 |
---|
609 | points, vertices, boundary = rectangular_cross(N, N) |
---|
610 | domain = Domain(points, vertices, boundary) |
---|
611 | domain.set_name('runup_test') |
---|
612 | domain.set_maximum_allowed_speed(1.0) |
---|
613 | |
---|
614 | # FIXME: This works better with old limiters so far |
---|
615 | domain.tight_slope_limiters = 0 |
---|
616 | |
---|
617 | #-------------------------------------------------------------- |
---|
618 | # Setup initial conditions |
---|
619 | #-------------------------------------------------------------- |
---|
620 | def topography(x, y): |
---|
621 | return -x/2 # linear bed slope |
---|
622 | |
---|
623 | # Use function for elevation |
---|
624 | domain.set_quantity('elevation', topography) |
---|
625 | domain.set_quantity('friction', 0.) # Zero friction |
---|
626 | # Constant negative initial stage |
---|
627 | domain.set_quantity('stage', initial_runup_height) |
---|
628 | |
---|
629 | #-------------------------------------------------------------- |
---|
630 | # Setup boundary conditions |
---|
631 | #-------------------------------------------------------------- |
---|
632 | Br = Reflective_boundary(domain) # Reflective wall |
---|
633 | Bd = Dirichlet_boundary([final_runup_height, 0, 0]) # Constant inflow |
---|
634 | |
---|
635 | # All reflective to begin with (still water) |
---|
636 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
637 | |
---|
638 | #-------------------------------------------------------------- |
---|
639 | # Test initial inundation height |
---|
640 | #-------------------------------------------------------------- |
---|
641 | indices = domain.get_wet_elements() |
---|
642 | z = domain.get_quantity('elevation').\ |
---|
643 | get_values(location='centroids', indices=indices) |
---|
644 | assert num.alltrue(z < initial_runup_height) |
---|
645 | |
---|
646 | q_ref = domain.get_maximum_inundation_elevation() |
---|
647 | # First order accuracy |
---|
648 | assert num.allclose(q_ref, initial_runup_height, rtol=1.0/N) |
---|
649 | |
---|
650 | #-------------------------------------------------------------- |
---|
651 | # Let triangles adjust |
---|
652 | #-------------------------------------------------------------- |
---|
653 | for t in domain.evolve(yieldstep = 0.1, finaltime = 1.0): |
---|
654 | pass |
---|
655 | |
---|
656 | #-------------------------------------------------------------- |
---|
657 | # Test inundation height again |
---|
658 | #-------------------------------------------------------------- |
---|
659 | q_ref = domain.get_maximum_inundation_elevation() |
---|
660 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
661 | msg = 'We got %f, should have been %f' % (q, q_ref) |
---|
662 | assert num.allclose(q, q_ref, rtol=1.0/N), msg |
---|
663 | |
---|
664 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
665 | msg = 'We got %f, should have been %f' % (q, initial_runup_height) |
---|
666 | assert num.allclose(q, initial_runup_height, rtol = 1.0/N), msg |
---|
667 | |
---|
668 | # Test error condition if time interval is out |
---|
669 | try: |
---|
670 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
671 | time_interval=[2.0, 3.0]) |
---|
672 | except ValueError: |
---|
673 | pass |
---|
674 | else: |
---|
675 | msg = 'should have caught wrong time interval' |
---|
676 | raise Exception, msg |
---|
677 | |
---|
678 | # Check correct time interval |
---|
679 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
680 | time_interval=[0.0, 3.0]) |
---|
681 | msg = 'We got %f, should have been %f' % (q, initial_runup_height) |
---|
682 | assert num.allclose(q, initial_runup_height, rtol = 1.0/N), msg |
---|
683 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
684 | |
---|
685 | #-------------------------------------------------------------- |
---|
686 | # Update boundary to allow inflow |
---|
687 | #-------------------------------------------------------------- |
---|
688 | domain.set_boundary({'right': Bd}) |
---|
689 | |
---|
690 | #-------------------------------------------------------------- |
---|
691 | # Evolve system through time |
---|
692 | #-------------------------------------------------------------- |
---|
693 | q_max = None |
---|
694 | for t in domain.evolve(yieldstep = 0.1, finaltime = 3.0, |
---|
695 | skip_initial_step = True): |
---|
696 | q = domain.get_maximum_inundation_elevation() |
---|
697 | if q > q_max: |
---|
698 | q_max = q |
---|
699 | |
---|
700 | #-------------------------------------------------------------- |
---|
701 | # Test inundation height again |
---|
702 | #-------------------------------------------------------------- |
---|
703 | indices = domain.get_wet_elements() |
---|
704 | z = domain.get_quantity('elevation').\ |
---|
705 | get_values(location='centroids', indices=indices) |
---|
706 | |
---|
707 | assert num.alltrue(z < final_runup_height) |
---|
708 | |
---|
709 | q = domain.get_maximum_inundation_elevation() |
---|
710 | # First order accuracy |
---|
711 | assert num.allclose(q, final_runup_height, rtol=1.0/N) |
---|
712 | |
---|
713 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
714 | time_interval=[3.0, 3.0]) |
---|
715 | msg = 'We got %f, should have been %f' % (q, final_runup_height) |
---|
716 | assert num.allclose(q, final_runup_height, rtol=1.0/N), msg |
---|
717 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
718 | |
---|
719 | q = get_maximum_inundation_elevation('runup_test.sww') |
---|
720 | loc = get_maximum_inundation_location('runup_test.sww') |
---|
721 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
722 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
723 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
724 | |
---|
725 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
726 | time_interval=[0, 3]) |
---|
727 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
728 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
729 | |
---|
730 | # Check polygon mode |
---|
731 | # Runup region |
---|
732 | polygon = [[0.3, 0.0], [0.9, 0.0], [0.9, 1.0], [0.3, 1.0]] |
---|
733 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
734 | polygon = polygon, |
---|
735 | time_interval=[0, 3]) |
---|
736 | msg = 'We got %f, should have been %f' % (q, q_max) |
---|
737 | assert num.allclose(q, q_max, rtol=1.0/N), msg |
---|
738 | |
---|
739 | # Offshore region |
---|
740 | polygon = [[0.9, 0.0], [1.0, 0.0], [1.0, 1.0], [0.9, 1.0]] |
---|
741 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
742 | polygon = polygon, |
---|
743 | time_interval=[0, 3]) |
---|
744 | msg = 'We got %f, should have been %f' % (q, -0.475) |
---|
745 | assert num.allclose(q, -0.475, rtol=1.0/N), msg |
---|
746 | assert is_inside_polygon(loc, polygon) |
---|
747 | assert num.allclose(-loc[0]/2, q) # From topography formula |
---|
748 | |
---|
749 | # Dry region |
---|
750 | polygon = [[0.0, 0.0], [0.4, 0.0], [0.4, 1.0], [0.0, 1.0]] |
---|
751 | q, loc = get_maximum_inundation_data('runup_test.sww', |
---|
752 | polygon = polygon, |
---|
753 | time_interval=[0, 3]) |
---|
754 | msg = 'We got %s, should have been None' % (q) |
---|
755 | assert q is None, msg |
---|
756 | msg = 'We got %s, should have been None' % (loc) |
---|
757 | assert loc is None, msg |
---|
758 | |
---|
759 | # Check what happens if no time point is within interval |
---|
760 | try: |
---|
761 | q = get_maximum_inundation_elevation('runup_test.sww', |
---|
762 | time_interval=[2.75, 2.75]) |
---|
763 | except AssertionError: |
---|
764 | pass |
---|
765 | else: |
---|
766 | msg = 'Time interval should have raised an exception' |
---|
767 | raise Exception, msg |
---|
768 | |
---|
769 | # Cleanup |
---|
770 | try: |
---|
771 | os.remove(domain.get_name() + '.sww') |
---|
772 | except: |
---|
773 | pass |
---|
774 | #FIXME(Ole): Windows won't allow removal of this |
---|
775 | |
---|
776 | |
---|
777 | |
---|
778 | |
---|
779 | |
---|
780 | def test_another_runup_example(self): |
---|
781 | """test_another_runup_example |
---|
782 | |
---|
783 | Test runup example where actual timeseries at interpolated |
---|
784 | points are tested. |
---|
785 | """ |
---|
786 | |
---|
787 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
788 | from anuga.abstract_2d_finite_volumes.mesh_factory \ |
---|
789 | import rectangular_cross |
---|
790 | from anuga.shallow_water import Domain |
---|
791 | from anuga.shallow_water import Reflective_boundary |
---|
792 | from anuga.shallow_water import Dirichlet_boundary |
---|
793 | |
---|
794 | #----------------------------------------------------------------- |
---|
795 | # Setup computational domain |
---|
796 | #----------------------------------------------------------------- |
---|
797 | points, vertices, boundary = rectangular_cross(10, 10) # Basic mesh |
---|
798 | domain = Domain(points, vertices, boundary) # Create domain |
---|
799 | domain.set_default_order(2) |
---|
800 | domain.set_quantities_to_be_stored(None) |
---|
801 | domain.H0 = 1.0e-3 |
---|
802 | |
---|
803 | #----------------------------------------------------------------- |
---|
804 | # Setup initial conditions |
---|
805 | #----------------------------------------------------------------- |
---|
806 | def topography(x, y): |
---|
807 | return -x/2 # linear bed slope |
---|
808 | |
---|
809 | domain.set_quantity('elevation', topography) |
---|
810 | domain.set_quantity('friction', 0.0) |
---|
811 | domain.set_quantity('stage', expression='elevation') |
---|
812 | |
---|
813 | #---------------------------------------------------------------- |
---|
814 | # Setup boundary conditions |
---|
815 | #---------------------------------------------------------------- |
---|
816 | Br = Reflective_boundary(domain) # Solid reflective wall |
---|
817 | Bd = Dirichlet_boundary([-0.2, 0., 0.]) # Constant boundary values |
---|
818 | domain.set_boundary({'left': Br, 'right': Bd, 'top': Br, 'bottom': Br}) |
---|
819 | |
---|
820 | #---------------------------------------------------------------- |
---|
821 | # Evolve system through time |
---|
822 | #---------------------------------------------------------------- |
---|
823 | interpolation_points = [[0.4,0.5], [0.6,0.5], [0.8,0.5], [0.9,0.5]] |
---|
824 | gauge_values = [] |
---|
825 | for _ in interpolation_points: |
---|
826 | gauge_values.append([]) |
---|
827 | |
---|
828 | time = [] |
---|
829 | for t in domain.evolve(yieldstep=0.1, finaltime=5.0): |
---|
830 | # Record time series at known points |
---|
831 | time.append(domain.get_time()) |
---|
832 | |
---|
833 | stage = domain.get_quantity('stage') |
---|
834 | w = stage.get_values(interpolation_points=interpolation_points) |
---|
835 | |
---|
836 | for i, _ in enumerate(interpolation_points): |
---|
837 | gauge_values[i].append(w[i]) |
---|
838 | |
---|
839 | #Reference (nautilus 26/6/2008) |
---|
840 | |
---|
841 | 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] |
---|
842 | |
---|
843 | 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] |
---|
844 | |
---|
845 | |
---|
846 | 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] |
---|
847 | |
---|
848 | 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] |
---|
849 | |
---|
850 | assert num.allclose(gauge_values[0], G0) |
---|
851 | assert num.allclose(gauge_values[1], G1) |
---|
852 | assert num.allclose(gauge_values[2], G2) |
---|
853 | assert num.allclose(gauge_values[3], G3) |
---|
854 | |
---|
855 | ##################################################### |
---|
856 | |
---|
857 | |
---|
858 | def test_initial_condition(self): |
---|
859 | """test_initial_condition |
---|
860 | |
---|
861 | Test that initial condition is output at time == 0 and that |
---|
862 | computed values change as system evolves |
---|
863 | """ |
---|
864 | |
---|
865 | from anuga.config import g |
---|
866 | import copy |
---|
867 | |
---|
868 | a = [0.0, 0.0] |
---|
869 | b = [0.0, 2.0] |
---|
870 | c = [2.0, 0.0] |
---|
871 | d = [0.0, 4.0] |
---|
872 | e = [2.0, 2.0] |
---|
873 | f = [4.0, 0.0] |
---|
874 | |
---|
875 | points = [a, b, c, d, e, f] |
---|
876 | # bac, bce, ecf, dbe |
---|
877 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
---|
878 | |
---|
879 | domain = Domain(points, vertices) |
---|
880 | |
---|
881 | #Set up for a gradient of (3,0) at mid triangle (bce) |
---|
882 | def slope(x, y): |
---|
883 | return 3*x |
---|
884 | |
---|
885 | h = 0.1 |
---|
886 | def stage(x, y): |
---|
887 | return slope(x, y) + h |
---|
888 | |
---|
889 | domain.set_quantity('elevation', slope) |
---|
890 | domain.set_quantity('stage', stage) |
---|
891 | |
---|
892 | # Allow slope limiters to work |
---|
893 | # (FIXME (Ole): Shouldn't this be automatic in ANUGA?) |
---|
894 | domain.distribute_to_vertices_and_edges() |
---|
895 | |
---|
896 | initial_stage = copy.copy(domain.quantities['stage'].vertex_values) |
---|
897 | |
---|
898 | domain.set_boundary({'exterior': Reflective_boundary(domain)}) |
---|
899 | |
---|
900 | domain.optimise_dry_cells = True |
---|
901 | |
---|
902 | #Evolution |
---|
903 | for t in domain.evolve(yieldstep=0.5, finaltime=2.0): |
---|
904 | stage = domain.quantities['stage'].vertex_values |
---|
905 | |
---|
906 | if t == 0.0: |
---|
907 | assert num.allclose(stage, initial_stage) |
---|
908 | else: |
---|
909 | assert not num.allclose(stage, initial_stage) |
---|
910 | |
---|
911 | os.remove(domain.get_name() + '.sww') |
---|
912 | |
---|
913 | ##################################################### |
---|
914 | |
---|
915 | def test_second_order_flat_bed_onestep(self): |
---|
916 | from mesh_factory import rectangular |
---|
917 | |
---|
918 | #Create basic mesh |
---|
919 | points, vertices, boundary = rectangular(6, 6) |
---|
920 | |
---|
921 | #Create shallow water domain |
---|
922 | domain = Domain(points, vertices, boundary) |
---|
923 | domain.smooth = False |
---|
924 | domain.default_order = 2 |
---|
925 | domain.beta_w = 0.9 |
---|
926 | domain.beta_w_dry = 0.9 |
---|
927 | domain.beta_uh = 0.9 |
---|
928 | domain.beta_uh_dry = 0.9 |
---|
929 | domain.beta_vh = 0.9 |
---|
930 | domain.beta_vh_dry = 0.9 |
---|
931 | domain.H0 = 1.0e-3 |
---|
932 | |
---|
933 | # Boundary conditions |
---|
934 | Br = Reflective_boundary(domain) |
---|
935 | Bd = Dirichlet_boundary([0.1, 0., 0.]) |
---|
936 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
937 | |
---|
938 | domain.check_integrity() |
---|
939 | |
---|
940 | # Evolution |
---|
941 | for t in domain.evolve(yieldstep=0.05, finaltime=0.05): |
---|
942 | pass |
---|
943 | |
---|
944 | # Data from earlier version of abstract_2d_finite_volumes |
---|
945 | assert num.allclose(domain.recorded_min_timestep, 0.0396825396825) |
---|
946 | assert num.allclose(domain.recorded_max_timestep, 0.0396825396825) |
---|
947 | |
---|
948 | msg = ("domain.quantities['stage'].centroid_values[:12]=%s" |
---|
949 | % str(domain.quantities['stage'].centroid_values[:12])) |
---|
950 | assert num.allclose(domain.quantities['stage'].centroid_values[:12], |
---|
951 | [0.00171396, 0.02656103, 0.00241523, 0.02656103, |
---|
952 | 0.00241523, 0.02656103, 0.00241523, 0.02656103, |
---|
953 | 0.00241523, 0.02656103, 0.00241523, 0.0272623]), msg |
---|
954 | |
---|
955 | domain.distribute_to_vertices_and_edges() |
---|
956 | |
---|
957 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,0], |
---|
958 | [0.001, 0.02656103, 0.001, 0.02656103, 0.001, 0.02656103, |
---|
959 | 0.001, 0.02656103, 0.001, 0.02656103, 0.001, 0.0272623]) |
---|
960 | |
---|
961 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,1], |
---|
962 | [0.00237867, 0.02656103, 0.001, 0.02656103, 0.001, |
---|
963 | 0.02656103, 0.001, 0.02656103, 0.001, 0.02656103, |
---|
964 | 0.00110647, 0.0272623]) |
---|
965 | |
---|
966 | assert num.allclose(domain.quantities['stage'].vertex_values[:12,2], |
---|
967 | [0.00176321, 0.02656103, 0.00524568, |
---|
968 | 0.02656103, 0.00524568, 0.02656103, |
---|
969 | 0.00524568, 0.02656103, 0.00524568, |
---|
970 | 0.02656103, 0.00513921, 0.0272623]) |
---|
971 | |
---|
972 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:12], |
---|
973 | [0.00113961, 0.01302432, 0.00148672, |
---|
974 | 0.01302432, 0.00148672, 0.01302432, |
---|
975 | 0.00148672, 0.01302432, 0.00148672 , |
---|
976 | 0.01302432, 0.00148672, 0.01337143]) |
---|
977 | |
---|
978 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:12], |
---|
979 | [-2.91240050e-004 , 1.22721531e-004, |
---|
980 | -1.22721531e-004, 1.22721531e-004 , |
---|
981 | -1.22721531e-004, 1.22721531e-004, |
---|
982 | -1.22721531e-004 , 1.22721531e-004, |
---|
983 | -1.22721531e-004, 1.22721531e-004, |
---|
984 | -1.22721531e-004, -4.57969873e-005]) |
---|
985 | |
---|
986 | os.remove(domain.get_name() + '.sww') |
---|
987 | |
---|
988 | def test_second_order_flat_bed_moresteps(self): |
---|
989 | from mesh_factory import rectangular |
---|
990 | |
---|
991 | # Create basic mesh |
---|
992 | points, vertices, boundary = rectangular(6, 6) |
---|
993 | |
---|
994 | # Create shallow water domain |
---|
995 | domain = Domain(points, vertices, boundary) |
---|
996 | domain.smooth = False |
---|
997 | domain.default_order = 2 |
---|
998 | |
---|
999 | # Boundary conditions |
---|
1000 | Br = Reflective_boundary(domain) |
---|
1001 | Bd = Dirichlet_boundary([0.1, 0., 0.]) |
---|
1002 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1003 | |
---|
1004 | domain.check_integrity() |
---|
1005 | |
---|
1006 | # Evolution |
---|
1007 | for t in domain.evolve(yieldstep=0.05, finaltime=0.1): |
---|
1008 | pass |
---|
1009 | |
---|
1010 | # Data from earlier version of abstract_2d_finite_volumes |
---|
1011 | #assert allclose(domain.recorded_min_timestep, 0.0396825396825) |
---|
1012 | #assert allclose(domain.recorded_max_timestep, 0.0396825396825) |
---|
1013 | #print domain.quantities['stage'].centroid_values |
---|
1014 | |
---|
1015 | os.remove(domain.get_name() + '.sww') |
---|
1016 | |
---|
1017 | def test_flatbed_first_order(self): |
---|
1018 | from mesh_factory import rectangular |
---|
1019 | |
---|
1020 | # Create basic mesh |
---|
1021 | N = 8 |
---|
1022 | points, vertices, boundary = rectangular(N, N) |
---|
1023 | |
---|
1024 | # Create shallow water domain |
---|
1025 | domain = Domain(points, vertices, boundary) |
---|
1026 | domain.smooth = False |
---|
1027 | domain.default_order = 1 |
---|
1028 | domain.H0 = 1.0e-3 # As suggested in the manual |
---|
1029 | |
---|
1030 | # Boundary conditions |
---|
1031 | Br = Reflective_boundary(domain) |
---|
1032 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
1033 | |
---|
1034 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1035 | domain.check_integrity() |
---|
1036 | |
---|
1037 | # Evolution |
---|
1038 | for t in domain.evolve(yieldstep=0.02, finaltime=0.5): |
---|
1039 | pass |
---|
1040 | |
---|
1041 | # FIXME: These numbers were from version before 25/10 |
---|
1042 | #assert allclose(domain.recorded_min_timestep, 0.0140413643926) |
---|
1043 | #assert allclose(domain.recorded_max_timestep, 0.0140947355753) |
---|
1044 | |
---|
1045 | for i in range(3): |
---|
1046 | #assert allclose(domain.quantities['stage'].edge_values[:4,i], |
---|
1047 | # [0.10730244,0.12337617,0.11200126,0.12605666]) |
---|
1048 | assert num.allclose(domain.quantities['xmomentum'].\ |
---|
1049 | edge_values[:4,i], |
---|
1050 | [0.07610894,0.06901572,0.07284461,0.06819712]) |
---|
1051 | #assert allclose(domain.quantities['ymomentum'].edge_values[:4,i], |
---|
1052 | # [-0.0060238, -0.00157404, -0.00309633, -0.0001637]) |
---|
1053 | |
---|
1054 | os.remove(domain.get_name() + '.sww') |
---|
1055 | |
---|
1056 | def test_flatbed_second_order(self): |
---|
1057 | from mesh_factory import rectangular |
---|
1058 | |
---|
1059 | # Create basic mesh |
---|
1060 | N = 8 |
---|
1061 | points, vertices, boundary = rectangular(N, N) |
---|
1062 | |
---|
1063 | # Create shallow water domain |
---|
1064 | domain = Domain(points, vertices, boundary) |
---|
1065 | domain.set_store_vertices_uniquely(True) |
---|
1066 | domain.set_default_order(2) |
---|
1067 | |
---|
1068 | # Boundary conditions |
---|
1069 | Br = Reflective_boundary(domain) |
---|
1070 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
1071 | |
---|
1072 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1073 | domain.check_integrity() |
---|
1074 | |
---|
1075 | # Evolution |
---|
1076 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
1077 | pass |
---|
1078 | |
---|
1079 | msg = 'min step was %f instead of %f' % (domain.recorded_min_timestep, |
---|
1080 | 0.0210448446782) |
---|
1081 | |
---|
1082 | assert num.allclose(domain.recorded_min_timestep, 0.0210448446782), msg |
---|
1083 | assert num.allclose(domain.recorded_max_timestep, 0.0210448446782) |
---|
1084 | |
---|
1085 | # Slight change due to flux limiter optimisation 28/5/9 |
---|
1086 | assert num.allclose(domain.quantities['stage'].vertex_values[:4,0], |
---|
1087 | [0.001, 0.05350737, 0.001, 0.0535293]) |
---|
1088 | |
---|
1089 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
1090 | [0.00090268, 0.03684904, 0.00084545, 0.03686323]) |
---|
1091 | |
---|
1092 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
1093 | [ -1.97318203e-04, 6.10268320e-04, -6.18053986e-05, 6.14082609e-04]) |
---|
1094 | |
---|
1095 | os.remove(domain.get_name() + '.sww') |
---|
1096 | |
---|
1097 | |
---|
1098 | def test_flatbed_second_order_vmax_0(self): |
---|
1099 | from mesh_factory import rectangular |
---|
1100 | |
---|
1101 | # Create basic mesh |
---|
1102 | N = 8 |
---|
1103 | points, vertices, boundary = rectangular(N, N) |
---|
1104 | |
---|
1105 | # Create shallow water domain |
---|
1106 | domain = Domain(points, vertices, boundary) |
---|
1107 | |
---|
1108 | domain.set_store_vertices_uniquely(True) |
---|
1109 | domain.set_default_order(2) |
---|
1110 | |
---|
1111 | |
---|
1112 | # Boundary conditions |
---|
1113 | Br = Reflective_boundary(domain) |
---|
1114 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
1115 | |
---|
1116 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1117 | domain.check_integrity() |
---|
1118 | |
---|
1119 | # Evolution |
---|
1120 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
1121 | pass |
---|
1122 | |
---|
1123 | |
---|
1124 | assert num.allclose(domain.recorded_min_timestep, 0.0210448446782) |
---|
1125 | assert num.allclose(domain.recorded_max_timestep, 0.0210448446782) |
---|
1126 | |
---|
1127 | |
---|
1128 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
1129 | [0.00090268, 0.03684904, 0.00084545, 0.03686323]) |
---|
1130 | |
---|
1131 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
1132 | [ -1.97318203e-04, 6.10268320e-04, -6.18053986e-05, 6.14082609e-04]) |
---|
1133 | |
---|
1134 | os.remove(domain.get_name() + '.sww') |
---|
1135 | |
---|
1136 | def test_flatbed_second_order_distribute(self): |
---|
1137 | #Use real data from anuga.abstract_2d_finite_volumes 2 |
---|
1138 | #painfully setup and extracted. |
---|
1139 | |
---|
1140 | from mesh_factory import rectangular |
---|
1141 | |
---|
1142 | # Create basic mesh |
---|
1143 | N = 8 |
---|
1144 | points, vertices, boundary = rectangular(N, N) |
---|
1145 | |
---|
1146 | # Create shallow water domain |
---|
1147 | domain = Domain(points, vertices, boundary) |
---|
1148 | |
---|
1149 | domain.set_store_vertices_uniquely(True) |
---|
1150 | domain.set_default_order(2) |
---|
1151 | |
---|
1152 | # Boundary conditions |
---|
1153 | Br = Reflective_boundary(domain) |
---|
1154 | Bd = Dirichlet_boundary([0.2, 0., 0.]) |
---|
1155 | |
---|
1156 | domain.set_boundary({'left': Bd, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1157 | domain.check_integrity() |
---|
1158 | |
---|
1159 | for V in [False, True]: |
---|
1160 | if V: |
---|
1161 | # Set centroids as if system had been evolved |
---|
1162 | L = num.zeros(2*N*N, num.float) |
---|
1163 | L[:32] = [7.21205592e-003, 5.35214298e-002, 1.00910824e-002, |
---|
1164 | 5.35439433e-002, 1.00910824e-002, 5.35439433e-002, |
---|
1165 | 1.00910824e-002, 5.35439433e-002, 1.00910824e-002, |
---|
1166 | 5.35439433e-002, 1.00910824e-002, 5.35439433e-002, |
---|
1167 | 1.00910824e-002, 5.35393928e-002, 1.02344264e-002, |
---|
1168 | 5.59605058e-002, 0.00000000e+000, 3.31027800e-004, |
---|
1169 | 0.00000000e+000, 4.37962142e-005, 0.00000000e+000, |
---|
1170 | 4.37962142e-005, 0.00000000e+000, 4.37962142e-005, |
---|
1171 | 0.00000000e+000, 4.37962142e-005, 0.00000000e+000, |
---|
1172 | 4.37962142e-005, 0.00000000e+000, 4.37962142e-005, |
---|
1173 | 0.00000000e+000, 5.57305948e-005] |
---|
1174 | |
---|
1175 | X = num.zeros(2*N*N, num.float) |
---|
1176 | X[:32] = [6.48351607e-003, 3.68571894e-002, 8.50733285e-003, |
---|
1177 | 3.68731327e-002, 8.50733285e-003, 3.68731327e-002, |
---|
1178 | 8.50733285e-003, 3.68731327e-002, 8.50733285e-003, |
---|
1179 | 3.68731327e-002, 8.50733285e-003, 3.68731327e-002, |
---|
1180 | 8.50733285e-003, 3.68693861e-002, 8.65220973e-003, |
---|
1181 | 3.85055387e-002, 0.00000000e+000, 2.86060840e-004, |
---|
1182 | 0.00000000e+000, 3.58905503e-005, 0.00000000e+000, |
---|
1183 | 3.58905503e-005, 0.00000000e+000, 3.58905503e-005, |
---|
1184 | 0.00000000e+000, 3.58905503e-005, 0.00000000e+000, |
---|
1185 | 3.58905503e-005, 0.00000000e+000, 3.58905503e-005, |
---|
1186 | 0.00000000e+000, 4.57662812e-005] |
---|
1187 | |
---|
1188 | Y = num.zeros(2*N*N, num.float) |
---|
1189 | Y[:32] = [-1.39463104e-003, 6.15600298e-004, -6.03637382e-004, |
---|
1190 | 6.18272251e-004, -6.03637382e-004, 6.18272251e-004, |
---|
1191 | -6.03637382e-004, 6.18272251e-004, -6.03637382e-004, |
---|
1192 | 6.18272251e-004, -6.03637382e-004, 6.18272251e-004, |
---|
1193 | -6.03637382e-004, 6.18599320e-004, -6.74622797e-004, |
---|
1194 | -1.48934756e-004, 0.00000000e+000, -5.35079969e-005, |
---|
1195 | 0.00000000e+000, -2.57264987e-005, 0.00000000e+000, |
---|
1196 | -2.57264987e-005, 0.00000000e+000, -2.57264987e-005, |
---|
1197 | 0.00000000e+000, -2.57264987e-005, 0.00000000e+000, |
---|
1198 | -2.57264987e-005, 0.00000000e+000, -2.57264987e-005, |
---|
1199 | 0.00000000e+000, -2.57635178e-005] |
---|
1200 | |
---|
1201 | domain.set_quantity('stage', L, location='centroids') |
---|
1202 | domain.set_quantity('xmomentum', X, location='centroids') |
---|
1203 | domain.set_quantity('ymomentum', Y, location='centroids') |
---|
1204 | |
---|
1205 | domain.check_integrity() |
---|
1206 | else: |
---|
1207 | # Evolution |
---|
1208 | for t in domain.evolve(yieldstep=0.01, finaltime=0.03): |
---|
1209 | pass |
---|
1210 | assert num.allclose(domain.recorded_min_timestep, 0.0210448446782) |
---|
1211 | assert num.allclose(domain.recorded_max_timestep, 0.0210448446782) |
---|
1212 | |
---|
1213 | #print domain.quantities['stage'].centroid_values[:4] |
---|
1214 | #print domain.quantities['xmomentum'].centroid_values[:4] |
---|
1215 | #print domain.quantities['ymomentum'].centroid_values[:4] |
---|
1216 | |
---|
1217 | #Centroids were correct but not vertices. |
---|
1218 | #Hence the check of distribute below. |
---|
1219 | |
---|
1220 | if not V: |
---|
1221 | assert num.allclose(domain.quantities['stage'].centroid_values[:4], |
---|
1222 | [0.00725574, 0.05350737, 0.01008413, 0.0535293]) |
---|
1223 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:4], |
---|
1224 | [0.00654964, 0.03684904, 0.00852561, 0.03686323]) |
---|
1225 | |
---|
1226 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:4], |
---|
1227 | [-0.00143169, 0.00061027, -0.00062325, 0.00061408]) |
---|
1228 | |
---|
1229 | |
---|
1230 | |
---|
1231 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[17], 0.0) |
---|
1232 | else: |
---|
1233 | assert num.allclose(domain.quantities['xmomentum'].\ |
---|
1234 | centroid_values[17], |
---|
1235 | 0.00028606084) |
---|
1236 | return #FIXME - Bailout for V True |
---|
1237 | |
---|
1238 | import copy |
---|
1239 | |
---|
1240 | XX = copy.copy(domain.quantities['xmomentum'].centroid_values) |
---|
1241 | assert num.allclose(domain.quantities['xmomentum'].centroid_values, |
---|
1242 | XX) |
---|
1243 | |
---|
1244 | domain.distribute_to_vertices_and_edges() |
---|
1245 | |
---|
1246 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[17], 0.0) |
---|
1247 | |
---|
1248 | assert num.allclose(domain.quantities['ymomentum'].vertex_values[:4,0], |
---|
1249 | [-1.97318203e-04, 6.10268320e-04, -6.18053986e-05, 6.14082609e-04]) |
---|
1250 | |
---|
1251 | assert num.allclose(domain.quantities['xmomentum'].vertex_values[:4,0], |
---|
1252 | [0.00090268, 0.03684904, 0.00084545, 0.03686323]) |
---|
1253 | |
---|
1254 | |
---|
1255 | os.remove(domain.get_name() + '.sww') |
---|
1256 | |
---|
1257 | |
---|
1258 | def test_bedslope_problem_second_order_more_steps(self): |
---|
1259 | """test_bedslope_problem_second_order_more_step |
---|
1260 | |
---|
1261 | Test shallow water balanced finite volumes |
---|
1262 | """ |
---|
1263 | |
---|
1264 | from mesh_factory import rectangular |
---|
1265 | |
---|
1266 | # Create basic mesh |
---|
1267 | points, vertices, boundary = rectangular(6, 6) |
---|
1268 | |
---|
1269 | # Create shallow water domain |
---|
1270 | domain = Domain(points, vertices, boundary) |
---|
1271 | |
---|
1272 | domain.set_store_vertices_uniquely(True) |
---|
1273 | domain.set_default_order(2) |
---|
1274 | |
---|
1275 | # Bed-slope and friction at vertices (and interpolated elsewhere) |
---|
1276 | def x_slope(x, y): |
---|
1277 | return -x/3 |
---|
1278 | |
---|
1279 | domain.set_quantity('elevation', x_slope) |
---|
1280 | |
---|
1281 | # Boundary conditions |
---|
1282 | Br = Reflective_boundary(domain) |
---|
1283 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1284 | |
---|
1285 | # Initial condition |
---|
1286 | domain.set_quantity('stage', expression='elevation+0.05') |
---|
1287 | domain.check_integrity() |
---|
1288 | |
---|
1289 | assert num.allclose(domain.quantities['stage'].centroid_values, |
---|
1290 | [ 0.01296296, 0.03148148, 0.01296296, |
---|
1291 | 0.03148148, 0.01296296, 0.03148148, |
---|
1292 | 0.01296296, 0.03148148, 0.01296296, |
---|
1293 | 0.03148148, 0.01296296, 0.03148148, |
---|
1294 | -0.04259259, -0.02407407, -0.04259259, |
---|
1295 | -0.02407407, -0.04259259, -0.02407407, |
---|
1296 | -0.04259259, -0.02407407, -0.04259259, |
---|
1297 | -0.02407407, -0.04259259, -0.02407407, |
---|
1298 | -0.09814815, -0.07962963, -0.09814815, |
---|
1299 | -0.07962963, -0.09814815, -0.07962963, |
---|
1300 | -0.09814815, -0.07962963, -0.09814815, |
---|
1301 | -0.07962963, -0.09814815, -0.07962963, |
---|
1302 | -0.1537037 , -0.13518519, -0.1537037, |
---|
1303 | -0.13518519, -0.1537037, -0.13518519, |
---|
1304 | -0.1537037 , -0.13518519, -0.1537037, |
---|
1305 | -0.13518519, -0.1537037, -0.13518519, |
---|
1306 | -0.20925926, -0.19074074, -0.20925926, |
---|
1307 | -0.19074074, -0.20925926, -0.19074074, |
---|
1308 | -0.20925926, -0.19074074, -0.20925926, |
---|
1309 | -0.19074074, -0.20925926, -0.19074074, |
---|
1310 | -0.26481481, -0.2462963, -0.26481481, |
---|
1311 | -0.2462963, -0.26481481, -0.2462963, |
---|
1312 | -0.26481481, -0.2462963, -0.26481481, |
---|
1313 | -0.2462963, -0.26481481, -0.2462963]) |
---|
1314 | |
---|
1315 | # Evolution |
---|
1316 | for t in domain.evolve(yieldstep = 0.05, finaltime = 0.5): |
---|
1317 | pass |
---|
1318 | |
---|
1319 | |
---|
1320 | |
---|
1321 | assert num.allclose(domain.quantities['stage'].centroid_values, |
---|
1322 | [-0.02901283, -0.01619385, -0.03040423, -0.01564474, -0.02936756, -0.01507953, |
---|
1323 | -0.02858108, -0.01491531, -0.02793549, -0.0147037, -0.02792804, -0.014363, |
---|
1324 | -0.07794301, -0.05951952, -0.07675098, -0.06182336, -0.07736607, -0.06079504, |
---|
1325 | -0.07696764, -0.06039043, -0.07708793, -0.0601453, -0.07669911, -0.06020719, |
---|
1326 | -0.12223185, -0.10857309, -0.12286676, -0.10837591, -0.12386938, -0.10842744, |
---|
1327 | -0.12363769, -0.10790002, -0.12304837, -0.10871278, -0.12543768, -0.10961026, |
---|
1328 | -0.15664473, -0.14630207, -0.15838364, -0.14910271, -0.15804002, -0.15029627, |
---|
1329 | -0.15829717, -0.1503869, -0.15852604, -0.14971109, -0.15856346, -0.15205092, |
---|
1330 | -0.20900931, -0.19658843, -0.20669607, -0.19558708, -0.20654186, -0.19492423, |
---|
1331 | -0.20438765, -0.19492931, -0.20644142, -0.19423147, -0.20237449, -0.19198454, |
---|
1332 | -0.13699658, -0.14209126, -0.13600697, -0.14334968, -0.1347657, -0.14224247, |
---|
1333 | -0.13442376, -0.14136926, -0.13501004, -0.14339389, -0.13479263, -0.14304073]) |
---|
1334 | |
---|
1335 | |
---|
1336 | |
---|
1337 | assert num.allclose(domain.quantities['xmomentum'].centroid_values, |
---|
1338 | [0.0053808980620685537, 0.0018623678353073116, 0.0047019894631921888, 0.002140100234595967, 0.0050544722142569594, 0.002413322128452734, 0.005489085956540414, 0.0025243661256655553, 0.0060037830243309179, 0.0026391226895162612, 0.0057883734209939882, 0.0026956732546692926, 0.015940649159142187, 0.013221882156398579, 0.015888047512240901, 0.01158701848044226, 0.01546380192164616, 0.012392900653821705, 0.01581341145685258, 0.012655591326883386, 0.015589268030001307, 0.012882167778653425, 0.016378187240908375, 0.01285389097473179, 0.033554812180096157, 0.024722935925976689, 0.031394874407697747, 0.025522168163393786, 0.030489844987314309, 0.025816648228773609, 0.03093376828330165, 0.026526382431385956, 0.031779480374536206, 0.025244211480815279, 0.02777110473340063, 0.0235612830668613, 0.072805732021172603, 0.057771452382474019, 0.070995840015208006, 0.052063135807599033, 0.071682005137710475, 0.050427261692222392, 0.071198588672075042, 0.050412342621995315, 0.071083783829814381, 0.05152744137515769, 0.071295902924896015, 0.046793561462568523, 0.08896512801938701, 0.073620532919998594, 0.09050528117516124, 0.076886136136002675, 0.089887310709307736, 0.076834171935627513, 0.090202740570079903, 0.077601818401490483, 0.091197277460468809, 0.07791128140944184, 0.091598726283965259, 0.077544779639518807, 0.020200091779226687, 0.058267129156556331, 0.026187571427719752, 0.057931516481767524, 0.025402693883943676, 0.056813327712684755, 0.024916381753277369, 0.056341859717484941, 0.024736292276481896, 0.05716071583083765, 0.026274297871292408, 0.07511805936685842]) |
---|
1339 | |
---|
1340 | |
---|
1341 | assert num.allclose(domain.quantities['ymomentum'].centroid_values, |
---|
1342 | [0.00033542456924774407, -0.00020012758197726979, -0.00033105661215122639, -0.00012291548928474255, -8.6598990751306055e-05, -5.3679813150316306e-05, 2.7774382762402742e-05, -9.3519331403178185e-05, -0.00019125171262773737, -0.00022905710988083868, -0.00038249823793758749, -5.2279522092562622e-05, -0.00032248606612494252, 8.870124179963529e-05, -0.00037840179563069224, -0.00038359452748757826, -0.0003248974462485901, -0.00012753304045182617, -0.0001591017972094672, 1.8279217568228501e-05, -6.1000546782769864e-05, -1.331229915505809e-05, -6.253286589681782e-05, -0.0002488614999307059, 0.0011988796270581575, 0.00017258171683877814, 3.4021626634331032e-05, -0.00036969454859050733, -0.00033874782370460032, -0.00031089795347570575, -0.0002999150988746842, -0.00037403606927378225, -0.00048310389377791813, -0.00010570764663927565, 0.00079563172917226932, 0.00078476438788764808, 0.0018347928776038006, 0.00072944213736041619, 0.0007060579464053257, 3.394251412720066e-05, 0.00053023191377378964, -0.00038114184186005149, 0.00037324507881442268, -0.00029480847037389904, 0.00052318790374037533, -0.00065867970688702289, -0.00047558178231081052, 0.00038297067147786805, -0.00010701572465258302, 0.0016609093113296653, 0.00072099989450924115, 0.00083723255250903368, 0.0004402978878512923, 0.00071527026447847206, 0.00061764112501907131, 0.0009682410892776223, 8.8194340495455049e-05, 0.00032386823106466095, -0.0014131220131695192, 0.00034752669349133577, -0.0017518907583968107, -0.0032179499168180402, -0.0030608351073009841, -0.0019003818511794108, -0.0019268160268303125, -0.0016355558234909565, -0.0018559374675595419, -0.0012213557447637634, -0.00195465742442113, 0.00016169839310254064, 0.0031989528671111625, -0.0018028271632022301]) |
---|
1343 | |
---|
1344 | os.remove(domain.get_name() + '.sww') |
---|
1345 | |
---|
1346 | |
---|
1347 | def test_temp_play(self): |
---|
1348 | from mesh_factory import rectangular |
---|
1349 | |
---|
1350 | # Create basic mesh |
---|
1351 | points, vertices, boundary = rectangular(5, 5) |
---|
1352 | |
---|
1353 | # Create shallow water domain |
---|
1354 | domain = Domain(points, vertices, boundary) |
---|
1355 | domain.smooth = False |
---|
1356 | domain.default_order = 2 |
---|
1357 | domain.beta_w = 0.9 |
---|
1358 | domain.beta_w_dry = 0.9 |
---|
1359 | domain.beta_uh = 0.9 |
---|
1360 | domain.beta_uh_dry = 0.9 |
---|
1361 | domain.beta_vh = 0.9 |
---|
1362 | domain.beta_vh_dry = 0.9 |
---|
1363 | |
---|
1364 | # FIXME (Ole): Need tests where these two are commented out |
---|
1365 | domain.H0 = 0 # Backwards compatibility (6/2/7) |
---|
1366 | domain.tight_slope_limiters = False # Backwards compatibility (14/4/7) |
---|
1367 | domain.use_centroid_velocities = False # Backwards compatibility (7/5/8) |
---|
1368 | domain.use_edge_limiter = False # Backwards compatibility (9/5/8) |
---|
1369 | |
---|
1370 | |
---|
1371 | # Bed-slope and friction at vertices (and interpolated elsewhere) |
---|
1372 | def x_slope(x, y): |
---|
1373 | return -x/3 |
---|
1374 | |
---|
1375 | domain.set_quantity('elevation', x_slope) |
---|
1376 | |
---|
1377 | # Boundary conditions |
---|
1378 | Br = Reflective_boundary(domain) |
---|
1379 | domain.set_boundary({'left': Br, 'right': Br, 'top': Br, 'bottom': Br}) |
---|
1380 | |
---|
1381 | # Initial condition |
---|
1382 | domain.set_quantity('stage', expression='elevation+0.05') |
---|
1383 | domain.check_integrity() |
---|
1384 | |
---|
1385 | # Evolution |
---|
1386 | for t in domain.evolve(yieldstep=0.05, finaltime=0.1): |
---|
1387 | pass |
---|
1388 | |
---|
1389 | assert num.allclose(domain.quantities['stage'].centroid_values[:4], |
---|
1390 | [0.00206836, 0.01296714, 0.00363415, 0.01438924]) |
---|
1391 | assert num.allclose(domain.quantities['xmomentum'].centroid_values[:4], |
---|
1392 | [0.01360154, 0.00671133, 0.01264578, 0.00648503]) |
---|
1393 | assert num.allclose(domain.quantities['ymomentum'].centroid_values[:4], |
---|
1394 | [-1.19201077e-003, -7.23647546e-004, |
---|
1395 | -6.39083123e-005, 6.29815168e-005]) |
---|
1396 | |
---|
1397 | os.remove(domain.get_name() + '.sww') |
---|
1398 | |
---|
1399 | def test_complex_bed(self): |
---|
1400 | # No friction is tested here |
---|
1401 | |
---|
1402 | from mesh_factory import rectangular |
---|
1403 | |
---|
1404 | N = 12 |
---|
1405 | points, vertices, boundary = rectangular(N, N/2, len1=1.2, len2=0.6, |
---|
1406 | origin=(-0.07, 0)) |
---|
1407 | |
---|
1408 | |
---|
1409 | domain = Domain(points, vertices, boundary) |
---|
1410 | domain.smooth = False |
---|
1411 | domain.default_order = 2 |
---|
1412 | |
---|
1413 | inflow_stage = 0.1 |
---|
1414 | Z = Weir(inflow_stage) |
---|
1415 | domain.set_quantity('elevation', Z) |
---|
1416 | |
---|
1417 | Br = Reflective_boundary(domain) |
---|
1418 | Bd = Dirichlet_boundary([inflow_stage, 0.0, 0.0]) |
---|
1419 | domain.set_boundary({'left': Bd, 'right': Br, 'bottom': Br, 'top': Br}) |
---|
1420 | |
---|
1421 | domain.set_quantity('stage', expression='elevation') |
---|
1422 | |
---|
1423 | for t in domain.evolve(yieldstep=0.02, finaltime=0.2): |
---|
1424 | pass |
---|
1425 | |
---|
1426 | #FIXME: These numbers were from version before 25/10 |
---|
1427 | #assert allclose(domain.quantities['stage'].centroid_values, |
---|
1428 | # [3.95822638e-002, 5.61022588e-002, 4.66437868e-002, 5.73081011e-002, |
---|
1429 | # 4.72394613e-002, 5.74684939e-002, 4.74309483e-002, 5.77458084e-002, |
---|
1430 | # 4.80628177e-002, 5.85656225e-002, 4.90498542e-002, 6.02609831e-002, |
---|
1431 | # 1.18470315e-002, 1.75136443e-002, 1.18035266e-002, 2.15565695e-002, |
---|
1432 | # 1.31620268e-002, 2.14351640e-002, 1.32351076e-002, 2.15450687e-002, |
---|
1433 | # 1.36414028e-002, 2.24274619e-002, 1.51689511e-002, 2.21789655e-002, |
---|
1434 | # -7.54337535e-003, -6.86362021e-004, -7.74146760e-003, -1.83756530e-003, |
---|
1435 | # -8.16773628e-003, -4.49916813e-004, -8.08202599e-003, -3.91118720e-004, |
---|
1436 | # -8.10292716e-003, -3.88584984e-004, -7.35226124e-003, 2.73985295e-004, |
---|
1437 | # 1.86166683e-001, 8.74070369e-002, 1.86166712e-001, 8.74035875e-002, |
---|
1438 | # 6.11666935e-002, -3.76173225e-002, -6.38333276e-002, -3.76147365e-002, |
---|
1439 | # 6.11666725e-002, 8.73846774e-002, 1.86166697e-001, 8.74171550e-002, |
---|
1440 | # -4.83333333e-002, 1.18333333e-001, -4.83333333e-002, 1.18333333e-001, |
---|
1441 | # -4.83333333e-002, -6.66666667e-003, -1.73333333e-001, -1.31666667e-001, |
---|
1442 | # -1.73333333e-001, -6.66666667e-003, -4.83333333e-002, 1.18333333e-001, |
---|
1443 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
1444 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
1445 | # -2.48333333e-001, -2.31666667e-001, -2.48333333e-001, -2.31666667e-001, |
---|
1446 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
1447 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
1448 | # -4.65000000e-001, -3.65000000e-001, -4.65000000e-001, -3.65000000e-001, |
---|
1449 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
1450 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
1451 | # -5.98333333e-001, -5.81666667e-001, -5.98333333e-001, -5.81666667e-001, |
---|
1452 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
1453 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
1454 | # -6.48333333e-001, -6.31666667e-001, -6.48333333e-001, -6.31666667e-001, |
---|
1455 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
1456 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
1457 | # -5.31666667e-001, -5.98333333e-001, -5.31666667e-001, -5.98333333e-001, |
---|
1458 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
1459 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
1460 | # -4.98333333e-001, -4.81666667e-001, -4.98333333e-001, -4.81666667e-001, |
---|
1461 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001, |
---|
1462 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001, |
---|
1463 | # -5.48333333e-001, -5.31666667e-001, -5.48333333e-001, -5.31666667e-001]) |
---|
1464 | |
---|
1465 | os.remove(domain.get_name() + '.sww') |
---|
1466 | |
---|
1467 | |
---|
1468 | def test_tight_slope_limiters(self): |
---|
1469 | """Test that new slope limiters (Feb 2007) don't induce extremely |
---|
1470 | small timesteps. This test actually reveals the problem as it |
---|
1471 | was in March-April 2007 |
---|
1472 | """ |
---|
1473 | import time, os |
---|
1474 | from Scientific.IO.NetCDF import NetCDFFile |
---|
1475 | from data_manager import extent_sww |
---|
1476 | from mesh_factory import rectangular |
---|
1477 | |
---|
1478 | # Create basic mesh |
---|
1479 | points, vertices, boundary = rectangular(2, 2) |
---|
1480 | |
---|
1481 | # Create shallow water domain |
---|
1482 | domain = Domain(points, vertices, boundary) |
---|
1483 | domain.default_order = 2 |
---|
1484 | |
---|
1485 | # This will pass |
---|
1486 | #domain.tight_slope_limiters = 1 |
---|
1487 | #domain.H0 = 0.01 |
---|
1488 | |
---|
1489 | # This will fail |
---|
1490 | #domain.tight_slope_limiters = 1 |
---|
1491 | #domain.H0 = 0.001 |
---|
1492 | |
---|
1493 | # This will pass provided C extension implements limiting of |
---|
1494 | # momentum in _compute_speeds |
---|
1495 | domain.tight_slope_limiters = 1 |
---|
1496 | domain.H0 = 0.001 |
---|
1497 | domain.protect_against_isolated_degenerate_timesteps = True |
---|
1498 | |
---|
1499 | # Set some field values |
---|
1500 | domain.set_quantity('elevation', lambda x,y: -x) |
---|
1501 | domain.set_quantity('friction', 0.03) |
---|
1502 | |
---|
1503 | # Boundary conditions |
---|
1504 | B = Transmissive_boundary(domain) |
---|
1505 | domain.set_boundary({'left': B, 'right': B, 'top': B, 'bottom': B}) |
---|
1506 | |
---|
1507 | # Initial condition - with jumps |
---|
1508 | bed = domain.quantities['elevation'].vertex_values |
---|
1509 | stage = num.zeros(bed.shape, num.float) |
---|
1510 | |
---|
1511 | h = 0.3 |
---|
1512 | for i in range(stage.shape[0]): |
---|
1513 | if i % 2 == 0: |
---|
1514 | stage[i,:] = bed[i,:] + h |
---|
1515 | else: |
---|
1516 | stage[i,:] = bed[i,:] |
---|
1517 | |
---|
1518 | domain.set_quantity('stage', stage) |
---|
1519 | |
---|
1520 | domain.distribute_to_vertices_and_edges() |
---|
1521 | |
---|
1522 | domain.set_name('tight_limiters') |
---|
1523 | domain.smooth = True |
---|
1524 | domain.reduction = mean |
---|
1525 | domain.set_datadir('.') |
---|
1526 | domain.smooth = False |
---|
1527 | domain.store = True |
---|
1528 | |
---|
1529 | # Evolution |
---|
1530 | for t in domain.evolve(yieldstep=0.1, finaltime=0.3): |
---|
1531 | #domain.write_time(track_speeds=True) |
---|
1532 | stage = domain.quantities['stage'].vertex_values |
---|
1533 | |
---|
1534 | # Get NetCDF |
---|
1535 | fid = NetCDFFile(domain.writer.filename, netcdf_mode_r) |
---|
1536 | stage_file = fid.variables['stage'] |
---|
1537 | |
---|
1538 | fid.close() |
---|
1539 | |
---|
1540 | os.remove(domain.writer.filename) |
---|
1541 | |
---|
1542 | |
---|
1543 | |
---|
1544 | def test_pmesh2Domain(self): |
---|
1545 | import os |
---|
1546 | import tempfile |
---|
1547 | |
---|
1548 | fileName = tempfile.mktemp(".tsh") |
---|
1549 | file = open(fileName, "w") |
---|
1550 | file.write("4 3 # <vertex #> <x> <y> [attributes]\n \ |
---|
1551 | 0 0.0 0.0 0.0 0.0 0.01 \n \ |
---|
1552 | 1 1.0 0.0 10.0 10.0 0.02 \n \ |
---|
1553 | 2 0.0 1.0 0.0 10.0 0.03 \n \ |
---|
1554 | 3 0.5 0.25 8.0 12.0 0.04 \n \ |
---|
1555 | # Vert att title \n \ |
---|
1556 | elevation \n \ |
---|
1557 | stage \n \ |
---|
1558 | friction \n \ |
---|
1559 | 2 # <triangle #> [<vertex #>] [<neigbouring triangle #>] \n\ |
---|
1560 | 0 0 3 2 -1 -1 1 dsg\n\ |
---|
1561 | 1 0 1 3 -1 0 -1 ole nielsen\n\ |
---|
1562 | 4 # <segment #> <vertex #> <vertex #> [boundary tag] \n\ |
---|
1563 | 0 1 0 2 \n\ |
---|
1564 | 1 0 2 3 \n\ |
---|
1565 | 2 2 3 \n\ |
---|
1566 | 3 3 1 1 \n\ |
---|
1567 | 3 0 # <x> <y> [attributes] ...Mesh Vertices... \n \ |
---|
1568 | 0 216.0 -86.0 \n \ |
---|
1569 | 1 160.0 -167.0 \n \ |
---|
1570 | 2 114.0 -91.0 \n \ |
---|
1571 | 3 # <vertex #> <vertex #> [boundary tag] ...Mesh Segments... \n \ |
---|
1572 | 0 0 1 0 \n \ |
---|
1573 | 1 1 2 0 \n \ |
---|
1574 | 2 2 0 0 \n \ |
---|
1575 | 0 # <x> <y> ...Mesh Holes... \n \ |
---|
1576 | 0 # <x> <y> <attribute>...Mesh Regions... \n \ |
---|
1577 | 0 # <x> <y> <attribute>...Mesh Regions, area... \n\ |
---|
1578 | #Geo reference \n \ |
---|
1579 | 56 \n \ |
---|
1580 | 140 \n \ |
---|
1581 | 120 \n") |
---|
1582 | file.close() |
---|
1583 | |
---|
1584 | tags = {} |
---|
1585 | b1 = Dirichlet_boundary(conserved_quantities = num.array([0.0])) |
---|
1586 | b2 = Dirichlet_boundary(conserved_quantities = num.array([1.0])) |
---|
1587 | b3 = Dirichlet_boundary(conserved_quantities = num.array([2.0])) |
---|
1588 | tags["1"] = b1 |
---|
1589 | tags["2"] = b2 |
---|
1590 | tags["3"] = b3 |
---|
1591 | |
---|
1592 | domain = Domain(mesh_filename=fileName) |
---|
1593 | # verbose=True, use_cache=True) |
---|
1594 | |
---|
1595 | ## check the quantities |
---|
1596 | answer = [[0., 8., 0.], |
---|
1597 | [0., 10., 8.]] |
---|
1598 | assert num.allclose(domain.quantities['elevation'].vertex_values, |
---|
1599 | answer) |
---|
1600 | |
---|
1601 | answer = [[0., 12., 10.], |
---|
1602 | [0., 10., 12.]] |
---|
1603 | assert num.allclose(domain.quantities['stage'].vertex_values, |
---|
1604 | answer) |
---|
1605 | |
---|
1606 | answer = [[0.01, 0.04, 0.03], |
---|
1607 | [0.01, 0.02, 0.04]] |
---|
1608 | assert num.allclose(domain.quantities['friction'].vertex_values, |
---|
1609 | answer) |
---|
1610 | |
---|
1611 | tagged_elements = domain.get_tagged_elements() |
---|
1612 | assert num.allclose(tagged_elements['dsg'][0], 0) |
---|
1613 | assert num.allclose(tagged_elements['ole nielsen'][0], 1) |
---|
1614 | |
---|
1615 | msg = "test_tags_to_boundaries failed. Single boundary wasn't added." |
---|
1616 | self.failUnless( domain.boundary[(1, 0)] == '1', msg) |
---|
1617 | self.failUnless( domain.boundary[(1, 2)] == '2', msg) |
---|
1618 | self.failUnless( domain.boundary[(0, 1)] == '3', msg) |
---|
1619 | self.failUnless( domain.boundary[(0, 0)] == 'exterior', msg) |
---|
1620 | msg = "test_pmesh2Domain Too many boundaries" |
---|
1621 | self.failUnless( len(domain.boundary) == 4, msg) |
---|
1622 | |
---|
1623 | # FIXME change to use get_xllcorner |
---|
1624 | msg = 'Bad geo-reference' |
---|
1625 | self.failUnless(domain.geo_reference.xllcorner == 140.0, msg) |
---|
1626 | |
---|
1627 | domain = Domain(fileName) |
---|
1628 | |
---|
1629 | answer = [[0., 8., 0.], |
---|
1630 | [0., 10., 8.]] |
---|
1631 | assert num.allclose(domain.quantities['elevation'].vertex_values, |
---|
1632 | answer) |
---|
1633 | |
---|
1634 | answer = [[0., 12., 10.], |
---|
1635 | [0., 10., 12.]] |
---|
1636 | assert num.allclose(domain.quantities['stage'].vertex_values, |
---|
1637 | answer) |
---|
1638 | |
---|
1639 | answer = [[0.01, 0.04, 0.03], |
---|
1640 | [0.01, 0.02, 0.04]] |
---|
1641 | assert num.allclose(domain.quantities['friction'].vertex_values, |
---|
1642 | answer) |
---|
1643 | |
---|
1644 | tagged_elements = domain.get_tagged_elements() |
---|
1645 | assert num.allclose(tagged_elements['dsg'][0], 0) |
---|
1646 | assert num.allclose(tagged_elements['ole nielsen'][0], 1) |
---|
1647 | |
---|
1648 | msg = "test_tags_to_boundaries failed. Single boundary wasn't added." |
---|
1649 | self.failUnless(domain.boundary[(1, 0)] == '1', msg) |
---|
1650 | self.failUnless(domain.boundary[(1, 2)] == '2', msg) |
---|
1651 | self.failUnless(domain.boundary[(0, 1)] == '3', msg) |
---|
1652 | self.failUnless(domain.boundary[(0, 0)] == 'exterior', msg) |
---|
1653 | msg = "test_pmesh2Domain Too many boundaries" |
---|
1654 | self.failUnless(len(domain.boundary) == 4, msg) |
---|
1655 | |
---|
1656 | # FIXME change to use get_xllcorner |
---|
1657 | msg = 'Bad geo_reference' |
---|
1658 | self.failUnless(domain.geo_reference.xllcorner == 140.0, msg) |
---|
1659 | |
---|
1660 | os.remove(fileName) |
---|
1661 | |
---|
1662 | def test_get_lone_vertices(self): |
---|
1663 | a = [0.0, 0.0] |
---|
1664 | b = [0.0, 2.0] |
---|
1665 | c = [2.0, 0.0] |
---|
1666 | d = [0.0, 4.0] |
---|
1667 | e = [2.0, 2.0] |
---|
1668 | f = [4.0, 0.0] |
---|
1669 | |
---|
1670 | points = [a, b, c, d, e, f] |
---|
1671 | # bac, bce, ecf, dbe |
---|
1672 | vertices = [[1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
1673 | boundary = {(0, 0): 'Third', |
---|
1674 | (0, 2): 'First', |
---|
1675 | (2, 0): 'Second', |
---|
1676 | (2, 1): 'Second', |
---|
1677 | (3, 1): 'Second', |
---|
1678 | (3, 2): 'Third'} |
---|
1679 | |
---|
1680 | domain = Domain(points, vertices, boundary) |
---|
1681 | domain.get_lone_vertices() |
---|
1682 | |
---|
1683 | def test_fitting_using_shallow_water_domain(self): |
---|
1684 | #Mesh in zone 56 (absolute coords) |
---|
1685 | |
---|
1686 | x0 = 314036.58727982 |
---|
1687 | y0 = 6224951.2960092 |
---|
1688 | |
---|
1689 | a = [x0+0.0, y0+0.0] |
---|
1690 | b = [x0+0.0, y0+2.0] |
---|
1691 | c = [x0+2.0, y0+0.0] |
---|
1692 | d = [x0+0.0, y0+4.0] |
---|
1693 | e = [x0+2.0, y0+2.0] |
---|
1694 | f = [x0+4.0, y0+0.0] |
---|
1695 | |
---|
1696 | points = [a, b, c, d, e, f] |
---|
1697 | |
---|
1698 | # bac, bce, ecf, dbe |
---|
1699 | elements = [[1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
1700 | |
---|
1701 | # absolute going in .. |
---|
1702 | mesh4 = Domain(points, elements, geo_reference=Geo_reference(56, 0, 0)) |
---|
1703 | mesh4.check_integrity() |
---|
1704 | quantity = Quantity(mesh4) |
---|
1705 | |
---|
1706 | # Get (enough) datapoints (relative to georef) |
---|
1707 | data_points_rel = [[ 0.66666667, 0.66666667], |
---|
1708 | [ 1.33333333, 1.33333333], |
---|
1709 | [ 2.66666667, 0.66666667], |
---|
1710 | [ 0.66666667, 2.66666667], |
---|
1711 | [ 0.0, 1.0], |
---|
1712 | [ 0.0, 3.0], |
---|
1713 | [ 1.0, 0.0], |
---|
1714 | [ 1.0, 1.0], |
---|
1715 | [ 1.0, 2.0], |
---|
1716 | [ 1.0, 3.0], |
---|
1717 | [ 2.0, 1.0], |
---|
1718 | [ 3.0, 0.0], |
---|
1719 | [ 3.0, 1.0]] |
---|
1720 | |
---|
1721 | data_geo_spatial = Geospatial_data(data_points_rel, |
---|
1722 | geo_reference=Geo_reference(56, |
---|
1723 | x0, |
---|
1724 | y0)) |
---|
1725 | data_points_absolute = data_geo_spatial.get_data_points(absolute=True) |
---|
1726 | attributes = linear_function(data_points_absolute) |
---|
1727 | att = 'spam_and_eggs' |
---|
1728 | |
---|
1729 | # Create .txt file |
---|
1730 | ptsfile = tempfile.mktemp(".txt") |
---|
1731 | file = open(ptsfile, "w") |
---|
1732 | file.write(" x,y," + att + " \n") |
---|
1733 | for data_point, attribute in map(None, data_points_absolute, attributes): |
---|
1734 | row = (str(data_point[0]) + ',' + |
---|
1735 | str(data_point[1]) + ',' + |
---|
1736 | str(attribute)) |
---|
1737 | file.write(row + "\n") |
---|
1738 | file.close() |
---|
1739 | |
---|
1740 | # Check that values can be set from file |
---|
1741 | quantity.set_values(filename=ptsfile, attribute_name=att, alpha=0) |
---|
1742 | answer = linear_function(quantity.domain.get_vertex_coordinates()) |
---|
1743 | |
---|
1744 | assert num.allclose(quantity.vertex_values.flat, answer) |
---|
1745 | |
---|
1746 | # Check that values can be set from file using default attribute |
---|
1747 | quantity.set_values(filename = ptsfile, alpha = 0) |
---|
1748 | assert num.allclose(quantity.vertex_values.flat, answer) |
---|
1749 | |
---|
1750 | # Cleanup |
---|
1751 | import os |
---|
1752 | os.remove(ptsfile) |
---|
1753 | |
---|
1754 | def test_fitting_example_that_crashed(self): |
---|
1755 | """This unit test has been derived from a real world example |
---|
1756 | (the Towradgi '98 rainstorm simulation). |
---|
1757 | |
---|
1758 | It shows a condition where fitting as called from set_quantity crashes |
---|
1759 | when ANUGA mesh is reused. The test passes in the case where a new mesh |
---|
1760 | is created. |
---|
1761 | |
---|
1762 | See ticket:314 |
---|
1763 | """ |
---|
1764 | |
---|
1765 | verbose = False |
---|
1766 | |
---|
1767 | from anuga.shallow_water import Domain |
---|
1768 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
1769 | from anuga.geospatial_data.geospatial_data import Geospatial_data |
---|
1770 | |
---|
1771 | |
---|
1772 | # Get path where this test is run |
---|
1773 | path = get_pathname_from_package('anuga.shallow_water') |
---|
1774 | |
---|
1775 | |
---|
1776 | #---------------------------------------------------------------------- |
---|
1777 | # Create domain |
---|
1778 | #-------------------------------------------------------------------- |
---|
1779 | W = 303400 |
---|
1780 | N = 6195800 |
---|
1781 | E = 308640 |
---|
1782 | S = 6193120 |
---|
1783 | bounding_polygon = [[W, S], [E, S], [E, N], [W, N]] |
---|
1784 | |
---|
1785 | offending_regions = [] |
---|
1786 | |
---|
1787 | # From culvert 8 |
---|
1788 | offending_regions.append([[307611.43896231, 6193631.6894806], |
---|
1789 | [307600.11394969, 6193608.2855474], |
---|
1790 | [307597.41349586, 6193609.59227963], |
---|
1791 | [307608.73850848, 6193632.99621282]]) |
---|
1792 | offending_regions.append([[307633.69143231, 6193620.9216536], |
---|
1793 | [307622.36641969, 6193597.5177204], |
---|
1794 | [307625.06687352, 6193596.21098818], |
---|
1795 | [307636.39188614, 6193619.61492137]]) |
---|
1796 | |
---|
1797 | # From culvert 9 |
---|
1798 | offending_regions.append([[306326.69660524, 6194818.62900522], |
---|
1799 | [306324.67939476, 6194804.37099478], |
---|
1800 | [306323.75856492, 6194804.50127295], |
---|
1801 | [306325.7757754, 6194818.7592834]]) |
---|
1802 | offending_regions.append([[306365.57160524, 6194813.12900522], |
---|
1803 | [306363.55439476, 6194798.87099478], |
---|
1804 | [306364.4752246, 6194798.7407166], |
---|
1805 | [306366.49243508, 6194812.99872705]]) |
---|
1806 | |
---|
1807 | # From culvert 10 |
---|
1808 | offending_regions.append([[306955.071019428608, 6194465.704096679576], |
---|
1809 | [306951.616980571358, 6194457.295903320424], |
---|
1810 | [306950.044491164153, 6194457.941873183474], |
---|
1811 | [306953.498530021403, 6194466.350066542625]]) |
---|
1812 | offending_regions.append([[307002.540019428649, 6194446.204096679576], |
---|
1813 | [306999.085980571399, 6194437.795903320424], |
---|
1814 | [307000.658469978604, 6194437.149933457375], |
---|
1815 | [307004.112508835853, 6194445.558126816526]]) |
---|
1816 | |
---|
1817 | interior_regions = [] |
---|
1818 | for polygon in offending_regions: |
---|
1819 | interior_regions.append( [polygon, 100] ) |
---|
1820 | |
---|
1821 | meshname = os.path.join(path, 'offending_mesh.msh') |
---|
1822 | create_mesh_from_regions(bounding_polygon, |
---|
1823 | boundary_tags={'south': [0], 'east': [1], |
---|
1824 | 'north': [2], 'west': [3]}, |
---|
1825 | maximum_triangle_area=1000000, |
---|
1826 | interior_regions=interior_regions, |
---|
1827 | filename=meshname, |
---|
1828 | use_cache=False, |
---|
1829 | verbose=verbose) |
---|
1830 | |
---|
1831 | domain = Domain(meshname, use_cache=False, verbose=verbose) |
---|
1832 | |
---|
1833 | #---------------------------------------------------------------------- |
---|
1834 | # Fit data point to mesh |
---|
1835 | #---------------------------------------------------------------------- |
---|
1836 | |
---|
1837 | points_file = os.path.join(path, 'offending_point.pts') |
---|
1838 | |
---|
1839 | # Offending point |
---|
1840 | G = Geospatial_data(data_points=[[306953.344, 6194461.5]], |
---|
1841 | attributes=[1]) |
---|
1842 | G.export_points_file(points_file) |
---|
1843 | |
---|
1844 | try: |
---|
1845 | domain.set_quantity('elevation', filename=points_file, |
---|
1846 | use_cache=False, verbose=verbose, alpha=0.01) |
---|
1847 | except RuntimeError, e: |
---|
1848 | msg = 'Test failed: %s' % str(e) |
---|
1849 | raise Exception, msg |
---|
1850 | # clean up in case raise fails |
---|
1851 | os.remove(meshname) |
---|
1852 | os.remove(points_file) |
---|
1853 | else: |
---|
1854 | os.remove(meshname) |
---|
1855 | os.remove(points_file) |
---|
1856 | |
---|
1857 | #finally: |
---|
1858 | # Cleanup regardless |
---|
1859 | #FIXME(Ole): Finally does not work like this in python2.4 |
---|
1860 | #FIXME(Ole): Reinstate this when Python2.4 is out of the way |
---|
1861 | #FIXME(Ole): Python 2.6 apparently introduces something called 'with' |
---|
1862 | #os.remove(meshname) |
---|
1863 | #os.remove(points_file) |
---|
1864 | |
---|
1865 | |
---|
1866 | def test_fitting_example_that_crashed_2(self): |
---|
1867 | """test_fitting_example_that_crashed_2 |
---|
1868 | |
---|
1869 | This unit test has been derived from a real world example |
---|
1870 | (the JJKelly study, by Petar Milevski). |
---|
1871 | |
---|
1872 | It shows a condition where set_quantity crashes due to AtA |
---|
1873 | not being built properly |
---|
1874 | |
---|
1875 | See ticket:314 |
---|
1876 | """ |
---|
1877 | |
---|
1878 | verbose = False |
---|
1879 | |
---|
1880 | from anuga.shallow_water import Domain |
---|
1881 | from anuga.pmesh.mesh_interface import create_mesh_from_regions |
---|
1882 | from anuga.geospatial_data import Geospatial_data |
---|
1883 | |
---|
1884 | # Get path where this test is run |
---|
1885 | path = get_pathname_from_package('anuga.shallow_water') |
---|
1886 | |
---|
1887 | meshname = os.path.join(path, 'test_mesh.msh') |
---|
1888 | W = 304180 |
---|
1889 | S = 6185270 |
---|
1890 | E = 307650 |
---|
1891 | N = 6189040 |
---|
1892 | maximum_triangle_area = 1000000 |
---|
1893 | |
---|
1894 | bounding_polygon = [[W, S], [E, S], [E, N], [W, N]] |
---|
1895 | |
---|
1896 | create_mesh_from_regions(bounding_polygon, |
---|
1897 | boundary_tags={'south': [0], |
---|
1898 | 'east': [1], |
---|
1899 | 'north': [2], |
---|
1900 | 'west': [3]}, |
---|
1901 | maximum_triangle_area=maximum_triangle_area, |
---|
1902 | filename=meshname, |
---|
1903 | use_cache=False, |
---|
1904 | verbose=verbose) |
---|
1905 | |
---|
1906 | domain = Domain(meshname, use_cache=True, verbose=verbose) |
---|
1907 | |
---|
1908 | # Large test set revealed one problem |
---|
1909 | points_file = os.path.join(path, 'test_points_large.csv') |
---|
1910 | try: |
---|
1911 | domain.set_quantity('elevation', filename=points_file, |
---|
1912 | use_cache=False, verbose=verbose) |
---|
1913 | except AssertionError, e: |
---|
1914 | msg = 'Test failed: %s' % str(e) |
---|
1915 | raise Exception, msg |
---|
1916 | # Cleanup in case this failed |
---|
1917 | os.remove(meshname) |
---|
1918 | |
---|
1919 | # Small test set revealed another problem |
---|
1920 | points_file = os.path.join(path, 'test_points_small.csv') |
---|
1921 | try: |
---|
1922 | domain.set_quantity('elevation', filename=points_file, |
---|
1923 | use_cache=False, verbose=verbose) |
---|
1924 | except AssertionError, e: |
---|
1925 | msg = 'Test failed: %s' % str(e) |
---|
1926 | raise Exception, msg |
---|
1927 | # Cleanup in case this failed |
---|
1928 | os.remove(meshname) |
---|
1929 | else: |
---|
1930 | os.remove(meshname) |
---|
1931 | |
---|
1932 | |
---|
1933 | |
---|
1934 | |
---|
1935 | def test_variable_elevation(self): |
---|
1936 | """test_variable_elevation |
---|
1937 | |
---|
1938 | This will test that elevagtion van be stored in sww files |
---|
1939 | as a time dependent quantity. |
---|
1940 | |
---|
1941 | It will also chck that storage of other quantities |
---|
1942 | can be controlled this way. |
---|
1943 | """ |
---|
1944 | |
---|
1945 | #--------------------------------------------------------------------- |
---|
1946 | # Import necessary modules |
---|
1947 | #--------------------------------------------------------------------- |
---|
1948 | from anuga.abstract_2d_finite_volumes.mesh_factory import rectangular_cross |
---|
1949 | from anuga.shallow_water import Domain |
---|
1950 | from anuga.shallow_water import Reflective_boundary |
---|
1951 | from anuga.shallow_water import Dirichlet_boundary |
---|
1952 | from anuga.shallow_water import Time_boundary |
---|
1953 | |
---|
1954 | #--------------------------------------------------------------------- |
---|
1955 | # Setup computational domain |
---|
1956 | #--------------------------------------------------------------------- |
---|
1957 | length = 8. |
---|
1958 | width = 6. |
---|
1959 | dx = dy = 1 # Resolution: Length of subdivisions on both axes |
---|
1960 | |
---|
1961 | inc = 0.05 # Elevation increment |
---|
1962 | |
---|
1963 | points, vertices, boundary = rectangular_cross(int(length/dx), |
---|
1964 | int(width/dy), |
---|
1965 | len1=length, |
---|
1966 | len2=width) |
---|
1967 | domain = Domain(points, vertices, boundary) |
---|
1968 | domain.set_name('channel_variable_test') # Output name |
---|
1969 | domain.set_quantities_to_be_stored({'elevation': 2, |
---|
1970 | 'stage': 2}) |
---|
1971 | |
---|
1972 | #--------------------------------------------------------------------- |
---|
1973 | # Setup initial conditions |
---|
1974 | #--------------------------------------------------------------------- |
---|
1975 | |
---|
1976 | def pole_increment(x,y): |
---|
1977 | """This provides a small increment to a pole located mid stream |
---|
1978 | For use with variable elevation data |
---|
1979 | """ |
---|
1980 | |
---|
1981 | z = 0.0*x |
---|
1982 | |
---|
1983 | N = len(x) |
---|
1984 | for i in range(N): |
---|
1985 | # Pole |
---|
1986 | if (x[i] - 4)**2 + (y[i] - 2)**2 < 1.0**2: |
---|
1987 | z[i] += inc |
---|
1988 | return z |
---|
1989 | |
---|
1990 | domain.set_quantity('elevation', 0.0) # Flat bed initially |
---|
1991 | domain.set_quantity('friction', 0.01) # Constant friction |
---|
1992 | domain.set_quantity('stage', 0.0) # Dry initial condition |
---|
1993 | |
---|
1994 | #------------------------------------------------------------------ |
---|
1995 | # Setup boundary conditions |
---|
1996 | #------------------------------------------------------------------ |
---|
1997 | Bi = Dirichlet_boundary([0.4, 0, 0]) # Inflow |
---|
1998 | Br = Reflective_boundary(domain) # Solid reflective wall |
---|
1999 | Bo = Dirichlet_boundary([-5, 0, 0]) # Outflow |
---|
2000 | |
---|
2001 | domain.set_boundary({'left': Bi, 'right': Bo, 'top': Br, 'bottom': Br}) |
---|
2002 | |
---|
2003 | #------------------------------------------------------------------- |
---|
2004 | # Evolve system through time |
---|
2005 | #------------------------------------------------------------------- |
---|
2006 | |
---|
2007 | for t in domain.evolve(yieldstep=1, finaltime=3.0): |
---|
2008 | #print domain.timestepping_statistics() |
---|
2009 | |
---|
2010 | domain.add_quantity('elevation', pole_increment) |
---|
2011 | |
---|
2012 | |
---|
2013 | # Check that quantities have been stored correctly |
---|
2014 | from Scientific.IO.NetCDF import NetCDFFile |
---|
2015 | sww_file = domain.get_name() + '.sww' |
---|
2016 | fid = NetCDFFile(sww_file) |
---|
2017 | |
---|
2018 | x = fid.variables['x'][:] |
---|
2019 | y = fid.variables['y'][:] |
---|
2020 | stage = fid.variables['stage'][:] |
---|
2021 | elevation = fid.variables['elevation'][:] |
---|
2022 | fid.close() |
---|
2023 | |
---|
2024 | os.remove(sww_file) |
---|
2025 | |
---|
2026 | |
---|
2027 | assert len(stage.shape) == 2 |
---|
2028 | assert len(elevation.shape) == 2 |
---|
2029 | |
---|
2030 | M, N = stage.shape |
---|
2031 | |
---|
2032 | for i in range(M): |
---|
2033 | # For each timestep |
---|
2034 | assert num.allclose(max(elevation[i,:]), i * inc) |
---|
2035 | |
---|
2036 | |
---|
2037 | |
---|
2038 | ################################################################################# |
---|
2039 | |
---|
2040 | if __name__ == "__main__": |
---|
2041 | suite = unittest.makeSuite(Test_swb_basic, 'test') |
---|
2042 | runner = unittest.TextTestRunner(verbosity=1) |
---|
2043 | runner.run(suite) |
---|