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 test_boyd_non_skew(self): |
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29 | """test_boyd_non_skew |
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30 | |
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31 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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32 | calculation code by MJ Boyd |
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33 | """ |
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34 | |
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35 | stage_0 = 11.0 |
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36 | stage_1 = 10.0 |
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37 | elevation_0 = 10.0 |
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38 | elevation_1 = 10.0 |
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39 | |
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40 | culvert_length = 20.0 |
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41 | culvert_width = 3.66 |
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42 | culvert_height = 3.66 |
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43 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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44 | culvert_mannings = 0.013 |
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45 | |
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46 | culvert_apron = 0.0 |
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47 | enquiry_gap = 10.0 |
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48 | |
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49 | expected_Q = 4.55 |
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50 | expected_v = 2.3 |
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51 | expected_d = 0.54 |
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52 | |
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53 | |
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54 | # Probably no need to change below here |
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55 | |
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56 | domain_length = 200. #x-Dir |
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57 | domain_width = 200. #y-dir |
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58 | dx = dy = 5.0 # Resolution: Length of subdivisions on both axes |
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59 | |
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60 | |
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61 | points, vertices, boundary = rectangular_cross(int(domain_length/dx), int(domain_width/dy), |
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62 | len1=domain_length, len2=domain_width) |
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63 | domain = Domain(points, vertices, boundary) |
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64 | domain.set_name('Test_Outlet_Inlet') # Output name |
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65 | domain.set_default_order(2) |
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66 | domain.H0 = 0.01 |
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67 | domain.tight_slope_limiters = 1 |
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68 | |
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69 | print 'Size', len(domain) |
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70 | |
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71 | #------------------------------------------------------------------------------ |
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72 | # Setup initial conditions |
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73 | #------------------------------------------------------------------------------ |
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74 | |
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75 | def elevation(x, y): |
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76 | """Set up a elevation |
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77 | """ |
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78 | |
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79 | z = numpy.zeros(x.shape,dtype='d') |
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80 | z[:] = elevation_0 |
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81 | |
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82 | numpy.putmask(z, x > domain_length/2, elevation_1) |
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83 | |
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84 | return z |
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85 | |
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86 | def stage(x,y): |
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87 | """Set up stage |
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88 | """ |
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89 | z = numpy.zeros(x.shape,dtype='d') |
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90 | z[:] = stage_0 |
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91 | |
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92 | numpy.putmask(z, x > domain_length/2, stage_1) |
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93 | |
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94 | return z |
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95 | |
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96 | print 'Setting Quantities....' |
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97 | domain.set_quantity('elevation', elevation) # Use function for elevation |
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98 | domain.set_quantity('stage', stage) # Use function for elevation |
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99 | |
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100 | |
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101 | print 'Defining Structures' |
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102 | |
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103 | ep0 = numpy.array([domain_length/2-culvert_length/2, 100.0]) |
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104 | ep1 = numpy.array([domain_length/2+culvert_length/2, 100.0]) |
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105 | |
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106 | |
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107 | culvert = Boyd_box_operator(domain, |
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108 | losses=culvert_losses, |
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109 | width=culvert_width, |
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110 | end_points=[ep0, ep1], |
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111 | height=culvert_height, |
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112 | apron=culvert_apron, |
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113 | enquiry_gap=enquiry_gap, |
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114 | use_momentum_jet=False, |
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115 | use_velocity_head=False, |
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116 | manning=culvert_mannings, |
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117 | label='3.6x3.6RCBC', |
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118 | verbose=False) |
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119 | |
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120 | culvert.determine_inflow_outflow() |
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121 | |
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122 | ( Q, v, d ) = culvert.discharge_routine() |
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123 | |
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124 | print 'test_boyd_non_skew' |
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125 | print 'Q: ', Q, 'expected_Q: ', expected_Q |
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126 | |
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127 | |
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128 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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129 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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130 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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131 | |
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132 | |
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133 | def test_boyd_skew(self): |
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134 | """test_boyd_skew |
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135 | |
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136 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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137 | calculation code by MJ Boyd |
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138 | """ |
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139 | |
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140 | stage_0 = 11.0 |
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141 | stage_1 = 10.0 |
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142 | elevation_0 = 10.0 |
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143 | elevation_1 = 10.0 |
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144 | |
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145 | culvert_length = 20.0 |
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146 | culvert_width = 3.66 |
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147 | culvert_height = 3.66 |
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148 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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149 | culvert_mannings = 0.013 |
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150 | |
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151 | culvert_apron = 0.0 |
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152 | enquiry_gap = 10.0 |
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153 | |
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154 | expected_Q = 4.55 |
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155 | expected_v = 2.3 |
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156 | expected_d = 0.54 |
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157 | |
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158 | |
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159 | # Probably no need to change below here |
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160 | |
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161 | domain_length = 200. #x-Dir |
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162 | domain_width = 200. #y-dir |
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163 | dx = dy = 5.0 # Resolution: Length of subdivisions on both axes |
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164 | |
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165 | |
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166 | points, vertices, boundary = rectangular_cross(int(domain_length/dx), int(domain_width/dy), |
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167 | len1=domain_length, len2=domain_width) |
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168 | domain = Domain(points, vertices, boundary) |
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169 | domain.set_name('Test_Outlet_Inlet') # Output name |
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170 | domain.set_default_order(2) |
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171 | domain.H0 = 0.01 |
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172 | domain.tight_slope_limiters = 1 |
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173 | |
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174 | print 'Size', len(domain) |
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175 | |
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176 | #------------------------------------------------------------------------------ |
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177 | # Setup initial conditions |
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178 | #------------------------------------------------------------------------------ |
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179 | |
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180 | def elevation(x, y): |
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181 | """Set up a elevation |
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182 | """ |
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183 | |
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184 | z = numpy.zeros(x.shape,dtype='d') |
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185 | z[:] = elevation_0 |
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186 | |
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187 | numpy.putmask(z, x > domain_length/2, elevation_1) |
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188 | |
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189 | return z |
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190 | |
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191 | def stage(x,y): |
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192 | """Set up stage |
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193 | """ |
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194 | z = numpy.zeros(x.shape,dtype='d') |
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195 | z[:] = stage_0 |
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196 | |
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197 | numpy.putmask(z, x > domain_length/2, stage_1) |
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198 | |
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199 | return z |
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200 | |
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201 | print 'Setting Quantities....' |
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202 | domain.set_quantity('elevation', elevation) # Use function for elevation |
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203 | domain.set_quantity('stage', stage) # Use function for elevation |
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204 | |
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205 | |
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206 | print 'Defining Structures' |
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207 | |
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208 | a = domain_length/2 - culvert_length/2 |
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209 | b = domain_length/2 + culvert_length/2 |
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210 | |
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211 | el0 = numpy.array([[a, 100.0 - culvert_width/2], [a, 100.0 + culvert_width/2]]) |
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212 | el1 = numpy.array([[b, 100.0 - culvert_width/2], [b, 100.0 + culvert_width/2]]) |
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213 | |
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214 | culvert = Boyd_box_operator(domain, |
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215 | losses=culvert_losses, |
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216 | width=culvert_width, |
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217 | exchange_lines=[el0, el1], |
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218 | height=culvert_height, |
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219 | apron=culvert_apron, |
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220 | enquiry_gap=enquiry_gap, |
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221 | use_momentum_jet=False, |
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222 | use_velocity_head=False, |
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223 | manning=culvert_mannings, |
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224 | label='3.6x3.6RCBC', |
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225 | verbose=False) |
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226 | |
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227 | culvert.determine_inflow_outflow() |
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228 | |
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229 | ( Q, v, d ) = culvert.discharge_routine() |
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230 | |
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231 | print 'test_boyd_skew' |
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232 | print 'Q: ', Q, 'expected_Q: ', expected_Q |
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233 | |
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234 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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235 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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236 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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237 | |
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238 | |
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239 | def test_boyd_non_skew_enquiry_points(self): |
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240 | """test_boyd_skew_enquiry_points |
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241 | |
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242 | This tests the Boyd routine with data obtained from culvertw application 1.1 by IceMindserer BD Parkinson, |
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243 | calculation code by MJ Boyd |
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244 | """ |
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245 | |
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246 | stage_0 = 11.0 |
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247 | stage_1 = 10.0 |
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248 | elevation_0 = 10.0 |
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249 | elevation_1 = 10.0 |
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250 | |
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251 | culvert_length = 20.0 |
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252 | culvert_width = 3.66 |
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253 | culvert_height = 3.66 |
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254 | culvert_losses = {'inlet':0.5, 'outlet':1.0, 'bend':0.0, 'grate':0.0, 'pier': 0.0, 'other': 0.0} |
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255 | culvert_mannings = 0.013 |
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256 | |
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257 | culvert_apron = 0.0 |
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258 | enquiry_gap = 10.0 |
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259 | |
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260 | expected_Q = 4.55 |
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261 | expected_v = 2.3 |
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262 | expected_d = 0.54 |
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263 | |
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264 | |
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265 | # Probably no need to change below here |
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266 | |
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267 | domain_length = 200. #x-Dir |
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268 | domain_width = 200. #y-dir |
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269 | dx = dy = 5.0 # Resolution: Length of subdivisions on both axes |
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270 | |
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271 | |
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272 | points, vertices, boundary = rectangular_cross(int(domain_length/dx), int(domain_width/dy), |
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273 | len1=domain_length, len2=domain_width) |
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274 | domain = Domain(points, vertices, boundary) |
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275 | domain.set_name('Test_Outlet_Inlet') # Output name |
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276 | domain.set_default_order(2) |
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277 | domain.H0 = 0.01 |
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278 | domain.tight_slope_limiters = 1 |
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279 | |
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280 | print 'Size', len(domain) |
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281 | |
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282 | #------------------------------------------------------------------------------ |
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283 | # Setup initial conditions |
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284 | #------------------------------------------------------------------------------ |
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285 | |
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286 | def elevation(x, y): |
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287 | """Set up a elevation |
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288 | """ |
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289 | |
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290 | z = numpy.zeros(x.shape,dtype='d') |
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291 | z[:] = elevation_0 |
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292 | |
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293 | numpy.putmask(z, x > domain_length/2, elevation_1) |
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294 | |
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295 | return z |
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296 | |
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297 | def stage(x,y): |
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298 | """Set up stage |
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299 | """ |
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300 | z = numpy.zeros(x.shape,dtype='d') |
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301 | z[:] = stage_0 |
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302 | |
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303 | numpy.putmask(z, x > domain_length/2, stage_1) |
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304 | |
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305 | return z |
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306 | |
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307 | print 'Setting Quantities....' |
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308 | domain.set_quantity('elevation', elevation) # Use function for elevation |
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309 | domain.set_quantity('stage', stage) # Use function for elevation |
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310 | |
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311 | |
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312 | print 'Defining Structures' |
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313 | |
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314 | a = domain_length/2 - culvert_length/2 |
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315 | b = domain_length/2 + culvert_length/2 |
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316 | |
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317 | el0 = numpy.array([[a, 100.0 - culvert_width/2], [a, 100.0 + culvert_width/2]]) |
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318 | el1 = numpy.array([[b, 100.0 - culvert_width/2], [b, 100.0 + culvert_width/2]]) |
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319 | |
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320 | enquiry_points = (numpy.array([85, 100]), numpy.array([115, 100])) |
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321 | |
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322 | culvert = Boyd_box_operator(domain, |
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323 | losses=culvert_losses, |
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324 | width=culvert_width, |
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325 | exchange_lines=[el0, el1], |
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326 | enquiry_points=enquiry_points, |
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327 | height=culvert_height, |
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328 | apron=culvert_apron, |
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329 | enquiry_gap=enquiry_gap, |
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330 | use_momentum_jet=False, |
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331 | use_velocity_head=False, |
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332 | manning=culvert_mannings, |
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333 | label='3.6x3.6RCBC', |
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334 | verbose=False) |
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335 | |
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336 | culvert.determine_inflow_outflow() |
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337 | |
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338 | ( Q, v, d ) = culvert.discharge_routine() |
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339 | |
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340 | print test_boyd_non_skew_enquiry_points |
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341 | print 'Q: ', Q, 'expected_Q: ', expected_Q |
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342 | |
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343 | assert numpy.allclose(Q, expected_Q, rtol=1.0e-2) #inflow |
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344 | assert numpy.allclose(v, expected_v, rtol=1.0e-2) #outflow velocity |
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345 | assert numpy.allclose(d, expected_d, rtol=1.0e-2) #depth at outlet used to calc v |
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346 | |
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347 | |
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348 | # ========================================================================= |
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349 | if __name__ == "__main__": |
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350 | suite = unittest.makeSuite(Test_boyd_box_operator, 'test') |
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351 | runner = unittest.TextTestRunner() |
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352 | runner.run(suite) |
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