1 | #!/usr/bin/env python |
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2 | |
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3 | import unittest |
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4 | from math import sqrt |
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5 | |
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6 | from anuga.abstract_2d_finite_volumes.domain import * |
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7 | from anuga.config import epsilon |
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8 | |
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9 | import numpy as num |
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10 | |
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11 | |
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12 | def add_to_verts(tag, elements, domain): |
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13 | if tag == "mound": |
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14 | domain.test = "Mound" |
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15 | |
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16 | |
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17 | def set_bottom_friction(tag, elements, domain): |
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18 | if tag == "bottom": |
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19 | domain.set_quantity('friction', 0.09, indices = elements) |
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20 | |
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21 | def set_top_friction(tag, elements, domain): |
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22 | if tag == "top": |
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23 | domain.set_quantity('friction', 1., indices = elements) |
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24 | |
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25 | |
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26 | def set_all_friction(tag, elements, domain): |
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27 | if tag == 'all': |
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28 | new_values = domain.get_quantity('friction').get_values(indices = elements) + 10.0 |
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29 | |
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30 | domain.set_quantity('friction', new_values, indices = elements) |
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31 | |
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32 | |
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33 | class Test_Domain(unittest.TestCase): |
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34 | def setUp(self): |
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35 | pass |
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36 | |
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37 | |
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38 | def tearDown(self): |
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39 | pass |
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40 | |
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41 | |
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42 | def test_simple(self): |
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43 | a = [0.0, 0.0] |
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44 | b = [0.0, 2.0] |
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45 | c = [2.0,0.0] |
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46 | d = [0.0, 4.0] |
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47 | e = [2.0, 2.0] |
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48 | f = [4.0,0.0] |
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49 | |
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50 | points = [a, b, c, d, e, f] |
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51 | #bac, bce, ecf, dbe, daf, dae |
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52 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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53 | |
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54 | conserved_quantities = ['stage', 'xmomentum', 'ymomentum'] |
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55 | evolved_quantities = ['stage', 'xmomentum', 'ymomentum', 'xvelocity'] |
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56 | |
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57 | other_quantities = ['elevation', 'friction'] |
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58 | |
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59 | domain = Domain(points, vertices, None, |
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60 | conserved_quantities, evolved_quantities, other_quantities) |
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61 | domain.check_integrity() |
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62 | |
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63 | for name in conserved_quantities + other_quantities: |
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64 | assert domain.quantities.has_key(name) |
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65 | |
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66 | |
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67 | assert num.alltrue(domain.get_conserved_quantities(0, edge=1) == 0.) |
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68 | |
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69 | |
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70 | |
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71 | def test_CFL(self): |
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72 | a = [0.0, 0.0] |
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73 | b = [0.0, 2.0] |
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74 | c = [2.0,0.0] |
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75 | d = [0.0, 4.0] |
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76 | e = [2.0, 2.0] |
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77 | f = [4.0,0.0] |
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78 | |
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79 | points = [a, b, c, d, e, f] |
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80 | #bac, bce, ecf, dbe, daf, dae |
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81 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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82 | |
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83 | conserved_quantities = ['stage', 'xmomentum', 'ymomentum'] |
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84 | evolved_quantities = ['stage', 'xmomentum', 'ymomentum', 'xvelocity'] |
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85 | |
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86 | other_quantities = ['elevation', 'friction'] |
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87 | |
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88 | domain = Domain(points, vertices, None, |
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89 | conserved_quantities, evolved_quantities, other_quantities) |
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90 | |
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91 | try: |
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92 | domain.set_CFL(-0.1) |
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93 | except: |
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94 | pass |
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95 | else: |
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96 | msg = 'Should have caught a negative cfl' |
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97 | raise Exception, msg |
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98 | |
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99 | |
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100 | |
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101 | try: |
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102 | domain.set_CFL(2.0) |
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103 | except: |
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104 | pass |
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105 | else: |
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106 | msg = 'Should have warned of cfl>1.0' |
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107 | raise Exception, msg |
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108 | |
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109 | assert domain.CFL == 2.0 |
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110 | |
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111 | |
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112 | def test_conserved_quantities(self): |
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113 | |
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114 | a = [0.0, 0.0] |
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115 | b = [0.0, 2.0] |
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116 | c = [2.0,0.0] |
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117 | d = [0.0, 4.0] |
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118 | e = [2.0, 2.0] |
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119 | f = [4.0,0.0] |
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120 | |
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121 | points = [a, b, c, d, e, f] |
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122 | #bac, bce, ecf, dbe, daf, dae |
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123 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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124 | |
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125 | domain = Domain(points, vertices, boundary=None, |
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126 | conserved_quantities =\ |
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127 | ['stage', 'xmomentum', 'ymomentum']) |
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128 | |
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129 | |
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130 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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131 | [0,0,9], [-6, 3, 3]]) |
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132 | |
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133 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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134 | [0,0,9], [-6, 3, 3]]) |
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135 | |
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136 | domain.check_integrity() |
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137 | |
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138 | #Centroids |
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139 | q = domain.get_conserved_quantities(0) |
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140 | assert num.allclose(q, [2., 2., 0.]) |
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141 | |
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142 | q = domain.get_conserved_quantities(1) |
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143 | assert num.allclose(q, [5., 5., 0.]) |
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144 | |
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145 | q = domain.get_conserved_quantities(2) |
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146 | assert num.allclose(q, [3., 3., 0.]) |
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147 | |
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148 | q = domain.get_conserved_quantities(3) |
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149 | assert num.allclose(q, [0., 0., 0.]) |
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150 | |
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151 | |
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152 | #Edges |
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153 | q = domain.get_conserved_quantities(0, edge=0) |
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154 | assert num.allclose(q, [2.5, 2.5, 0.]) |
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155 | q = domain.get_conserved_quantities(0, edge=1) |
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156 | assert num.allclose(q, [2., 2., 0.]) |
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157 | q = domain.get_conserved_quantities(0, edge=2) |
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158 | assert num.allclose(q, [1.5, 1.5, 0.]) |
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159 | |
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160 | for i in range(3): |
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161 | q = domain.get_conserved_quantities(1, edge=i) |
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162 | assert num.allclose(q, [5, 5, 0.]) |
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163 | |
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164 | |
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165 | q = domain.get_conserved_quantities(2, edge=0) |
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166 | assert num.allclose(q, [4.5, 4.5, 0.]) |
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167 | q = domain.get_conserved_quantities(2, edge=1) |
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168 | assert num.allclose(q, [4.5, 4.5, 0.]) |
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169 | q = domain.get_conserved_quantities(2, edge=2) |
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170 | assert num.allclose(q, [0., 0., 0.]) |
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171 | |
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172 | |
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173 | q = domain.get_conserved_quantities(3, edge=0) |
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174 | assert num.allclose(q, [3., 3., 0.]) |
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175 | q = domain.get_conserved_quantities(3, edge=1) |
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176 | assert num.allclose(q, [-1.5, -1.5, 0.]) |
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177 | q = domain.get_conserved_quantities(3, edge=2) |
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178 | assert num.allclose(q, [-1.5, -1.5, 0.]) |
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179 | |
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180 | |
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181 | |
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182 | def test_create_quantity_from_expression(self): |
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183 | """Quantity created from other quantities using arbitrary expression |
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184 | |
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185 | """ |
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186 | |
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187 | |
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188 | a = [0.0, 0.0] |
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189 | b = [0.0, 2.0] |
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190 | c = [2.0,0.0] |
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191 | d = [0.0, 4.0] |
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192 | e = [2.0, 2.0] |
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193 | f = [4.0,0.0] |
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194 | |
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195 | points = [a, b, c, d, e, f] |
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196 | #bac, bce, ecf, dbe, daf, dae |
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197 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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198 | |
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199 | domain = Domain(points, vertices, boundary=None, |
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200 | conserved_quantities =\ |
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201 | ['stage', 'xmomentum', 'ymomentum'], |
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202 | other_quantities = ['elevation', 'friction']) |
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203 | |
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204 | |
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205 | domain.set_quantity('elevation', -1) |
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206 | |
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207 | |
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208 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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209 | [0,0,9], [-6, 3, 3]]) |
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210 | |
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211 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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212 | [0,0,9], [-6, 3, 3]]) |
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213 | |
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214 | domain.set_quantity('ymomentum', [[3,3,3], [4,2,1], |
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215 | [2,4,-1], [1, 0, 1]]) |
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216 | |
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217 | domain.check_integrity() |
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218 | |
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219 | |
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220 | |
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221 | expression = 'stage - elevation' |
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222 | Q = domain.create_quantity_from_expression(expression) |
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223 | |
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224 | assert num.allclose(Q.vertex_values, [[2,3,4], [6,6,6], |
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225 | [1,1,10], [-5, 4, 4]]) |
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226 | |
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227 | expression = '(xmomentum*xmomentum + ymomentum*ymomentum)**0.5' |
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228 | Q = domain.create_quantity_from_expression(expression) |
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229 | |
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230 | X = domain.quantities['xmomentum'].vertex_values |
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231 | Y = domain.quantities['ymomentum'].vertex_values |
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232 | |
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233 | assert num.allclose(Q.vertex_values, (X**2 + Y**2)**0.5) |
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234 | |
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235 | |
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236 | |
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237 | def test_set_quanitities_to_be_monitored(self): |
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238 | """test_set_quanitities_to_be_monitored |
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239 | """ |
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240 | |
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241 | a = [0.0, 0.0] |
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242 | b = [0.0, 2.0] |
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243 | c = [2.0,0.0] |
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244 | d = [0.0, 4.0] |
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245 | e = [2.0, 2.0] |
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246 | f = [4.0,0.0] |
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247 | |
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248 | points = [a, b, c, d, e, f] |
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249 | #bac, bce, ecf, dbe, daf, dae |
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250 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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251 | |
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252 | |
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253 | domain = Domain(points, vertices, boundary=None, |
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254 | conserved_quantities =\ |
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255 | ['stage', 'xmomentum', 'ymomentum'], |
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256 | other_quantities = ['elevation', 'friction', 'depth']) |
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257 | |
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258 | |
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259 | assert domain.quantities_to_be_monitored is None |
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260 | domain.set_quantities_to_be_monitored(['stage', 'stage-elevation']) |
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261 | assert len(domain.quantities_to_be_monitored) == 2 |
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262 | assert domain.quantities_to_be_monitored.has_key('stage') |
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263 | assert domain.quantities_to_be_monitored.has_key('stage-elevation') |
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264 | for key in domain.quantities_to_be_monitored['stage'].keys(): |
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265 | assert domain.quantities_to_be_monitored['stage'][key] is None |
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266 | |
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267 | |
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268 | # Check that invalid requests are dealt with |
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269 | try: |
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270 | domain.set_quantities_to_be_monitored(['yyyyy']) |
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271 | except: |
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272 | pass |
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273 | else: |
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274 | msg = 'Should have caught illegal quantity' |
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275 | raise Exception, msg |
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276 | |
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277 | try: |
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278 | domain.set_quantities_to_be_monitored(['stage-xx']) |
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279 | except NameError: |
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280 | pass |
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281 | else: |
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282 | msg = 'Should have caught illegal quantity' |
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283 | raise Exception, msg |
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284 | |
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285 | try: |
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286 | domain.set_quantities_to_be_monitored('stage', 'stage-elevation') |
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287 | except: |
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288 | pass |
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289 | else: |
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290 | msg = 'Should have caught too many arguments' |
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291 | raise Exception, msg |
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292 | |
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293 | try: |
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294 | domain.set_quantities_to_be_monitored('stage', 'blablabla') |
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295 | except: |
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296 | pass |
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297 | else: |
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298 | msg = 'Should have caught polygon as a string' |
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299 | raise Exception, msg |
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300 | |
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301 | |
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302 | |
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303 | # Now try with a polygon restriction |
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304 | domain.set_quantities_to_be_monitored('xmomentum', |
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305 | polygon=[[1,1], [1,3], [3,3], [3,1]], |
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306 | time_interval = [0,3]) |
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307 | assert domain.monitor_indices[0] == 1 |
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308 | assert domain.monitor_time_interval[0] == 0 |
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309 | assert domain.monitor_time_interval[1] == 3 |
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310 | |
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311 | |
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312 | def test_set_quantity_from_expression(self): |
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313 | """Quantity set using arbitrary expression |
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314 | |
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315 | """ |
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316 | |
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317 | |
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318 | a = [0.0, 0.0] |
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319 | b = [0.0, 2.0] |
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320 | c = [2.0,0.0] |
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321 | d = [0.0, 4.0] |
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322 | e = [2.0, 2.0] |
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323 | f = [4.0,0.0] |
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324 | |
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325 | points = [a, b, c, d, e, f] |
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326 | #bac, bce, ecf, dbe, daf, dae |
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327 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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328 | |
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329 | domain = Domain(points, vertices, boundary=None, |
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330 | conserved_quantities =\ |
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331 | ['stage', 'xmomentum', 'ymomentum'], |
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332 | other_quantities = ['elevation', 'friction', 'depth']) |
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333 | |
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334 | |
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335 | domain.set_quantity('elevation', -1) |
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336 | |
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337 | |
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338 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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339 | [0,0,9], [-6, 3, 3]]) |
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340 | |
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341 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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342 | [0,0,9], [-6, 3, 3]]) |
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343 | |
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344 | domain.set_quantity('ymomentum', [[3,3,3], [4,2,1], |
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345 | [2,4,-1], [1, 0, 1]]) |
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346 | |
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347 | |
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348 | |
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349 | |
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350 | domain.set_quantity('depth', expression = 'stage - elevation') |
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351 | |
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352 | domain.check_integrity() |
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353 | |
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354 | |
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355 | |
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356 | |
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357 | Q = domain.quantities['depth'] |
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358 | |
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359 | assert num.allclose(Q.vertex_values, [[2,3,4], [6,6,6], |
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360 | [1,1,10], [-5, 4, 4]]) |
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361 | |
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362 | |
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363 | |
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364 | |
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365 | def test_add_quantity(self): |
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366 | """Test that quantities already set can be added to using |
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367 | add_quantity |
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368 | |
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369 | """ |
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370 | |
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371 | |
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372 | a = [0.0, 0.0] |
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373 | b = [0.0, 2.0] |
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374 | c = [2.0,0.0] |
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375 | d = [0.0, 4.0] |
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376 | e = [2.0, 2.0] |
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377 | f = [4.0,0.0] |
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378 | |
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379 | points = [a, b, c, d, e, f] |
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380 | #bac, bce, ecf, dbe, daf, dae |
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381 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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382 | |
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383 | domain = Domain(points, vertices, boundary=None, |
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384 | conserved_quantities =\ |
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385 | ['stage', 'xmomentum', 'ymomentum'], |
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386 | other_quantities = ['elevation', 'friction', 'depth']) |
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387 | |
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388 | |
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389 | A = num.array([[1,2,3], [5,5,-5], [0,0,9], [-6,3,3]], num.float) |
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390 | B = num.array([[2,4,4], [3,2,1], [6,-3,4], [4,5,-1]], num.float) |
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391 | |
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392 | # Shorthands |
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393 | stage = domain.quantities['stage'] |
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394 | elevation = domain.quantities['elevation'] |
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395 | depth = domain.quantities['depth'] |
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396 | |
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397 | # Go testing |
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398 | domain.set_quantity('elevation', A) |
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399 | domain.add_quantity('elevation', B) |
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400 | assert num.allclose(elevation.vertex_values, A+B) |
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401 | |
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402 | domain.add_quantity('elevation', 4) |
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403 | assert num.allclose(elevation.vertex_values, A+B+4) |
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404 | |
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405 | |
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406 | # Test using expression |
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407 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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408 | [0,0,9], [-6, 3, 3]]) |
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409 | domain.set_quantity('depth', 1.0) |
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410 | domain.add_quantity('depth', expression = 'stage - elevation') |
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411 | assert num.allclose(depth.vertex_values, stage.vertex_values-elevation.vertex_values+1) |
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412 | |
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413 | |
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414 | # Check self referential expression |
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415 | reference = 2*stage.vertex_values - depth.vertex_values |
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416 | domain.add_quantity('stage', expression = 'stage - depth') |
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417 | assert num.allclose(stage.vertex_values, reference) |
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418 | |
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419 | |
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420 | # Test using a function |
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421 | def f(x, y): |
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422 | return x+y |
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423 | |
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424 | domain.set_quantity('elevation', f) |
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425 | domain.set_quantity('stage', 5.0) |
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426 | domain.set_quantity('depth', expression = 'stage - elevation') |
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427 | |
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428 | domain.add_quantity('depth', f) |
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429 | assert num.allclose(stage.vertex_values, depth.vertex_values) |
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430 | |
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431 | |
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432 | |
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433 | |
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434 | |
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435 | |
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436 | def test_setting_timestepping_method(self): |
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437 | """test_setting_timestepping_method |
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438 | """ |
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439 | |
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440 | a = [0.0, 0.0] |
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441 | b = [0.0, 2.0] |
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442 | c = [2.0,0.0] |
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443 | d = [0.0, 4.0] |
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444 | e = [2.0, 2.0] |
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445 | f = [4.0,0.0] |
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446 | |
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447 | points = [a, b, c, d, e, f] |
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448 | #bac, bce, ecf, dbe, daf, dae |
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449 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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450 | |
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451 | |
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452 | domain = Domain(points, vertices, boundary=None, |
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453 | conserved_quantities =\ |
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454 | ['stage', 'xmomentum', 'ymomentum'], |
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455 | other_quantities = ['elevation', 'friction', 'depth']) |
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456 | |
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457 | |
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458 | domain.timestepping_method = None |
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459 | |
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460 | |
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461 | # Check that invalid requests are dealt with |
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462 | try: |
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463 | domain.set_timestepping_method('eee') |
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464 | except: |
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465 | pass |
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466 | else: |
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467 | msg = 'Should have caught illegal method' |
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468 | raise Exception, msg |
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469 | |
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470 | |
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471 | #Should have no trouble with euler, rk2 or rk3 |
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472 | domain.set_timestepping_method('euler') |
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473 | domain.set_timestepping_method('rk2') |
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474 | domain.set_timestepping_method('rk3') |
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475 | |
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476 | domain.set_timestepping_method(1) |
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477 | domain.set_timestepping_method(2) |
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478 | domain.set_timestepping_method(3) |
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479 | |
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480 | #test get timestepping method |
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481 | assert domain.get_timestepping_method() == 'rk3' |
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482 | |
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483 | |
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484 | |
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485 | def test_boundary_indices(self): |
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486 | |
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487 | from anuga.config import default_boundary_tag |
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488 | |
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489 | |
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490 | a = [0.0, 0.5] |
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491 | b = [0.0, 0.0] |
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492 | c = [0.5, 0.5] |
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493 | |
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494 | points = [a, b, c] |
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495 | vertices = [ [0,1,2] ] |
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496 | domain = Domain(points, vertices) |
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497 | |
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498 | domain.set_boundary( {default_boundary_tag: Dirichlet_boundary([5,2,1])} ) |
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499 | |
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500 | |
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501 | domain.check_integrity() |
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502 | |
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503 | assert num.allclose(domain.neighbours, [[-1,-2,-3]]) |
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504 | |
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505 | |
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506 | |
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507 | def test_boundary_conditions(self): |
---|
508 | |
---|
509 | a = [0.0, 0.0] |
---|
510 | b = [0.0, 2.0] |
---|
511 | c = [2.0,0.0] |
---|
512 | d = [0.0, 4.0] |
---|
513 | e = [2.0, 2.0] |
---|
514 | f = [4.0,0.0] |
---|
515 | |
---|
516 | points = [a, b, c, d, e, f] |
---|
517 | #bac, bce, ecf, dbe |
---|
518 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
519 | boundary = { (0, 0): 'First', |
---|
520 | (0, 2): 'First', |
---|
521 | (2, 0): 'Second', |
---|
522 | (2, 1): 'Second', |
---|
523 | (3, 1): 'Second', |
---|
524 | (3, 2): 'Second'} |
---|
525 | |
---|
526 | |
---|
527 | domain = Domain(points, vertices, boundary, |
---|
528 | conserved_quantities =\ |
---|
529 | ['stage', 'xmomentum', 'ymomentum']) |
---|
530 | domain.check_integrity() |
---|
531 | |
---|
532 | |
---|
533 | |
---|
534 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
---|
535 | [0,0,9], [-6, 3, 3]]) |
---|
536 | |
---|
537 | |
---|
538 | domain.set_boundary( {'First': Dirichlet_boundary([5,2,1]), |
---|
539 | 'Second': Transmissive_boundary(domain)} ) |
---|
540 | |
---|
541 | domain.update_boundary() |
---|
542 | |
---|
543 | assert domain.quantities['stage'].boundary_values[0] == 5. #Dirichlet |
---|
544 | assert domain.quantities['stage'].boundary_values[1] == 5. #Dirichlet |
---|
545 | assert domain.quantities['stage'].boundary_values[2] ==\ |
---|
546 | domain.get_conserved_quantities(2, edge=0)[0] #Transmissive (4.5) |
---|
547 | assert domain.quantities['stage'].boundary_values[3] ==\ |
---|
548 | domain.get_conserved_quantities(2, edge=1)[0] #Transmissive (4.5) |
---|
549 | assert domain.quantities['stage'].boundary_values[4] ==\ |
---|
550 | domain.get_conserved_quantities(3, edge=1)[0] #Transmissive (-1.5) |
---|
551 | assert domain.quantities['stage'].boundary_values[5] ==\ |
---|
552 | domain.get_conserved_quantities(3, edge=2)[0] #Transmissive (-1.5) |
---|
553 | |
---|
554 | #Check enumeration |
---|
555 | for k, ((vol_id, edge_id), _) in enumerate(domain.boundary_objects): |
---|
556 | assert domain.neighbours[vol_id, edge_id] == -k-1 |
---|
557 | |
---|
558 | |
---|
559 | |
---|
560 | |
---|
561 | def test_conserved_evolved_boundary_conditions(self): |
---|
562 | |
---|
563 | a = [0.0, 0.0] |
---|
564 | b = [0.0, 2.0] |
---|
565 | c = [2.0,0.0] |
---|
566 | d = [0.0, 4.0] |
---|
567 | e = [2.0, 2.0] |
---|
568 | f = [4.0,0.0] |
---|
569 | |
---|
570 | points = [a, b, c, d, e, f] |
---|
571 | #bac, bce, ecf, dbe |
---|
572 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
573 | boundary = { (0, 0): 'First', |
---|
574 | (0, 2): 'First', |
---|
575 | (2, 0): 'Second', |
---|
576 | (2, 1): 'Second', |
---|
577 | (3, 1): 'Second', |
---|
578 | (3, 2): 'Second'} |
---|
579 | |
---|
580 | |
---|
581 | |
---|
582 | try: |
---|
583 | domain = Domain(points, vertices, boundary, |
---|
584 | conserved_quantities = ['stage', 'xmomentum', 'ymomentum'], |
---|
585 | evolved_quantities =\ |
---|
586 | ['stage', 'xmomentum', 'xvelocity', 'ymomentum', 'yvelocity']) |
---|
587 | except: |
---|
588 | pass |
---|
589 | else: |
---|
590 | msg = 'Should have caught the evolved quantities not being in order' |
---|
591 | raise Exception, msg |
---|
592 | |
---|
593 | |
---|
594 | domain = Domain(points, vertices, boundary, |
---|
595 | conserved_quantities = ['stage', 'xmomentum', 'ymomentum'], |
---|
596 | evolved_quantities =\ |
---|
597 | ['stage', 'xmomentum', 'ymomentum', 'xvelocity', 'yvelocity']) |
---|
598 | |
---|
599 | |
---|
600 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
---|
601 | [0,0,9], [6, -3, 3]]) |
---|
602 | |
---|
603 | |
---|
604 | domain.set_boundary( {'First': Dirichlet_boundary([5,2,1,4,6]), |
---|
605 | 'Second': Transmissive_boundary(domain)} ) |
---|
606 | |
---|
607 | try: |
---|
608 | domain.update_boundary() |
---|
609 | except: |
---|
610 | pass |
---|
611 | else: |
---|
612 | msg = 'Should have caught the lack of conserved_values_to_evolved_values member function' |
---|
613 | raise Exception, msg |
---|
614 | |
---|
615 | |
---|
616 | def conserved_values_to_evolved_values(q_cons, q_evol): |
---|
617 | |
---|
618 | q_evol[0:3] = q_cons |
---|
619 | q_evol[3] = q_cons[1]/q_cons[0] |
---|
620 | q_evol[4] = q_cons[2]/q_cons[0] |
---|
621 | |
---|
622 | return q_evol |
---|
623 | |
---|
624 | domain.conserved_values_to_evolved_values = conserved_values_to_evolved_values |
---|
625 | |
---|
626 | domain.update_boundary() |
---|
627 | |
---|
628 | |
---|
629 | assert domain.quantities['stage'].boundary_values[0] == 5. #Dirichlet |
---|
630 | assert domain.quantities['stage'].boundary_values[1] == 5. #Dirichlet |
---|
631 | assert domain.quantities['xvelocity'].boundary_values[0] == 4. #Dirichlet |
---|
632 | assert domain.quantities['yvelocity'].boundary_values[1] == 6. #Dirichlet |
---|
633 | |
---|
634 | q_cons = domain.get_conserved_quantities(2, edge=0) #Transmissive |
---|
635 | assert domain.quantities['stage' ].boundary_values[2] == q_cons[0] |
---|
636 | assert domain.quantities['xmomentum'].boundary_values[2] == q_cons[1] |
---|
637 | assert domain.quantities['ymomentum'].boundary_values[2] == q_cons[2] |
---|
638 | assert domain.quantities['xvelocity'].boundary_values[2] == q_cons[1]/q_cons[0] |
---|
639 | assert domain.quantities['yvelocity'].boundary_values[2] == q_cons[2]/q_cons[0] |
---|
640 | |
---|
641 | q_cons = domain.get_conserved_quantities(2, edge=1) #Transmissive |
---|
642 | assert domain.quantities['stage' ].boundary_values[3] == q_cons[0] |
---|
643 | assert domain.quantities['xmomentum'].boundary_values[3] == q_cons[1] |
---|
644 | assert domain.quantities['ymomentum'].boundary_values[3] == q_cons[2] |
---|
645 | assert domain.quantities['xvelocity'].boundary_values[3] == q_cons[1]/q_cons[0] |
---|
646 | assert domain.quantities['yvelocity'].boundary_values[3] == q_cons[2]/q_cons[0] |
---|
647 | |
---|
648 | |
---|
649 | q_cons = domain.get_conserved_quantities(3, edge=1) #Transmissive |
---|
650 | assert domain.quantities['stage' ].boundary_values[4] == q_cons[0] |
---|
651 | assert domain.quantities['xmomentum'].boundary_values[4] == q_cons[1] |
---|
652 | assert domain.quantities['ymomentum'].boundary_values[4] == q_cons[2] |
---|
653 | assert domain.quantities['xvelocity'].boundary_values[4] == q_cons[1]/q_cons[0] |
---|
654 | assert domain.quantities['yvelocity'].boundary_values[4] == q_cons[2]/q_cons[0] |
---|
655 | |
---|
656 | |
---|
657 | q_cons = domain.get_conserved_quantities(3, edge=2) #Transmissive |
---|
658 | assert domain.quantities['stage' ].boundary_values[5] == q_cons[0] |
---|
659 | assert domain.quantities['xmomentum'].boundary_values[5] == q_cons[1] |
---|
660 | assert domain.quantities['ymomentum'].boundary_values[5] == q_cons[2] |
---|
661 | assert domain.quantities['xvelocity'].boundary_values[5] == q_cons[1]/q_cons[0] |
---|
662 | assert domain.quantities['yvelocity'].boundary_values[5] == q_cons[2]/q_cons[0] |
---|
663 | |
---|
664 | |
---|
665 | def test_distribute_first_order(self): |
---|
666 | """Domain implements a default first order gradient limiter |
---|
667 | """ |
---|
668 | |
---|
669 | a = [0.0, 0.0] |
---|
670 | b = [0.0, 2.0] |
---|
671 | c = [2.0,0.0] |
---|
672 | d = [0.0, 4.0] |
---|
673 | e = [2.0, 2.0] |
---|
674 | f = [4.0,0.0] |
---|
675 | |
---|
676 | points = [a, b, c, d, e, f] |
---|
677 | #bac, bce, ecf, dbe |
---|
678 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
679 | boundary = { (0, 0): 'Third', |
---|
680 | (0, 2): 'First', |
---|
681 | (2, 0): 'Second', |
---|
682 | (2, 1): 'Second', |
---|
683 | (3, 1): 'Second', |
---|
684 | (3, 2): 'Third'} |
---|
685 | |
---|
686 | |
---|
687 | domain = Domain(points, vertices, boundary, |
---|
688 | conserved_quantities =\ |
---|
689 | ['stage', 'xmomentum', 'ymomentum']) |
---|
690 | domain.set_default_order(1) |
---|
691 | domain.check_integrity() |
---|
692 | |
---|
693 | |
---|
694 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
---|
695 | [0,0,9], [-6, 3, 3]]) |
---|
696 | |
---|
697 | assert num.allclose( domain.quantities['stage'].centroid_values, |
---|
698 | [2,5,3,0] ) |
---|
699 | |
---|
700 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
---|
701 | [3,3,3], [4, 4, 4]]) |
---|
702 | |
---|
703 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
---|
704 | [30,30,30], [40, 40, 40]]) |
---|
705 | |
---|
706 | |
---|
707 | domain.distribute_to_vertices_and_edges() |
---|
708 | |
---|
709 | #First order extrapolation |
---|
710 | assert num.allclose( domain.quantities['stage'].vertex_values, |
---|
711 | [[ 2., 2., 2.], |
---|
712 | [ 5., 5., 5.], |
---|
713 | [ 3., 3., 3.], |
---|
714 | [ 0., 0., 0.]]) |
---|
715 | |
---|
716 | |
---|
717 | |
---|
718 | |
---|
719 | def test_update_conserved_quantities(self): |
---|
720 | a = [0.0, 0.0] |
---|
721 | b = [0.0, 2.0] |
---|
722 | c = [2.0,0.0] |
---|
723 | d = [0.0, 4.0] |
---|
724 | e = [2.0, 2.0] |
---|
725 | f = [4.0,0.0] |
---|
726 | |
---|
727 | points = [a, b, c, d, e, f] |
---|
728 | #bac, bce, ecf, dbe |
---|
729 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
730 | boundary = { (0, 0): 'Third', |
---|
731 | (0, 2): 'First', |
---|
732 | (2, 0): 'Second', |
---|
733 | (2, 1): 'Second', |
---|
734 | (3, 1): 'Second', |
---|
735 | (3, 2): 'Third'} |
---|
736 | |
---|
737 | |
---|
738 | domain = Domain(points, vertices, boundary, |
---|
739 | conserved_quantities =\ |
---|
740 | ['stage', 'xmomentum', 'ymomentum']) |
---|
741 | domain.check_integrity() |
---|
742 | |
---|
743 | |
---|
744 | domain.set_quantity('stage', [1,2,3,4], location='centroids') |
---|
745 | domain.set_quantity('xmomentum', [1,2,3,4], location='centroids') |
---|
746 | domain.set_quantity('ymomentum', [1,2,3,4], location='centroids') |
---|
747 | |
---|
748 | |
---|
749 | #Assign some values to update vectors |
---|
750 | #Set explicit_update |
---|
751 | |
---|
752 | |
---|
753 | for name in domain.conserved_quantities: |
---|
754 | domain.quantities[name].explicit_update = num.array([4.,3.,2.,1.]) |
---|
755 | domain.quantities[name].semi_implicit_update = num.array([1.,1.,1.,1.]) |
---|
756 | |
---|
757 | |
---|
758 | #Update with given timestep (assuming no other forcing terms) |
---|
759 | domain.timestep = 0.1 |
---|
760 | domain.update_conserved_quantities() |
---|
761 | |
---|
762 | sem = num.array([1.,1.,1.,1.])/num.array([1, 2, 3, 4]) |
---|
763 | denom = num.ones(4, num.float) - domain.timestep*sem |
---|
764 | |
---|
765 | # x = array([1, 2, 3, 4]) + array( [.4,.3,.2,.1] ) |
---|
766 | # x /= denom |
---|
767 | |
---|
768 | x = num.array([1., 2., 3., 4.]) |
---|
769 | x += domain.timestep*num.array( [4,3,2,1] ) |
---|
770 | x /= denom |
---|
771 | |
---|
772 | |
---|
773 | for name in domain.conserved_quantities: |
---|
774 | assert num.allclose(domain.quantities[name].centroid_values, x) |
---|
775 | |
---|
776 | |
---|
777 | def test_set_region(self): |
---|
778 | """Set quantities for sub region |
---|
779 | """ |
---|
780 | |
---|
781 | a = [0.0, 0.0] |
---|
782 | b = [0.0, 2.0] |
---|
783 | c = [2.0,0.0] |
---|
784 | d = [0.0, 4.0] |
---|
785 | e = [2.0, 2.0] |
---|
786 | f = [4.0,0.0] |
---|
787 | |
---|
788 | points = [a, b, c, d, e, f] |
---|
789 | #bac, bce, ecf, dbe |
---|
790 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
---|
791 | boundary = { (0, 0): 'Third', |
---|
792 | (0, 2): 'First', |
---|
793 | (2, 0): 'Second', |
---|
794 | (2, 1): 'Second', |
---|
795 | (3, 1): 'Second', |
---|
796 | (3, 2): 'Third'} |
---|
797 | |
---|
798 | domain = Domain(points, vertices, boundary, |
---|
799 | conserved_quantities =\ |
---|
800 | ['stage', 'xmomentum', 'ymomentum']) |
---|
801 | domain.set_default_order(1) |
---|
802 | domain.check_integrity() |
---|
803 | |
---|
804 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
---|
805 | [0,0,9], [-6, 3, 3]]) |
---|
806 | |
---|
807 | assert num.allclose( domain.quantities['stage'].centroid_values, |
---|
808 | [2,5,3,0] ) |
---|
809 | |
---|
810 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
---|
811 | [3,3,3], [4, 4, 4]]) |
---|
812 | |
---|
813 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
---|
814 | [30,30,30], [40, 40, 40]]) |
---|
815 | |
---|
816 | |
---|
817 | domain.distribute_to_vertices_and_edges() |
---|
818 | |
---|
819 | #First order extrapolation |
---|
820 | assert num.allclose( domain.quantities['stage'].vertex_values, |
---|
821 | [[ 2., 2., 2.], |
---|
822 | [ 5., 5., 5.], |
---|
823 | [ 3., 3., 3.], |
---|
824 | [ 0., 0., 0.]]) |
---|
825 | |
---|
826 | domain.build_tagged_elements_dictionary({'mound':[0,1]}) |
---|
827 | domain.set_region([add_to_verts]) |
---|
828 | |
---|
829 | self.failUnless(domain.test == "Mound", |
---|
830 | 'set region failed') |
---|
831 | |
---|
832 | |
---|
833 | def test_track_speeds(self): |
---|
834 | """ |
---|
835 | get values based on triangle lists. |
---|
836 | """ |
---|
837 | from mesh_factory import rectangular |
---|
838 | from shallow_water import Domain |
---|
839 | |
---|
840 | #Create basic mesh |
---|
841 | points, vertices, boundary = rectangular(1, 3) |
---|
842 | |
---|
843 | #Create shallow water domain |
---|
844 | domain = Domain(points, vertices, boundary) |
---|
845 | domain.timestepping_statistics(track_speeds=True) |
---|
846 | |
---|
847 | |
---|
848 | |
---|
849 | def test_region_tags(self): |
---|
850 | """ |
---|
851 | get values based on triangle lists. |
---|
852 | """ |
---|
853 | from mesh_factory import rectangular |
---|
854 | from shallow_water import Domain |
---|
855 | |
---|
856 | #Create basic mesh |
---|
857 | points, vertices, boundary = rectangular(1, 3) |
---|
858 | |
---|
859 | #Create shallow water domain |
---|
860 | domain = Domain(points, vertices, boundary) |
---|
861 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
---|
862 | 'top':[4,5], |
---|
863 | 'all':[0,1,2,3,4,5]}) |
---|
864 | |
---|
865 | |
---|
866 | #Set friction |
---|
867 | manning = 0.07 |
---|
868 | domain.set_quantity('friction', manning) |
---|
869 | |
---|
870 | domain.set_region([set_bottom_friction, set_top_friction]) |
---|
871 | assert num.allclose(domain.quantities['friction'].get_values(),\ |
---|
872 | [[ 0.09, 0.09, 0.09], |
---|
873 | [ 0.09, 0.09, 0.09], |
---|
874 | [ 0.07, 0.07, 0.07], |
---|
875 | [ 0.07, 0.07, 0.07], |
---|
876 | [ 1.0, 1.0, 1.0], |
---|
877 | [ 1.0, 1.0, 1.0]]) |
---|
878 | |
---|
879 | domain.set_region([set_all_friction]) |
---|
880 | assert num.allclose(domain.quantities['friction'].get_values(), |
---|
881 | [[ 10.09, 10.09, 10.09], |
---|
882 | [ 10.09, 10.09, 10.09], |
---|
883 | [ 10.07, 10.07, 10.07], |
---|
884 | [ 10.07, 10.07, 10.07], |
---|
885 | [ 11.0, 11.0, 11.0], |
---|
886 | [ 11.0, 11.0, 11.0]]) |
---|
887 | |
---|
888 | |
---|
889 | def test_region_tags2(self): |
---|
890 | """ |
---|
891 | get values based on triangle lists. |
---|
892 | """ |
---|
893 | from mesh_factory import rectangular |
---|
894 | from shallow_water import Domain |
---|
895 | |
---|
896 | #Create basic mesh |
---|
897 | points, vertices, boundary = rectangular(1, 3) |
---|
898 | |
---|
899 | #Create shallow water domain |
---|
900 | domain = Domain(points, vertices, boundary) |
---|
901 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
---|
902 | 'top':[4,5], |
---|
903 | 'all':[0,1,2,3,4,5]}) |
---|
904 | |
---|
905 | |
---|
906 | #Set friction |
---|
907 | manning = 0.07 |
---|
908 | domain.set_quantity('friction', manning) |
---|
909 | |
---|
910 | domain.set_region('top', 'friction', 1.0) |
---|
911 | domain.set_region('bottom', 'friction', 0.09) |
---|
912 | |
---|
913 | msg = ("domain.quantities['friction'].get_values()=\n%s\n" |
---|
914 | 'should equal\n' |
---|
915 | '[[ 0.09, 0.09, 0.09],\n' |
---|
916 | ' [ 0.09, 0.09, 0.09],\n' |
---|
917 | ' [ 0.07, 0.07, 0.07],\n' |
---|
918 | ' [ 0.07, 0.07, 0.07],\n' |
---|
919 | ' [ 1.0, 1.0, 1.0],\n' |
---|
920 | ' [ 1.0, 1.0, 1.0]]' |
---|
921 | % str(domain.quantities['friction'].get_values())) |
---|
922 | assert num.allclose(domain.quantities['friction'].get_values(), |
---|
923 | [[ 0.09, 0.09, 0.09], |
---|
924 | [ 0.09, 0.09, 0.09], |
---|
925 | [ 0.07, 0.07, 0.07], |
---|
926 | [ 0.07, 0.07, 0.07], |
---|
927 | [ 1.0, 1.0, 1.0], |
---|
928 | [ 1.0, 1.0, 1.0]]), msg |
---|
929 | |
---|
930 | domain.set_region([set_bottom_friction, set_top_friction]) |
---|
931 | assert num.allclose(domain.quantities['friction'].get_values(), |
---|
932 | [[ 0.09, 0.09, 0.09], |
---|
933 | [ 0.09, 0.09, 0.09], |
---|
934 | [ 0.07, 0.07, 0.07], |
---|
935 | [ 0.07, 0.07, 0.07], |
---|
936 | [ 1.0, 1.0, 1.0], |
---|
937 | [ 1.0, 1.0, 1.0]]) |
---|
938 | |
---|
939 | domain.set_region([set_all_friction]) |
---|
940 | assert num.allclose(domain.quantities['friction'].get_values(), |
---|
941 | [[ 10.09, 10.09, 10.09], |
---|
942 | [ 10.09, 10.09, 10.09], |
---|
943 | [ 10.07, 10.07, 10.07], |
---|
944 | [ 10.07, 10.07, 10.07], |
---|
945 | [ 11.0, 11.0, 11.0], |
---|
946 | [ 11.0, 11.0, 11.0]]) |
---|
947 | |
---|
948 | def test_rectangular_periodic_and_ghosts(self): |
---|
949 | |
---|
950 | from mesh_factory import rectangular_periodic |
---|
951 | |
---|
952 | |
---|
953 | M=5 |
---|
954 | N=2 |
---|
955 | points, vertices, boundary, full_send_dict, ghost_recv_dict = rectangular_periodic(M, N) |
---|
956 | |
---|
957 | assert num.allclose(ghost_recv_dict[0][0], [24, 25, 26, 27, 0, 1, 2, 3]) |
---|
958 | assert num.allclose(full_send_dict[0][0] , [ 4, 5, 6, 7, 20, 21, 22, 23]) |
---|
959 | |
---|
960 | conserved_quantities = ['quant1', 'quant2'] |
---|
961 | domain = Domain(points, vertices, boundary, conserved_quantities, |
---|
962 | full_send_dict=full_send_dict, |
---|
963 | ghost_recv_dict=ghost_recv_dict) |
---|
964 | |
---|
965 | |
---|
966 | |
---|
967 | |
---|
968 | assert num.allclose(ghost_recv_dict[0][0], [24, 25, 26, 27, 0, 1, 2, 3]) |
---|
969 | assert num.allclose(full_send_dict[0][0] , [ 4, 5, 6, 7, 20, 21, 22, 23]) |
---|
970 | |
---|
971 | def xylocation(x,y): |
---|
972 | return 15*x + 9*y |
---|
973 | |
---|
974 | |
---|
975 | domain.set_quantity('quant1',xylocation,location='centroids') |
---|
976 | domain.set_quantity('quant2',xylocation,location='centroids') |
---|
977 | |
---|
978 | |
---|
979 | assert num.allclose(domain.quantities['quant1'].centroid_values, |
---|
980 | [ 0.5, 1., 5., 5.5, 3.5, 4., 8., 8.5, 6.5, 7., 11., 11.5, 9.5, |
---|
981 | 10., 14., 14.5, 12.5, 13., 17., 17.5, 15.5, 16., 20., 20.5, |
---|
982 | 18.5, 19., 23., 23.5]) |
---|
983 | |
---|
984 | |
---|
985 | |
---|
986 | assert num.allclose(domain.quantities['quant2'].centroid_values, |
---|
987 | [ 0.5, 1., 5., 5.5, 3.5, 4., 8., 8.5, 6.5, 7., 11., 11.5, 9.5, |
---|
988 | 10., 14., 14.5, 12.5, 13., 17., 17.5, 15.5, 16., 20., 20.5, |
---|
989 | 18.5, 19., 23., 23.5]) |
---|
990 | |
---|
991 | domain.update_ghosts() |
---|
992 | |
---|
993 | |
---|
994 | assert num.allclose(domain.quantities['quant1'].centroid_values, |
---|
995 | [ 15.5, 16., 20., 20.5, 3.5, 4., 8., 8.5, 6.5, 7., 11., 11.5, 9.5, |
---|
996 | 10., 14., 14.5, 12.5, 13., 17., 17.5, 15.5, 16., 20., 20.5, |
---|
997 | 3.5, 4., 8., 8.5]) |
---|
998 | |
---|
999 | |
---|
1000 | |
---|
1001 | assert num.allclose(domain.quantities['quant2'].centroid_values, |
---|
1002 | [ 15.5, 16., 20., 20.5, 3.5, 4., 8., 8.5, 6.5, 7., 11., 11.5, 9.5, |
---|
1003 | 10., 14., 14.5, 12.5, 13., 17., 17.5, 15.5, 16., 20., 20.5, |
---|
1004 | 3.5, 4., 8., 8.5]) |
---|
1005 | |
---|
1006 | |
---|
1007 | assert num.allclose(domain.tri_full_flag, [0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, |
---|
1008 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0]) |
---|
1009 | |
---|
1010 | #Test that points are arranged in a counter clock wise order |
---|
1011 | domain.check_integrity() |
---|
1012 | |
---|
1013 | |
---|
1014 | def test_that_mesh_methods_exist(self): |
---|
1015 | """test_that_mesh_methods_exist |
---|
1016 | |
---|
1017 | Test that relavent mesh methods are made available in |
---|
1018 | domain through composition |
---|
1019 | """ |
---|
1020 | from mesh_factory import rectangular |
---|
1021 | from shallow_water import Domain |
---|
1022 | |
---|
1023 | # Create basic mesh |
---|
1024 | points, vertices, boundary = rectangular(1, 3) |
---|
1025 | |
---|
1026 | # Create shallow water domain |
---|
1027 | domain = Domain(points, vertices, boundary) |
---|
1028 | |
---|
1029 | |
---|
1030 | domain.get_centroid_coordinates() |
---|
1031 | domain.get_radii() |
---|
1032 | domain.get_areas() |
---|
1033 | domain.get_area() |
---|
1034 | domain.get_vertex_coordinates() |
---|
1035 | domain.get_triangles() |
---|
1036 | domain.get_nodes() |
---|
1037 | domain.get_number_of_nodes() |
---|
1038 | domain.get_normal(0,0) |
---|
1039 | domain.get_triangle_containing_point([0.4,0.5]) |
---|
1040 | domain.get_intersecting_segments([[0.0, 0.0], [0.0, 1.0]]) |
---|
1041 | domain.get_disconnected_triangles() |
---|
1042 | domain.get_boundary_tags() |
---|
1043 | domain.get_boundary_polygon() |
---|
1044 | #domain.get_number_of_triangles_per_node() |
---|
1045 | domain.get_triangles_and_vertices_per_node() |
---|
1046 | domain.get_interpolation_object() |
---|
1047 | domain.get_tagged_elements() |
---|
1048 | domain.get_lone_vertices() |
---|
1049 | domain.get_unique_vertices() |
---|
1050 | g = domain.get_georeference() |
---|
1051 | domain.set_georeference(g) |
---|
1052 | domain.build_tagged_elements_dictionary() |
---|
1053 | domain.statistics() |
---|
1054 | domain.get_extent() |
---|
1055 | |
---|
1056 | |
---|
1057 | |
---|
1058 | |
---|
1059 | #------------------------------------------------------------- |
---|
1060 | |
---|
1061 | if __name__ == "__main__": |
---|
1062 | suite = unittest.makeSuite(Test_Domain,'test') |
---|
1063 | runner = unittest.TextTestRunner() |
---|
1064 | runner.run(suite) |
---|