| 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 | #print 'bottom - indices',elements |
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| 20 | domain.set_quantity('friction', 0.09, indices = elements) |
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| 21 | |
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| 22 | def set_top_friction(tag, elements, domain): |
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| 23 | if tag == "top": |
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| 24 | #print 'top - indices',elements |
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| 25 | domain.set_quantity('friction', 1., indices = elements) |
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| 26 | |
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| 27 | |
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| 28 | def set_all_friction(tag, elements, domain): |
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| 29 | if tag == 'all': |
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| 30 | new_values = domain.get_quantity('friction').get_values(indices = elements) + 10.0 |
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| 31 | |
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| 32 | domain.set_quantity('friction', new_values, indices = elements) |
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| 33 | |
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| 34 | |
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| 35 | class Test_Domain(unittest.TestCase): |
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| 36 | def setUp(self): |
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| 37 | pass |
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| 38 | |
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| 39 | |
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| 40 | def tearDown(self): |
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| 41 | pass |
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| 42 | |
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| 43 | |
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| 44 | def test_simple(self): |
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| 45 | a = [0.0, 0.0] |
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| 46 | b = [0.0, 2.0] |
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| 47 | c = [2.0,0.0] |
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| 48 | d = [0.0, 4.0] |
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| 49 | e = [2.0, 2.0] |
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| 50 | f = [4.0,0.0] |
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| 51 | |
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| 52 | points = [a, b, c, d, e, f] |
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| 53 | #bac, bce, ecf, dbe, daf, dae |
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| 54 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 55 | |
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| 56 | conserved_quantities = ['stage', 'xmomentum', 'ymomentum'] |
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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, 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 | def test_conserved_quantities(self): |
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| 71 | |
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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 | domain = Domain(points, vertices, boundary=None, |
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| 84 | conserved_quantities =\ |
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| 85 | ['stage', 'xmomentum', 'ymomentum']) |
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| 86 | |
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| 87 | |
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| 88 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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| 89 | [0,0,9], [-6, 3, 3]]) |
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| 90 | |
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| 91 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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| 92 | [0,0,9], [-6, 3, 3]]) |
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| 93 | |
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| 94 | domain.check_integrity() |
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| 95 | |
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| 96 | #Centroids |
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| 97 | q = domain.get_conserved_quantities(0) |
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| 98 | assert num.allclose(q, [2., 2., 0.]) |
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| 99 | |
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| 100 | q = domain.get_conserved_quantities(1) |
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| 101 | assert num.allclose(q, [5., 5., 0.]) |
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| 102 | |
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| 103 | q = domain.get_conserved_quantities(2) |
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| 104 | assert num.allclose(q, [3., 3., 0.]) |
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| 105 | |
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| 106 | q = domain.get_conserved_quantities(3) |
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| 107 | assert num.allclose(q, [0., 0., 0.]) |
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| 108 | |
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| 109 | |
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| 110 | #Edges |
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| 111 | q = domain.get_conserved_quantities(0, edge=0) |
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| 112 | assert num.allclose(q, [2.5, 2.5, 0.]) |
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| 113 | q = domain.get_conserved_quantities(0, edge=1) |
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| 114 | assert num.allclose(q, [2., 2., 0.]) |
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| 115 | q = domain.get_conserved_quantities(0, edge=2) |
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| 116 | assert num.allclose(q, [1.5, 1.5, 0.]) |
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| 117 | |
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| 118 | for i in range(3): |
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| 119 | q = domain.get_conserved_quantities(1, edge=i) |
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| 120 | assert num.allclose(q, [5, 5, 0.]) |
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| 121 | |
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| 122 | |
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| 123 | q = domain.get_conserved_quantities(2, edge=0) |
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| 124 | assert num.allclose(q, [4.5, 4.5, 0.]) |
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| 125 | q = domain.get_conserved_quantities(2, edge=1) |
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| 126 | assert num.allclose(q, [4.5, 4.5, 0.]) |
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| 127 | q = domain.get_conserved_quantities(2, edge=2) |
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| 128 | assert num.allclose(q, [0., 0., 0.]) |
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| 129 | |
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| 130 | |
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| 131 | q = domain.get_conserved_quantities(3, edge=0) |
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| 132 | assert num.allclose(q, [3., 3., 0.]) |
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| 133 | q = domain.get_conserved_quantities(3, edge=1) |
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| 134 | assert num.allclose(q, [-1.5, -1.5, 0.]) |
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| 135 | q = domain.get_conserved_quantities(3, edge=2) |
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| 136 | assert num.allclose(q, [-1.5, -1.5, 0.]) |
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| 137 | |
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| 138 | |
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| 139 | |
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| 140 | def test_create_quantity_from_expression(self): |
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| 141 | """Quantity created from other quantities using arbitrary expression |
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| 142 | |
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| 143 | """ |
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| 144 | |
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| 145 | |
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| 146 | a = [0.0, 0.0] |
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| 147 | b = [0.0, 2.0] |
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| 148 | c = [2.0,0.0] |
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| 149 | d = [0.0, 4.0] |
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| 150 | e = [2.0, 2.0] |
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| 151 | f = [4.0,0.0] |
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| 152 | |
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| 153 | points = [a, b, c, d, e, f] |
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| 154 | #bac, bce, ecf, dbe, daf, dae |
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| 155 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 156 | |
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| 157 | domain = Domain(points, vertices, boundary=None, |
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| 158 | conserved_quantities =\ |
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| 159 | ['stage', 'xmomentum', 'ymomentum'], |
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| 160 | other_quantities = ['elevation', 'friction']) |
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| 161 | |
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| 162 | |
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| 163 | domain.set_quantity('elevation', -1) |
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| 164 | |
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| 165 | |
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| 166 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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| 167 | [0,0,9], [-6, 3, 3]]) |
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| 168 | |
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| 169 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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| 170 | [0,0,9], [-6, 3, 3]]) |
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| 171 | |
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| 172 | domain.set_quantity('ymomentum', [[3,3,3], [4,2,1], |
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| 173 | [2,4,-1], [1, 0, 1]]) |
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| 174 | |
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| 175 | domain.check_integrity() |
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| 176 | |
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| 177 | |
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| 178 | |
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| 179 | expression = 'stage - elevation' |
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| 180 | Q = domain.create_quantity_from_expression(expression) |
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| 181 | |
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| 182 | assert num.allclose(Q.vertex_values, [[2,3,4], [6,6,6], |
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| 183 | [1,1,10], [-5, 4, 4]]) |
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| 184 | |
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| 185 | expression = '(xmomentum*xmomentum + ymomentum*ymomentum)**0.5' |
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| 186 | Q = domain.create_quantity_from_expression(expression) |
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| 187 | |
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| 188 | X = domain.quantities['xmomentum'].vertex_values |
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| 189 | Y = domain.quantities['ymomentum'].vertex_values |
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| 190 | |
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| 191 | assert num.allclose(Q.vertex_values, (X**2 + Y**2)**0.5) |
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| 192 | |
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| 193 | |
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| 194 | |
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| 195 | def test_set_quanitities_to_be_monitored(self): |
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| 196 | """test_set_quanitities_to_be_monitored |
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| 197 | """ |
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| 198 | |
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| 199 | a = [0.0, 0.0] |
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| 200 | b = [0.0, 2.0] |
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| 201 | c = [2.0,0.0] |
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| 202 | d = [0.0, 4.0] |
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| 203 | e = [2.0, 2.0] |
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| 204 | f = [4.0,0.0] |
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| 205 | |
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| 206 | points = [a, b, c, d, e, f] |
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| 207 | #bac, bce, ecf, dbe, daf, dae |
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| 208 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 209 | |
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| 210 | |
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| 211 | domain = Domain(points, vertices, boundary=None, |
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| 212 | conserved_quantities =\ |
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| 213 | ['stage', 'xmomentum', 'ymomentum'], |
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| 214 | other_quantities = ['elevation', 'friction', 'depth']) |
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| 215 | |
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| 216 | |
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| 217 | assert domain.quantities_to_be_monitored is None |
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| 218 | domain.set_quantities_to_be_monitored(['stage', 'stage-elevation']) |
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| 219 | assert len(domain.quantities_to_be_monitored) == 2 |
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| 220 | assert domain.quantities_to_be_monitored.has_key('stage') |
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| 221 | assert domain.quantities_to_be_monitored.has_key('stage-elevation') |
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| 222 | for key in domain.quantities_to_be_monitored['stage'].keys(): |
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| 223 | assert domain.quantities_to_be_monitored['stage'][key] is None |
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| 224 | |
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| 225 | |
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| 226 | # Check that invalid requests are dealt with |
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| 227 | try: |
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| 228 | domain.set_quantities_to_be_monitored(['yyyyy']) |
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| 229 | except: |
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| 230 | pass |
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| 231 | else: |
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| 232 | msg = 'Should have caught illegal quantity' |
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| 233 | raise Exception, msg |
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| 234 | |
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| 235 | try: |
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| 236 | domain.set_quantities_to_be_monitored(['stage-xx']) |
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| 237 | except NameError: |
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| 238 | pass |
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| 239 | else: |
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| 240 | msg = 'Should have caught illegal quantity' |
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| 241 | raise Exception, msg |
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| 242 | |
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| 243 | try: |
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| 244 | domain.set_quantities_to_be_monitored('stage', 'stage-elevation') |
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| 245 | except: |
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| 246 | pass |
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| 247 | else: |
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| 248 | msg = 'Should have caught too many arguments' |
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| 249 | raise Exception, msg |
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| 250 | |
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| 251 | try: |
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| 252 | domain.set_quantities_to_be_monitored('stage', 'blablabla') |
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| 253 | except: |
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| 254 | pass |
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| 255 | else: |
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| 256 | msg = 'Should have caught polygon as a string' |
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| 257 | raise Exception, msg |
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| 258 | |
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| 259 | |
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| 260 | |
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| 261 | # Now try with a polygon restriction |
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| 262 | domain.set_quantities_to_be_monitored('xmomentum', |
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| 263 | polygon=[[1,1], [1,3], [3,3], [3,1]], |
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| 264 | time_interval = [0,3]) |
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| 265 | assert domain.monitor_indices[0] == 1 |
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| 266 | assert domain.monitor_time_interval[0] == 0 |
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| 267 | assert domain.monitor_time_interval[1] == 3 |
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| 268 | |
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| 269 | |
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| 270 | def test_set_quantity_from_expression(self): |
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| 271 | """Quantity set using arbitrary expression |
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| 272 | |
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| 273 | """ |
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| 274 | |
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| 275 | |
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| 276 | a = [0.0, 0.0] |
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| 277 | b = [0.0, 2.0] |
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| 278 | c = [2.0,0.0] |
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| 279 | d = [0.0, 4.0] |
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| 280 | e = [2.0, 2.0] |
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| 281 | f = [4.0,0.0] |
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| 282 | |
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| 283 | points = [a, b, c, d, e, f] |
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| 284 | #bac, bce, ecf, dbe, daf, dae |
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| 285 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 286 | |
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| 287 | domain = Domain(points, vertices, boundary=None, |
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| 288 | conserved_quantities =\ |
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| 289 | ['stage', 'xmomentum', 'ymomentum'], |
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| 290 | other_quantities = ['elevation', 'friction', 'depth']) |
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| 291 | |
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| 292 | |
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| 293 | domain.set_quantity('elevation', -1) |
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| 294 | |
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| 295 | |
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| 296 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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| 297 | [0,0,9], [-6, 3, 3]]) |
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| 298 | |
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| 299 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
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| 300 | [0,0,9], [-6, 3, 3]]) |
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| 301 | |
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| 302 | domain.set_quantity('ymomentum', [[3,3,3], [4,2,1], |
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| 303 | [2,4,-1], [1, 0, 1]]) |
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| 304 | |
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| 305 | |
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| 306 | |
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| 307 | |
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| 308 | domain.set_quantity('depth', expression = 'stage - elevation') |
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| 309 | |
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| 310 | domain.check_integrity() |
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| 311 | |
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| 312 | |
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| 313 | |
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| 314 | |
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| 315 | Q = domain.quantities['depth'] |
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| 316 | |
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| 317 | assert num.allclose(Q.vertex_values, [[2,3,4], [6,6,6], |
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| 318 | [1,1,10], [-5, 4, 4]]) |
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| 319 | |
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| 320 | |
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| 321 | |
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| 322 | |
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| 323 | def test_add_quantity(self): |
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| 324 | """Test that quantities already set can be added to using |
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| 325 | add_quantity |
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| 326 | |
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| 327 | """ |
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| 328 | |
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| 329 | |
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| 330 | a = [0.0, 0.0] |
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| 331 | b = [0.0, 2.0] |
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| 332 | c = [2.0,0.0] |
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| 333 | d = [0.0, 4.0] |
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| 334 | e = [2.0, 2.0] |
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| 335 | f = [4.0,0.0] |
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| 336 | |
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| 337 | points = [a, b, c, d, e, f] |
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| 338 | #bac, bce, ecf, dbe, daf, dae |
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| 339 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 340 | |
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| 341 | domain = Domain(points, vertices, boundary=None, |
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| 342 | conserved_quantities =\ |
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| 343 | ['stage', 'xmomentum', 'ymomentum'], |
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| 344 | other_quantities = ['elevation', 'friction', 'depth']) |
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| 345 | |
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| 346 | |
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| 347 | A = num.array([[1,2,3], [5,5,-5], [0,0,9], [-6,3,3]], num.float) |
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| 348 | B = num.array([[2,4,4], [3,2,1], [6,-3,4], [4,5,-1]], num.float) |
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| 349 | |
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| 350 | #print A |
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| 351 | #print B |
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| 352 | #print A+B |
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| 353 | |
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| 354 | # Shorthands |
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| 355 | stage = domain.quantities['stage'] |
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| 356 | elevation = domain.quantities['elevation'] |
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| 357 | depth = domain.quantities['depth'] |
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| 358 | |
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| 359 | # Go testing |
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| 360 | domain.set_quantity('elevation', A) |
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| 361 | domain.add_quantity('elevation', B) |
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| 362 | assert num.allclose(elevation.vertex_values, A+B) |
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| 363 | |
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| 364 | domain.add_quantity('elevation', 4) |
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| 365 | assert num.allclose(elevation.vertex_values, A+B+4) |
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| 366 | |
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| 367 | |
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| 368 | # Test using expression |
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| 369 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
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| 370 | [0,0,9], [-6, 3, 3]]) |
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| 371 | domain.set_quantity('depth', 1.0) |
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| 372 | domain.add_quantity('depth', expression = 'stage - elevation') |
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| 373 | assert num.allclose(depth.vertex_values, stage.vertex_values-elevation.vertex_values+1) |
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| 374 | |
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| 375 | |
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| 376 | # Check self referential expression |
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| 377 | reference = 2*stage.vertex_values - depth.vertex_values |
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| 378 | domain.add_quantity('stage', expression = 'stage - depth') |
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| 379 | assert num.allclose(stage.vertex_values, reference) |
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| 380 | |
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| 381 | |
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| 382 | # Test using a function |
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| 383 | def f(x, y): |
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| 384 | return x+y |
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| 385 | |
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| 386 | domain.set_quantity('elevation', f) |
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| 387 | domain.set_quantity('stage', 5.0) |
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| 388 | domain.set_quantity('depth', expression = 'stage - elevation') |
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| 389 | |
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| 390 | domain.add_quantity('depth', f) |
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| 391 | assert num.allclose(stage.vertex_values, depth.vertex_values) |
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| 392 | |
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| 393 | |
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| 394 | |
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| 395 | |
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| 396 | |
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| 397 | |
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| 398 | def test_setting_timestepping_method(self): |
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| 399 | """test_set_quanitities_to_be_monitored |
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| 400 | """ |
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| 401 | |
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| 402 | a = [0.0, 0.0] |
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| 403 | b = [0.0, 2.0] |
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| 404 | c = [2.0,0.0] |
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| 405 | d = [0.0, 4.0] |
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| 406 | e = [2.0, 2.0] |
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| 407 | f = [4.0,0.0] |
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| 408 | |
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| 409 | points = [a, b, c, d, e, f] |
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| 410 | #bac, bce, ecf, dbe, daf, dae |
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| 411 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4]] |
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| 412 | |
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| 413 | |
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| 414 | domain = Domain(points, vertices, boundary=None, |
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| 415 | conserved_quantities =\ |
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| 416 | ['stage', 'xmomentum', 'ymomentum'], |
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| 417 | other_quantities = ['elevation', 'friction', 'depth']) |
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| 418 | |
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| 419 | |
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| 420 | domain.timestepping_method = None |
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| 421 | |
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| 422 | |
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| 423 | # Check that invalid requests are dealt with |
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| 424 | try: |
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| 425 | domain.set_timestepping_method('eee') |
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| 426 | except: |
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| 427 | pass |
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| 428 | else: |
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| 429 | msg = 'Should have caught illegal method' |
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| 430 | raise Exception, msg |
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| 431 | |
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| 432 | |
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| 433 | #Should have no trouble with euler, rk2 or rk3 |
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| 434 | domain.set_timestepping_method('euler') |
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| 435 | domain.set_timestepping_method('rk2') |
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| 436 | domain.set_timestepping_method('rk3') |
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| 437 | |
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| 438 | #test get timestepping method |
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| 439 | assert domain.get_timestepping_method() == 'rk3' |
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| 440 | |
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| 441 | |
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| 442 | |
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| 443 | def test_boundary_indices(self): |
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| 444 | |
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| 445 | from anuga.config import default_boundary_tag |
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| 446 | |
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| 447 | |
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| 448 | a = [0.0, 0.5] |
|---|
| 449 | b = [0.0, 0.0] |
|---|
| 450 | c = [0.5, 0.5] |
|---|
| 451 | |
|---|
| 452 | points = [a, b, c] |
|---|
| 453 | vertices = [ [0,1,2] ] |
|---|
| 454 | domain = Domain(points, vertices) |
|---|
| 455 | |
|---|
| 456 | domain.set_boundary( {default_boundary_tag: Dirichlet_boundary([5,2,1])} ) |
|---|
| 457 | |
|---|
| 458 | |
|---|
| 459 | domain.check_integrity() |
|---|
| 460 | |
|---|
| 461 | assert num.allclose(domain.neighbours, [[-1,-2,-3]]) |
|---|
| 462 | |
|---|
| 463 | |
|---|
| 464 | |
|---|
| 465 | def test_boundary_conditions(self): |
|---|
| 466 | |
|---|
| 467 | a = [0.0, 0.0] |
|---|
| 468 | b = [0.0, 2.0] |
|---|
| 469 | c = [2.0,0.0] |
|---|
| 470 | d = [0.0, 4.0] |
|---|
| 471 | e = [2.0, 2.0] |
|---|
| 472 | f = [4.0,0.0] |
|---|
| 473 | |
|---|
| 474 | points = [a, b, c, d, e, f] |
|---|
| 475 | #bac, bce, ecf, dbe |
|---|
| 476 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 477 | boundary = { (0, 0): 'First', |
|---|
| 478 | (0, 2): 'First', |
|---|
| 479 | (2, 0): 'Second', |
|---|
| 480 | (2, 1): 'Second', |
|---|
| 481 | (3, 1): 'Second', |
|---|
| 482 | (3, 2): 'Second'} |
|---|
| 483 | |
|---|
| 484 | |
|---|
| 485 | domain = Domain(points, vertices, boundary, |
|---|
| 486 | conserved_quantities =\ |
|---|
| 487 | ['stage', 'xmomentum', 'ymomentum']) |
|---|
| 488 | domain.check_integrity() |
|---|
| 489 | |
|---|
| 490 | |
|---|
| 491 | |
|---|
| 492 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
|---|
| 493 | [0,0,9], [-6, 3, 3]]) |
|---|
| 494 | |
|---|
| 495 | |
|---|
| 496 | domain.set_boundary( {'First': Dirichlet_boundary([5,2,1]), |
|---|
| 497 | 'Second': Transmissive_boundary(domain)} ) |
|---|
| 498 | |
|---|
| 499 | domain.update_boundary() |
|---|
| 500 | |
|---|
| 501 | assert domain.quantities['stage'].boundary_values[0] == 5. #Dirichlet |
|---|
| 502 | assert domain.quantities['stage'].boundary_values[1] == 5. #Dirichlet |
|---|
| 503 | assert domain.quantities['stage'].boundary_values[2] ==\ |
|---|
| 504 | domain.get_conserved_quantities(2, edge=0)[0] #Transmissive (4.5) |
|---|
| 505 | assert domain.quantities['stage'].boundary_values[3] ==\ |
|---|
| 506 | domain.get_conserved_quantities(2, edge=1)[0] #Transmissive (4.5) |
|---|
| 507 | assert domain.quantities['stage'].boundary_values[4] ==\ |
|---|
| 508 | domain.get_conserved_quantities(3, edge=1)[0] #Transmissive (-1.5) |
|---|
| 509 | assert domain.quantities['stage'].boundary_values[5] ==\ |
|---|
| 510 | domain.get_conserved_quantities(3, edge=2)[0] #Transmissive (-1.5) |
|---|
| 511 | |
|---|
| 512 | #Check enumeration |
|---|
| 513 | for k, ((vol_id, edge_id), _) in enumerate(domain.boundary_objects): |
|---|
| 514 | assert domain.neighbours[vol_id, edge_id] == -k-1 |
|---|
| 515 | |
|---|
| 516 | |
|---|
| 517 | |
|---|
| 518 | |
|---|
| 519 | def test_distribute_first_order(self): |
|---|
| 520 | """Domain implements a default first order gradient limiter |
|---|
| 521 | """ |
|---|
| 522 | |
|---|
| 523 | a = [0.0, 0.0] |
|---|
| 524 | b = [0.0, 2.0] |
|---|
| 525 | c = [2.0,0.0] |
|---|
| 526 | d = [0.0, 4.0] |
|---|
| 527 | e = [2.0, 2.0] |
|---|
| 528 | f = [4.0,0.0] |
|---|
| 529 | |
|---|
| 530 | points = [a, b, c, d, e, f] |
|---|
| 531 | #bac, bce, ecf, dbe |
|---|
| 532 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 533 | boundary = { (0, 0): 'Third', |
|---|
| 534 | (0, 2): 'First', |
|---|
| 535 | (2, 0): 'Second', |
|---|
| 536 | (2, 1): 'Second', |
|---|
| 537 | (3, 1): 'Second', |
|---|
| 538 | (3, 2): 'Third'} |
|---|
| 539 | |
|---|
| 540 | |
|---|
| 541 | domain = Domain(points, vertices, boundary, |
|---|
| 542 | conserved_quantities =\ |
|---|
| 543 | ['stage', 'xmomentum', 'ymomentum']) |
|---|
| 544 | domain.check_integrity() |
|---|
| 545 | |
|---|
| 546 | |
|---|
| 547 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
|---|
| 548 | [0,0,9], [-6, 3, 3]]) |
|---|
| 549 | |
|---|
| 550 | assert num.allclose( domain.quantities['stage'].centroid_values, |
|---|
| 551 | [2,5,3,0] ) |
|---|
| 552 | |
|---|
| 553 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
|---|
| 554 | [3,3,3], [4, 4, 4]]) |
|---|
| 555 | |
|---|
| 556 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
|---|
| 557 | [30,30,30], [40, 40, 40]]) |
|---|
| 558 | |
|---|
| 559 | |
|---|
| 560 | domain.distribute_to_vertices_and_edges() |
|---|
| 561 | |
|---|
| 562 | #First order extrapolation |
|---|
| 563 | assert num.allclose( domain.quantities['stage'].vertex_values, |
|---|
| 564 | [[ 2., 2., 2.], |
|---|
| 565 | [ 5., 5., 5.], |
|---|
| 566 | [ 3., 3., 3.], |
|---|
| 567 | [ 0., 0., 0.]]) |
|---|
| 568 | |
|---|
| 569 | |
|---|
| 570 | |
|---|
| 571 | |
|---|
| 572 | def test_update_conserved_quantities(self): |
|---|
| 573 | a = [0.0, 0.0] |
|---|
| 574 | b = [0.0, 2.0] |
|---|
| 575 | c = [2.0,0.0] |
|---|
| 576 | d = [0.0, 4.0] |
|---|
| 577 | e = [2.0, 2.0] |
|---|
| 578 | f = [4.0,0.0] |
|---|
| 579 | |
|---|
| 580 | points = [a, b, c, d, e, f] |
|---|
| 581 | #bac, bce, ecf, dbe |
|---|
| 582 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 583 | boundary = { (0, 0): 'Third', |
|---|
| 584 | (0, 2): 'First', |
|---|
| 585 | (2, 0): 'Second', |
|---|
| 586 | (2, 1): 'Second', |
|---|
| 587 | (3, 1): 'Second', |
|---|
| 588 | (3, 2): 'Third'} |
|---|
| 589 | |
|---|
| 590 | |
|---|
| 591 | domain = Domain(points, vertices, boundary, |
|---|
| 592 | conserved_quantities =\ |
|---|
| 593 | ['stage', 'xmomentum', 'ymomentum']) |
|---|
| 594 | domain.check_integrity() |
|---|
| 595 | |
|---|
| 596 | |
|---|
| 597 | domain.set_quantity('stage', [1,2,3,4], location='centroids') |
|---|
| 598 | domain.set_quantity('xmomentum', [1,2,3,4], location='centroids') |
|---|
| 599 | domain.set_quantity('ymomentum', [1,2,3,4], location='centroids') |
|---|
| 600 | |
|---|
| 601 | |
|---|
| 602 | #Assign some values to update vectors |
|---|
| 603 | #Set explicit_update |
|---|
| 604 | |
|---|
| 605 | for name in domain.conserved_quantities: |
|---|
| 606 | domain.quantities[name].explicit_update = num.array([4.,3.,2.,1.]) |
|---|
| 607 | domain.quantities[name].semi_implicit_update = num.array([1.,1.,1.,1.]) |
|---|
| 608 | |
|---|
| 609 | |
|---|
| 610 | #Update with given timestep (assuming no other forcing terms) |
|---|
| 611 | domain.timestep = 0.1 |
|---|
| 612 | domain.update_conserved_quantities() |
|---|
| 613 | |
|---|
| 614 | sem = num.array([1.,1.,1.,1.])/num.array([1, 2, 3, 4]) |
|---|
| 615 | denom = num.ones(4, num.float)-domain.timestep*sem |
|---|
| 616 | |
|---|
| 617 | # x = array([1, 2, 3, 4]) + array( [.4,.3,.2,.1] ) |
|---|
| 618 | # x /= denom |
|---|
| 619 | |
|---|
| 620 | x = num.array([1., 2., 3., 4.]) |
|---|
| 621 | x /= denom |
|---|
| 622 | x += domain.timestep*num.array( [4,3,2,1] ) |
|---|
| 623 | |
|---|
| 624 | for name in domain.conserved_quantities: |
|---|
| 625 | assert num.allclose(domain.quantities[name].centroid_values, x) |
|---|
| 626 | |
|---|
| 627 | |
|---|
| 628 | def test_set_region(self): |
|---|
| 629 | """Set quantities for sub region |
|---|
| 630 | """ |
|---|
| 631 | |
|---|
| 632 | a = [0.0, 0.0] |
|---|
| 633 | b = [0.0, 2.0] |
|---|
| 634 | c = [2.0,0.0] |
|---|
| 635 | d = [0.0, 4.0] |
|---|
| 636 | e = [2.0, 2.0] |
|---|
| 637 | f = [4.0,0.0] |
|---|
| 638 | |
|---|
| 639 | points = [a, b, c, d, e, f] |
|---|
| 640 | #bac, bce, ecf, dbe |
|---|
| 641 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 642 | boundary = { (0, 0): 'Third', |
|---|
| 643 | (0, 2): 'First', |
|---|
| 644 | (2, 0): 'Second', |
|---|
| 645 | (2, 1): 'Second', |
|---|
| 646 | (3, 1): 'Second', |
|---|
| 647 | (3, 2): 'Third'} |
|---|
| 648 | |
|---|
| 649 | domain = Domain(points, vertices, boundary, |
|---|
| 650 | conserved_quantities =\ |
|---|
| 651 | ['stage', 'xmomentum', 'ymomentum']) |
|---|
| 652 | domain.check_integrity() |
|---|
| 653 | |
|---|
| 654 | domain.set_quantity('stage', [[1,2,3], [5,5,5], |
|---|
| 655 | [0,0,9], [-6, 3, 3]]) |
|---|
| 656 | |
|---|
| 657 | assert num.allclose( domain.quantities['stage'].centroid_values, |
|---|
| 658 | [2,5,3,0] ) |
|---|
| 659 | |
|---|
| 660 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
|---|
| 661 | [3,3,3], [4, 4, 4]]) |
|---|
| 662 | |
|---|
| 663 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
|---|
| 664 | [30,30,30], [40, 40, 40]]) |
|---|
| 665 | |
|---|
| 666 | |
|---|
| 667 | domain.distribute_to_vertices_and_edges() |
|---|
| 668 | |
|---|
| 669 | #First order extrapolation |
|---|
| 670 | assert num.allclose( domain.quantities['stage'].vertex_values, |
|---|
| 671 | [[ 2., 2., 2.], |
|---|
| 672 | [ 5., 5., 5.], |
|---|
| 673 | [ 3., 3., 3.], |
|---|
| 674 | [ 0., 0., 0.]]) |
|---|
| 675 | |
|---|
| 676 | domain.build_tagged_elements_dictionary({'mound':[0,1]}) |
|---|
| 677 | domain.set_region([add_to_verts]) |
|---|
| 678 | |
|---|
| 679 | self.failUnless(domain.test == "Mound", |
|---|
| 680 | 'set region failed') |
|---|
| 681 | |
|---|
| 682 | |
|---|
| 683 | def test_track_speeds(self): |
|---|
| 684 | """ |
|---|
| 685 | get values based on triangle lists. |
|---|
| 686 | """ |
|---|
| 687 | from mesh_factory import rectangular |
|---|
| 688 | from shallow_water import Domain |
|---|
| 689 | |
|---|
| 690 | #Create basic mesh |
|---|
| 691 | points, vertices, boundary = rectangular(1, 3) |
|---|
| 692 | |
|---|
| 693 | #Create shallow water domain |
|---|
| 694 | domain = Domain(points, vertices, boundary) |
|---|
| 695 | domain.timestepping_statistics(track_speeds=True) |
|---|
| 696 | |
|---|
| 697 | |
|---|
| 698 | |
|---|
| 699 | def test_region_tags(self): |
|---|
| 700 | """ |
|---|
| 701 | get values based on triangle lists. |
|---|
| 702 | """ |
|---|
| 703 | from mesh_factory import rectangular |
|---|
| 704 | from shallow_water import Domain |
|---|
| 705 | |
|---|
| 706 | #Create basic mesh |
|---|
| 707 | points, vertices, boundary = rectangular(1, 3) |
|---|
| 708 | |
|---|
| 709 | #Create shallow water domain |
|---|
| 710 | domain = Domain(points, vertices, boundary) |
|---|
| 711 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
|---|
| 712 | 'top':[4,5], |
|---|
| 713 | 'all':[0,1,2,3,4,5]}) |
|---|
| 714 | |
|---|
| 715 | |
|---|
| 716 | #Set friction |
|---|
| 717 | manning = 0.07 |
|---|
| 718 | domain.set_quantity('friction', manning) |
|---|
| 719 | |
|---|
| 720 | domain.set_region([set_bottom_friction, set_top_friction]) |
|---|
| 721 | #print domain.quantities['friction'].get_values() |
|---|
| 722 | assert num.allclose(domain.quantities['friction'].get_values(),\ |
|---|
| 723 | [[ 0.09, 0.09, 0.09], |
|---|
| 724 | [ 0.09, 0.09, 0.09], |
|---|
| 725 | [ 0.07, 0.07, 0.07], |
|---|
| 726 | [ 0.07, 0.07, 0.07], |
|---|
| 727 | [ 1.0, 1.0, 1.0], |
|---|
| 728 | [ 1.0, 1.0, 1.0]]) |
|---|
| 729 | |
|---|
| 730 | domain.set_region([set_all_friction]) |
|---|
| 731 | #print domain.quantities['friction'].get_values() |
|---|
| 732 | assert num.allclose(domain.quantities['friction'].get_values(), |
|---|
| 733 | [[ 10.09, 10.09, 10.09], |
|---|
| 734 | [ 10.09, 10.09, 10.09], |
|---|
| 735 | [ 10.07, 10.07, 10.07], |
|---|
| 736 | [ 10.07, 10.07, 10.07], |
|---|
| 737 | [ 11.0, 11.0, 11.0], |
|---|
| 738 | [ 11.0, 11.0, 11.0]]) |
|---|
| 739 | |
|---|
| 740 | |
|---|
| 741 | def test_region_tags2(self): |
|---|
| 742 | """ |
|---|
| 743 | get values based on triangle lists. |
|---|
| 744 | """ |
|---|
| 745 | from mesh_factory import rectangular |
|---|
| 746 | from shallow_water import Domain |
|---|
| 747 | |
|---|
| 748 | #Create basic mesh |
|---|
| 749 | points, vertices, boundary = rectangular(1, 3) |
|---|
| 750 | |
|---|
| 751 | #Create shallow water domain |
|---|
| 752 | domain = Domain(points, vertices, boundary) |
|---|
| 753 | domain.build_tagged_elements_dictionary({'bottom':[0,1], |
|---|
| 754 | 'top':[4,5], |
|---|
| 755 | 'all':[0,1,2,3,4,5]}) |
|---|
| 756 | |
|---|
| 757 | |
|---|
| 758 | #Set friction |
|---|
| 759 | manning = 0.07 |
|---|
| 760 | domain.set_quantity('friction', manning) |
|---|
| 761 | |
|---|
| 762 | domain.set_region('top', 'friction', 1.0) |
|---|
| 763 | domain.set_region('bottom', 'friction', 0.09) |
|---|
| 764 | |
|---|
| 765 | #print domain.quantities['friction'].get_values() |
|---|
| 766 | assert num.allclose(domain.quantities['friction'].get_values(), |
|---|
| 767 | [[ 0.09, 0.09, 0.09], |
|---|
| 768 | [ 0.09, 0.09, 0.09], |
|---|
| 769 | [ 0.07, 0.07, 0.07], |
|---|
| 770 | [ 0.07, 0.07, 0.07], |
|---|
| 771 | [ 1.0, 1.0, 1.0], |
|---|
| 772 | [ 1.0, 1.0, 1.0]]) |
|---|
| 773 | |
|---|
| 774 | domain.set_region([set_bottom_friction, set_top_friction]) |
|---|
| 775 | #print domain.quantities['friction'].get_values() |
|---|
| 776 | assert num.allclose(domain.quantities['friction'].get_values(), |
|---|
| 777 | [[ 0.09, 0.09, 0.09], |
|---|
| 778 | [ 0.09, 0.09, 0.09], |
|---|
| 779 | [ 0.07, 0.07, 0.07], |
|---|
| 780 | [ 0.07, 0.07, 0.07], |
|---|
| 781 | [ 1.0, 1.0, 1.0], |
|---|
| 782 | [ 1.0, 1.0, 1.0]]) |
|---|
| 783 | |
|---|
| 784 | domain.set_region([set_all_friction]) |
|---|
| 785 | #print domain.quantities['friction'].get_values() |
|---|
| 786 | assert num.allclose(domain.quantities['friction'].get_values(), |
|---|
| 787 | [[ 10.09, 10.09, 10.09], |
|---|
| 788 | [ 10.09, 10.09, 10.09], |
|---|
| 789 | [ 10.07, 10.07, 10.07], |
|---|
| 790 | [ 10.07, 10.07, 10.07], |
|---|
| 791 | [ 11.0, 11.0, 11.0], |
|---|
| 792 | [ 11.0, 11.0, 11.0]]) |
|---|
| 793 | |
|---|
| 794 | #------------------------------------------------------------- |
|---|
| 795 | if __name__ == "__main__": |
|---|
| 796 | suite = unittest.makeSuite(Test_Domain,'test') |
|---|
| 797 | runner = unittest.TextTestRunner() |
|---|
| 798 | runner.run(suite) |
|---|
