| 1 | #!/usr/bin/env python |
|---|
| 2 | |
|---|
| 3 | import unittest |
|---|
| 4 | from math import sqrt |
|---|
| 5 | |
|---|
| 6 | from domain import * |
|---|
| 7 | from config import epsilon |
|---|
| 8 | from Numeric import allclose, array |
|---|
| 9 | |
|---|
| 10 | |
|---|
| 11 | def add_to_verts(tag, elements, domain): |
|---|
| 12 | if tag == "mound": |
|---|
| 13 | domain.test = "Mound" |
|---|
| 14 | |
|---|
| 15 | |
|---|
| 16 | |
|---|
| 17 | class TestCase(unittest.TestCase): |
|---|
| 18 | def setUp(self): |
|---|
| 19 | pass |
|---|
| 20 | |
|---|
| 21 | |
|---|
| 22 | def tearDown(self): |
|---|
| 23 | pass |
|---|
| 24 | |
|---|
| 25 | |
|---|
| 26 | def test_simple(self): |
|---|
| 27 | a = [0.0, 0.0] |
|---|
| 28 | b = [0.0, 2.0] |
|---|
| 29 | c = [2.0,0.0] |
|---|
| 30 | d = [0.0, 4.0] |
|---|
| 31 | e = [2.0, 2.0] |
|---|
| 32 | f = [4.0,0.0] |
|---|
| 33 | |
|---|
| 34 | points = [a, b, c, d, e, f] |
|---|
| 35 | #bac, bce, ecf, dbe, daf, dae |
|---|
| 36 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4], [3,0,5], [3,0,4]] |
|---|
| 37 | |
|---|
| 38 | conserved_quantities = ['level', 'xmomentum', 'ymomentum'] |
|---|
| 39 | other_quantities = ['elevation', 'friction'] |
|---|
| 40 | |
|---|
| 41 | domain = Domain(points, vertices, None, |
|---|
| 42 | conserved_quantities, other_quantities) |
|---|
| 43 | domain.check_integrity() |
|---|
| 44 | |
|---|
| 45 | for name in conserved_quantities + other_quantities: |
|---|
| 46 | assert domain.quantities.has_key(name) |
|---|
| 47 | |
|---|
| 48 | |
|---|
| 49 | assert domain.get_conserved_quantities(0, edge=1) == 0. |
|---|
| 50 | |
|---|
| 51 | |
|---|
| 52 | def test_conserved_quantities(self): |
|---|
| 53 | |
|---|
| 54 | a = [0.0, 0.0] |
|---|
| 55 | b = [0.0, 2.0] |
|---|
| 56 | c = [2.0,0.0] |
|---|
| 57 | d = [0.0, 4.0] |
|---|
| 58 | e = [2.0, 2.0] |
|---|
| 59 | f = [4.0,0.0] |
|---|
| 60 | |
|---|
| 61 | points = [a, b, c, d, e, f] |
|---|
| 62 | #bac, bce, ecf, dbe, daf, dae |
|---|
| 63 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4], [3,0,5], [3,0,4]] |
|---|
| 64 | |
|---|
| 65 | domain = Domain(points, vertices, boundary=None, |
|---|
| 66 | conserved_quantities =\ |
|---|
| 67 | ['level', 'xmomentum', 'ymomentum']) |
|---|
| 68 | |
|---|
| 69 | |
|---|
| 70 | domain.set_quantity('level', [[1,2,3], [5,5,5], |
|---|
| 71 | [0,0,9], [-6, 3, 3], |
|---|
| 72 | [0,0,0], [0,0,0]]) |
|---|
| 73 | |
|---|
| 74 | domain.set_quantity('xmomentum', [[1,2,3], [5,5,5], |
|---|
| 75 | [0,0,9], [-6, 3, 3], |
|---|
| 76 | [0,0,0], [0,0,0]]) |
|---|
| 77 | |
|---|
| 78 | domain.check_integrity() |
|---|
| 79 | |
|---|
| 80 | #Centroids |
|---|
| 81 | q = domain.get_conserved_quantities(0) |
|---|
| 82 | assert allclose(q, [2., 2., 0.]) |
|---|
| 83 | |
|---|
| 84 | q = domain.get_conserved_quantities(1) |
|---|
| 85 | assert allclose(q, [5., 5., 0.]) |
|---|
| 86 | |
|---|
| 87 | q = domain.get_conserved_quantities(2) |
|---|
| 88 | assert allclose(q, [3., 3., 0.]) |
|---|
| 89 | |
|---|
| 90 | q = domain.get_conserved_quantities(3) |
|---|
| 91 | assert allclose(q, [0., 0., 0.]) |
|---|
| 92 | |
|---|
| 93 | |
|---|
| 94 | #Edges |
|---|
| 95 | q = domain.get_conserved_quantities(0, edge=0) |
|---|
| 96 | assert allclose(q, [2.5, 2.5, 0.]) |
|---|
| 97 | q = domain.get_conserved_quantities(0, edge=1) |
|---|
| 98 | assert allclose(q, [2., 2., 0.]) |
|---|
| 99 | q = domain.get_conserved_quantities(0, edge=2) |
|---|
| 100 | assert allclose(q, [1.5, 1.5, 0.]) |
|---|
| 101 | |
|---|
| 102 | for i in range(3): |
|---|
| 103 | q = domain.get_conserved_quantities(1, edge=i) |
|---|
| 104 | assert allclose(q, [5, 5, 0.]) |
|---|
| 105 | |
|---|
| 106 | |
|---|
| 107 | q = domain.get_conserved_quantities(2, edge=0) |
|---|
| 108 | assert allclose(q, [4.5, 4.5, 0.]) |
|---|
| 109 | q = domain.get_conserved_quantities(2, edge=1) |
|---|
| 110 | assert allclose(q, [4.5, 4.5, 0.]) |
|---|
| 111 | q = domain.get_conserved_quantities(2, edge=2) |
|---|
| 112 | assert allclose(q, [0., 0., 0.]) |
|---|
| 113 | |
|---|
| 114 | |
|---|
| 115 | q = domain.get_conserved_quantities(3, edge=0) |
|---|
| 116 | assert allclose(q, [3., 3., 0.]) |
|---|
| 117 | q = domain.get_conserved_quantities(3, edge=1) |
|---|
| 118 | assert allclose(q, [-1.5, -1.5, 0.]) |
|---|
| 119 | q = domain.get_conserved_quantities(3, edge=2) |
|---|
| 120 | assert allclose(q, [-1.5, -1.5, 0.]) |
|---|
| 121 | |
|---|
| 122 | |
|---|
| 123 | |
|---|
| 124 | def test_boundary_conditions(self): |
|---|
| 125 | |
|---|
| 126 | a = [0.0, 0.0] |
|---|
| 127 | b = [0.0, 2.0] |
|---|
| 128 | c = [2.0,0.0] |
|---|
| 129 | d = [0.0, 4.0] |
|---|
| 130 | e = [2.0, 2.0] |
|---|
| 131 | f = [4.0,0.0] |
|---|
| 132 | |
|---|
| 133 | points = [a, b, c, d, e, f] |
|---|
| 134 | #bac, bce, ecf, dbe |
|---|
| 135 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 136 | boundary = { (0, 0): 'First', |
|---|
| 137 | (0, 2): 'First', |
|---|
| 138 | (2, 0): 'Second', |
|---|
| 139 | (2, 1): 'Second', |
|---|
| 140 | (3, 1): 'Second', |
|---|
| 141 | (3, 2): 'Second'} |
|---|
| 142 | |
|---|
| 143 | |
|---|
| 144 | domain = Domain(points, vertices, boundary, |
|---|
| 145 | conserved_quantities =\ |
|---|
| 146 | ['level', 'xmomentum', 'ymomentum']) |
|---|
| 147 | domain.check_integrity() |
|---|
| 148 | |
|---|
| 149 | |
|---|
| 150 | |
|---|
| 151 | domain.set_quantity('level', [[1,2,3], [5,5,5], |
|---|
| 152 | [0,0,9], [-6, 3, 3]]) |
|---|
| 153 | |
|---|
| 154 | |
|---|
| 155 | domain.set_boundary( {'First': Dirichlet_boundary([5,2,1]), |
|---|
| 156 | 'Second': Transmissive_boundary(domain)} ) |
|---|
| 157 | |
|---|
| 158 | domain.update_boundary() |
|---|
| 159 | |
|---|
| 160 | assert domain.quantities['level'].boundary_values[0] == 5. #Dirichlet |
|---|
| 161 | assert domain.quantities['level'].boundary_values[1] == 5. #Dirichlet |
|---|
| 162 | assert domain.quantities['level'].boundary_values[2] ==\ |
|---|
| 163 | domain.get_conserved_quantities(2, edge=0)[0] #Transmissive (4.5) |
|---|
| 164 | assert domain.quantities['level'].boundary_values[3] ==\ |
|---|
| 165 | domain.get_conserved_quantities(2, edge=1)[0] #Transmissive (4.5) |
|---|
| 166 | assert domain.quantities['level'].boundary_values[4] ==\ |
|---|
| 167 | domain.get_conserved_quantities(3, edge=1)[0] #Transmissive (-1.5) |
|---|
| 168 | assert domain.quantities['level'].boundary_values[5] ==\ |
|---|
| 169 | domain.get_conserved_quantities(3, edge=2)[0] #Transmissive (-1.5) |
|---|
| 170 | |
|---|
| 171 | |
|---|
| 172 | |
|---|
| 173 | def test_distribute_first_order(self): |
|---|
| 174 | """Domain implements a default first order gradient limiter |
|---|
| 175 | """ |
|---|
| 176 | |
|---|
| 177 | a = [0.0, 0.0] |
|---|
| 178 | b = [0.0, 2.0] |
|---|
| 179 | c = [2.0,0.0] |
|---|
| 180 | d = [0.0, 4.0] |
|---|
| 181 | e = [2.0, 2.0] |
|---|
| 182 | f = [4.0,0.0] |
|---|
| 183 | |
|---|
| 184 | points = [a, b, c, d, e, f] |
|---|
| 185 | #bac, bce, ecf, dbe |
|---|
| 186 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 187 | boundary = { (0, 0): 'Third', |
|---|
| 188 | (0, 2): 'First', |
|---|
| 189 | (2, 0): 'Second', |
|---|
| 190 | (2, 1): 'Second', |
|---|
| 191 | (3, 1): 'Second', |
|---|
| 192 | (3, 2): 'Third'} |
|---|
| 193 | |
|---|
| 194 | |
|---|
| 195 | domain = Domain(points, vertices, boundary, |
|---|
| 196 | conserved_quantities =\ |
|---|
| 197 | ['level', 'xmomentum', 'ymomentum']) |
|---|
| 198 | domain.check_integrity() |
|---|
| 199 | |
|---|
| 200 | |
|---|
| 201 | domain.set_quantity('level', [[1,2,3], [5,5,5], |
|---|
| 202 | [0,0,9], [-6, 3, 3]]) |
|---|
| 203 | |
|---|
| 204 | assert allclose( domain.quantities['level'].centroid_values, |
|---|
| 205 | [2,5,3,0] ) |
|---|
| 206 | |
|---|
| 207 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
|---|
| 208 | [3,3,3], [4, 4, 4]]) |
|---|
| 209 | |
|---|
| 210 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
|---|
| 211 | [30,30,30], [40, 40, 40]]) |
|---|
| 212 | |
|---|
| 213 | |
|---|
| 214 | domain.distribute_to_vertices_and_edges() |
|---|
| 215 | |
|---|
| 216 | #First order extrapolation |
|---|
| 217 | assert allclose( domain.quantities['level'].vertex_values, |
|---|
| 218 | [[ 2., 2., 2.], |
|---|
| 219 | [ 5., 5., 5.], |
|---|
| 220 | [ 3., 3., 3.], |
|---|
| 221 | [ 0., 0., 0.]]) |
|---|
| 222 | |
|---|
| 223 | |
|---|
| 224 | |
|---|
| 225 | |
|---|
| 226 | def test_update_conserved_quantities(self): |
|---|
| 227 | a = [0.0, 0.0] |
|---|
| 228 | b = [0.0, 2.0] |
|---|
| 229 | c = [2.0,0.0] |
|---|
| 230 | d = [0.0, 4.0] |
|---|
| 231 | e = [2.0, 2.0] |
|---|
| 232 | f = [4.0,0.0] |
|---|
| 233 | |
|---|
| 234 | points = [a, b, c, d, e, f] |
|---|
| 235 | #bac, bce, ecf, dbe |
|---|
| 236 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 237 | boundary = { (0, 0): 'Third', |
|---|
| 238 | (0, 2): 'First', |
|---|
| 239 | (2, 0): 'Second', |
|---|
| 240 | (2, 1): 'Second', |
|---|
| 241 | (3, 1): 'Second', |
|---|
| 242 | (3, 2): 'Third'} |
|---|
| 243 | |
|---|
| 244 | |
|---|
| 245 | domain = Domain(points, vertices, boundary, |
|---|
| 246 | conserved_quantities =\ |
|---|
| 247 | ['level', 'xmomentum', 'ymomentum']) |
|---|
| 248 | domain.check_integrity() |
|---|
| 249 | |
|---|
| 250 | |
|---|
| 251 | domain.set_quantity('level', [1,2,3,4], 'centroids') |
|---|
| 252 | domain.set_quantity('xmomentum', [1,2,3,4], 'centroids') |
|---|
| 253 | domain.set_quantity('ymomentum', [1,2,3,4], 'centroids') |
|---|
| 254 | |
|---|
| 255 | |
|---|
| 256 | #Assign some values to update vectors |
|---|
| 257 | #Set explicit_update |
|---|
| 258 | |
|---|
| 259 | for name in domain.conserved_quantities: |
|---|
| 260 | domain.quantities[name].explicit_update = array([4.,3.,2.,1.]) |
|---|
| 261 | domain.quantities[name].semi_implicit_update = array([1.,1.,1.,1.]) |
|---|
| 262 | |
|---|
| 263 | |
|---|
| 264 | #Update with given timestep (assuming no other forcing terms) |
|---|
| 265 | domain.timestep = 0.1 |
|---|
| 266 | domain.update_conserved_quantities() |
|---|
| 267 | |
|---|
| 268 | |
|---|
| 269 | #FIXME: Update this test once I understand the semi_implicit scheme |
|---|
| 270 | #x = array([1, 2, 3, 4]) + array( [.4,.3,.2,.1] ) |
|---|
| 271 | #x /= array( [.9,.9,.9,.9] ) |
|---|
| 272 | # |
|---|
| 273 | #for name in domain.conserved_quantities: |
|---|
| 274 | # assert allclose(domain.quantities[name].centroid_values, x) |
|---|
| 275 | |
|---|
| 276 | |
|---|
| 277 | def testz_set_region(self): |
|---|
| 278 | """Domain implements a default first order gradient limiter |
|---|
| 279 | """ |
|---|
| 280 | |
|---|
| 281 | a = [0.0, 0.0] |
|---|
| 282 | b = [0.0, 2.0] |
|---|
| 283 | c = [2.0,0.0] |
|---|
| 284 | d = [0.0, 4.0] |
|---|
| 285 | e = [2.0, 2.0] |
|---|
| 286 | f = [4.0,0.0] |
|---|
| 287 | |
|---|
| 288 | points = [a, b, c, d, e, f] |
|---|
| 289 | #bac, bce, ecf, dbe |
|---|
| 290 | vertices = [ [1,0,2], [1,2,4], [4,2,5], [3,1,4] ] |
|---|
| 291 | boundary = { (0, 0): 'Third', |
|---|
| 292 | (0, 2): 'First', |
|---|
| 293 | (2, 0): 'Second', |
|---|
| 294 | (2, 1): 'Second', |
|---|
| 295 | (3, 1): 'Second', |
|---|
| 296 | (3, 2): 'Third'} |
|---|
| 297 | |
|---|
| 298 | domain = Domain(points, vertices, boundary, |
|---|
| 299 | conserved_quantities =\ |
|---|
| 300 | ['level', 'xmomentum', 'ymomentum']) |
|---|
| 301 | domain.check_integrity() |
|---|
| 302 | |
|---|
| 303 | domain.set_quantity('level', [[1,2,3], [5,5,5], |
|---|
| 304 | [0,0,9], [-6, 3, 3]]) |
|---|
| 305 | |
|---|
| 306 | assert allclose( domain.quantities['level'].centroid_values, |
|---|
| 307 | [2,5,3,0] ) |
|---|
| 308 | |
|---|
| 309 | domain.set_quantity('xmomentum', [[1,1,1], [2,2,2], |
|---|
| 310 | [3,3,3], [4, 4, 4]]) |
|---|
| 311 | |
|---|
| 312 | domain.set_quantity('ymomentum', [[10,10,10], [20,20,20], |
|---|
| 313 | [30,30,30], [40, 40, 40]]) |
|---|
| 314 | |
|---|
| 315 | |
|---|
| 316 | domain.distribute_to_vertices_and_edges() |
|---|
| 317 | |
|---|
| 318 | #First order extrapolation |
|---|
| 319 | assert allclose( domain.quantities['level'].vertex_values, |
|---|
| 320 | [[ 2., 2., 2.], |
|---|
| 321 | [ 5., 5., 5.], |
|---|
| 322 | [ 3., 3., 3.], |
|---|
| 323 | [ 0., 0., 0.]]) |
|---|
| 324 | |
|---|
| 325 | domain.build_tagged_elements_dictionary({'mound':[0,1]}) |
|---|
| 326 | domain.set_region([add_to_verts]) |
|---|
| 327 | |
|---|
| 328 | self.failUnless( domain.test == "Mound", |
|---|
| 329 | 'set region failed') |
|---|
| 330 | |
|---|
| 331 | #------------------------------------------------------------- |
|---|
| 332 | if __name__ == "__main__": |
|---|
| 333 | suite = unittest.makeSuite(TestCase,'testz') |
|---|
| 334 | runner = unittest.TextTestRunner() |
|---|
| 335 | runner.run(suite) |
|---|
