| 1 | #!/usr/bin/env python |
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| 2 | |
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| 3 | |
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| 4 | import unittest |
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| 5 | import os.path |
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| 6 | import sys |
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| 7 | |
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| 8 | from anuga.utilities.system_tools import get_pathname_from_package |
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| 9 | from anuga.structures.boyd_box_operator import Boyd_box_operator |
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| 10 | from anuga.abstract_2d_finite_volumes.mesh_factory import rectangular_cross |
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| 11 | from anuga.shallow_water.shallow_water_domain import Domain |
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| 12 | from anuga.shallow_water.forcing import Rainfall, Inflow |
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| 13 | import numpy |
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| 14 | |
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| 15 | |
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| 16 | class Test_boyd_box_operator(unittest.TestCase): |
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| 17 | """ |
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| 18 | Test the boyd box operator, in particular the discharge_routine! |
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| 19 | """ |
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| 20 | |
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| 21 | def setUp(self): |
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| 22 | pass |
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| 23 | |
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| 24 | def tearDown(self): |
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| 25 | pass |
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| 26 | |
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| 27 | |
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| 28 | def _create_domain(self,d_length, |
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| 29 | d_width, |
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| 30 | dx, |
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| 31 | dy, |
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| 32 | elevation_0, |
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| 33 | elevation_1, |
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| 34 | stage_0, |
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| 35 | stage_1): |
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| 36 | |
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| 37 | points, vertices, boundary = rectangular_cross(int(d_length/dx), int(d_width/dy), |
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| 38 | len1=d_length, len2=d_width) |
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| 39 | domain = Domain(points, vertices, boundary) |
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| 40 | domain.set_name('Test_Outlet_Inlet') # Output name |
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| 41 | domain.set_store() |
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| 42 | domain.set_default_order(2) |
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| 43 | domain.H0 = 0.01 |
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| 44 | domain.tight_slope_limiters = 1 |
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| 45 | |
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| 46 | #print 'Size', len(domain) |
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| 47 | |
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| 48 | #------------------------------------------------------------------------------ |
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| 49 | # Setup initial conditions |
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| 50 | #------------------------------------------------------------------------------ |
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| 51 | |
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| 52 | def elevation(x, y): |
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| 53 | """Set up a elevation |
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| 54 | """ |
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| 55 | |
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| 56 | z = numpy.zeros(x.shape,dtype='d') |
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| 57 | z[:] = elevation_0 |
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| 58 | |
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| 59 | numpy.putmask(z, x > d_length/2, elevation_1) |
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| 60 | |
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| 61 | return z |
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| 62 | |
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| 63 | def stage(x,y): |
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| 64 | """Set up stage |
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| 65 | """ |
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| 66 | z = numpy.zeros(x.shape,dtype='d') |
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| 67 | z[:] = stage_0 |
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| 68 | |
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| 69 | numpy.putmask(z, x > d_length/2, stage_1) |
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| 70 | |
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| 71 | return z |
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| 72 | |
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| 73 | #print 'Setting Quantities....' |
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| 74 | domain.set_quantity('elevation', elevation) # Use function for elevation |
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| 75 | domain.set_quantity('stage', stage) # Use function for elevation |
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| 76 | |
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| 77 | return domain |
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| 78 | |
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| 79 | def test_boyd_non_skew(self): |
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| 80 | """test_boyd_non_skew |
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| 81 | |
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| 82 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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| 83 | calculation code by MJ Boyd |
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| 84 | """ |
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| 85 | |
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| 86 | stage_0 = 11.0 |
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| 87 | stage_1 = 10.0 |
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| 88 | elevation_0 = 10.0 |
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| 89 | elevation_1 = 10.0 |
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| 90 | |
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| 91 | domain_length = 200.0 |
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| 92 | domain_width = 200.0 |
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| 93 | |
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| 94 | culvert_length = 20.0 |
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| 95 | culvert_width = 3.66 |
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| 96 | culvert_height = 3.66 |
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| 97 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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| 98 | culvert_mannings = 0.013 |
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| 99 | |
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| 100 | culvert_apron = 0.0 |
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| 101 | enquiry_gap = 10.0 |
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| 102 | |
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| 103 | |
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| 104 | expected_Q = 6.23 |
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| 105 | expected_v = 2.55 |
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| 106 | expected_d = 0.66 |
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| 107 | |
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| 108 | |
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| 109 | domain = self._create_domain(d_length=domain_length, |
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| 110 | d_width=domain_width, |
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| 111 | dx = 5.0, |
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| 112 | dy = 5.0, |
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| 113 | elevation_0 = elevation_0, |
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| 114 | elevation_1 = elevation_1, |
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| 115 | stage_0 = stage_0, |
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| 116 | stage_1 = stage_1) |
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| 117 | |
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| 118 | |
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| 119 | #print 'Defining Structures' |
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| 120 | |
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| 121 | ep0 = numpy.array([domain_length/2-culvert_length/2, 100.0]) |
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| 122 | ep1 = numpy.array([domain_length/2+culvert_length/2, 100.0]) |
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| 123 | |
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| 124 | |
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| 125 | culvert = Boyd_box_operator(domain, |
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| 126 | losses=culvert_losses, |
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| 127 | width=culvert_width, |
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| 128 | end_points=[ep0, ep1], |
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| 129 | height=culvert_height, |
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| 130 | apron=culvert_apron, |
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| 131 | enquiry_gap=enquiry_gap, |
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| 132 | use_momentum_jet=False, |
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| 133 | use_velocity_head=False, |
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| 134 | manning=culvert_mannings, |
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| 135 | label='3.6x3.6RCBC', |
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| 136 | verbose=False) |
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| 137 | |
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| 138 | #culvert.determine_inflow_outflow() |
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| 139 | |
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| 140 | ( Q, v, d ) = culvert.discharge_routine() |
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| 141 | |
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| 142 | #print 'test_boyd_non_skew' |
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| 143 | #print 'Q: ', Q, 'expected_Q: ', expected_Q |
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| 144 | |
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| 145 | |
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| 146 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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| 147 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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| 148 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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| 149 | |
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| 150 | |
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| 151 | def test_boyd_skew(self): |
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| 152 | """test_boyd_skew |
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| 153 | |
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| 154 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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| 155 | calculation code by MJ Boyd |
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| 156 | """ |
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| 157 | |
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| 158 | stage_0 = 11.0 |
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| 159 | stage_1 = 10.0 |
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| 160 | elevation_0 = 10.0 |
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| 161 | elevation_1 = 10.0 |
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| 162 | |
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| 163 | domain_length = 200.0 |
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| 164 | domain_width = 200.0 |
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| 165 | |
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| 166 | culvert_length = 20.0 |
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| 167 | culvert_width = 3.66 |
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| 168 | culvert_height = 3.66 |
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| 169 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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| 170 | culvert_mannings = 0.013 |
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| 171 | |
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| 172 | culvert_apron = 0.0 |
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| 173 | enquiry_gap = 10.0 |
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| 174 | |
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| 175 | expected_Q = 6.23 |
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| 176 | expected_v = 2.55 |
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| 177 | expected_d = 0.66 |
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| 178 | |
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| 179 | |
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| 180 | domain = self._create_domain(d_length=domain_length, |
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| 181 | d_width=domain_width, |
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| 182 | dx = 5.0, |
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| 183 | dy = 5.0, |
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| 184 | elevation_0 = elevation_0, |
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| 185 | elevation_1 = elevation_1, |
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| 186 | stage_0 = stage_0, |
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| 187 | stage_1 = stage_1) |
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| 188 | |
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| 189 | #print 'Defining Structures' |
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| 190 | |
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| 191 | a = domain_length/2 - culvert_length/2 |
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| 192 | b = domain_length/2 + culvert_length/2 |
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| 193 | |
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| 194 | el0 = numpy.array([[a, 100.0 - culvert_width/2], [a, 100.0 + culvert_width/2]]) |
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| 195 | el1 = numpy.array([[b, 100.0 - culvert_width/2], [b, 100.0 + culvert_width/2]]) |
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| 196 | |
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| 197 | culvert = Boyd_box_operator(domain, |
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| 198 | losses=culvert_losses, |
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| 199 | width=culvert_width, |
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| 200 | exchange_lines=[el0, el1], |
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| 201 | height=culvert_height, |
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| 202 | apron=culvert_apron, |
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| 203 | enquiry_gap=enquiry_gap, |
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| 204 | use_momentum_jet=False, |
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| 205 | use_velocity_head=False, |
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| 206 | manning=culvert_mannings, |
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| 207 | label='3.6x3.6RCBC', |
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| 208 | verbose=False) |
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| 209 | |
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| 210 | #culvert.determine_inflow_outflow() |
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| 211 | |
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| 212 | ( Q, v, d ) = culvert.discharge_routine() |
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| 213 | |
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| 214 | #print 'test_boyd_skew' |
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| 215 | #print 'Q: ', Q, 'expected_Q: ', expected_Q |
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| 216 | |
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| 217 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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| 218 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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| 219 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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| 220 | |
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| 221 | |
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| 222 | def test_boyd_non_skew_enquiry_points(self): |
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| 223 | """test_boyd_skew_enquiry_points |
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| 224 | |
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| 225 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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| 226 | calculation code by MJ Boyd |
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| 227 | """ |
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| 228 | |
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| 229 | stage_0 = 11.0 |
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| 230 | stage_1 = 10.0 |
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| 231 | elevation_0 = 10.0 |
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| 232 | elevation_1 = 10.0 |
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| 233 | |
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| 234 | domain_length = 200.0 |
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| 235 | domain_width = 200.0 |
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| 236 | |
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| 237 | culvert_length = 20.0 |
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| 238 | culvert_width = 3.66 |
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| 239 | culvert_height = 3.66 |
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| 240 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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| 241 | culvert_mannings = 0.013 |
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| 242 | |
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| 243 | culvert_apron = 0.0 |
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| 244 | enquiry_gap = 10.0 |
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| 245 | |
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| 246 | expected_Q = 6.23 |
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| 247 | expected_v = 2.55 |
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| 248 | expected_d = 0.66 |
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| 249 | |
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| 250 | |
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| 251 | # Probably no need to change below here |
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| 252 | |
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| 253 | domain = self._create_domain(d_length=domain_length, |
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| 254 | d_width=domain_width, |
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| 255 | dx = 5.0, |
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| 256 | dy = 5.0, |
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| 257 | elevation_0 = elevation_0, |
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| 258 | elevation_1 = elevation_1, |
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| 259 | stage_0 = stage_0, |
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| 260 | stage_1 = stage_1) |
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| 261 | |
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| 262 | |
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| 263 | #print 'Defining Structures' |
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| 264 | |
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| 265 | a = domain_length/2 - culvert_length/2 |
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| 266 | b = domain_length/2 + culvert_length/2 |
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| 267 | |
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| 268 | el0 = numpy.array([[a, 100.0 - culvert_width/2], [a, 100.0 + culvert_width/2]]) |
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| 269 | el1 = numpy.array([[b, 100.0 - culvert_width/2], [b, 100.0 + culvert_width/2]]) |
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| 270 | |
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| 271 | enquiry_points = (numpy.array([85, 100]), numpy.array([115, 100])) |
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| 272 | |
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| 273 | culvert = Boyd_box_operator(domain, |
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| 274 | losses=culvert_losses, |
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| 275 | width=culvert_width, |
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| 276 | exchange_lines=[el0, el1], |
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| 277 | enquiry_points=enquiry_points, |
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| 278 | height=culvert_height, |
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| 279 | apron=culvert_apron, |
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| 280 | enquiry_gap=enquiry_gap, |
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| 281 | use_momentum_jet=False, |
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| 282 | use_velocity_head=False, |
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| 283 | manning=culvert_mannings, |
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| 284 | label='3.6x3.6RCBC', |
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| 285 | verbose=False) |
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| 286 | |
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| 287 | #culvert.determine_inflow_outflow() |
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| 288 | |
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| 289 | ( Q, v, d ) = culvert.discharge_routine() |
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| 290 | |
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| 291 | #print 'test_boyd_non_skew_enquiry_points' |
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| 292 | #print 'Q: ', Q, 'expected_Q: ', expected_Q |
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| 293 | #print 'v: ', v, 'expected_v: ', expected_v |
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| 294 | #print 'd: ', d, 'expected_d: ', expected_d |
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| 295 | |
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| 296 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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| 297 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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| 298 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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| 299 | |
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| 300 | |
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| 301 | # ========================================================================= |
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| 302 | if __name__ == "__main__": |
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| 303 | suite = unittest.makeSuite(Test_boyd_box_operator, 'test') |
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| 304 | runner = unittest.TextTestRunner() |
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| 305 | runner.run(suite) |
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