Changeset 7391
 Timestamp:
 Aug 20, 2009, 11:53:27 AM (11 years ago)
 File:

 1 edited
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anuga_core/source/anuga_parallel/test_distribute_mesh.py
r7388 r7391 13 13 from anuga_parallel.pmesh_divide import pmesh_divide_metis 14 14 from anuga_parallel.build_submesh import build_submesh 15 from anuga_parallel.build_submesh import submesh_full, submesh_ghost, submesh_quantities 15 16 from anuga_parallel.build_commun import extract_hostmesh, rec_submesh, send_submesh 16 17 17 import numpy as num 18 #import numpy as num 19 import Numeric as num 18 20 19 21 def topography(x,y): … … 366 368 367 369 368 boundary= {(13, 1): 'bottom', (7, 1): 'left', (3, 1): 'right', (14, 1): 'right', (11, 1): 'bottom', (10, 1): 'top', (5, 1): 'left', (4, 1): 'top'}370 edges = {(13, 1): 'bottom', (7, 1): 'left', (3, 1): 'right', (14, 1): 'right', (11, 1): 'bottom', (10, 1): 'top', (5, 1): 'left', (4, 1): 'top'} 369 371 370 372 triangles_per_proc = [5, 6, 5] … … 453 455 # Test build_submesh 454 456 # 455 submesh = build_submesh(nodes, triangles, boundary, quantities, triangles_per_proc) 456 457 #submesh = build_submesh(nodes, triangles, edges, quantities, triangles_per_proc) 458 459 # Temporarily build the mesh to find the neighbouring 460 # triangles and true boundary polygon 461 from anuga.abstract_2d_finite_volumes.neighbour_mesh import Mesh 462 463 mesh = Mesh(nodes, triangles) 464 boundary_polygon = mesh.get_boundary_polygon() 465 466 467 # Subdivide into nonoverlapping partitions 468 469 submeshf = submesh_full(nodes, triangles, edges, \ 470 triangles_per_proc) 471 472 #print submeshf 473 474 true_submeshf = {'full_triangles': [[[4, 9, 3], [4, 12, 5], [7, 12, 4], [8, 12, 7], [5, 12, 8]], [[0, 9, 1], [1, 9, 4], [1, 10, 2], [4, 10, 1], [5, 10, 4], [2, 10, 5]], [[3, 9, 0], [3, 11, 4], [6, 11, 3], [7, 11, 6], [4, 11, 7]]], 'full_nodes': [num.array([[ 3. , 0.5 , 0. ], 475 [ 4. , 0.5 , 0.5 ], 476 [ 5. , 0.5 , 1. ], 477 [ 7. , 1. , 0.5 ], 478 [ 8. , 1. , 1. ], 479 [ 9. , 0.25, 0.25], 480 [ 12. , 0.75, 0.75]]), num.array([[ 0. , 0. , 0. ], 481 [ 1. , 0. , 0.5 ], 482 [ 2. , 0. , 1. ], 483 [ 4. , 0.5 , 0.5 ], 484 [ 5. , 0.5 , 1. ], 485 [ 9. , 0.25, 0.25], 486 [ 10. , 0.25, 0.75]]), num.array([[ 0. , 0. , 0. ], 487 [ 3. , 0.5 , 0. ], 488 [ 4. , 0.5 , 0.5 ], 489 [ 6. , 1. , 0. ], 490 [ 7. , 1. , 0.5 ], 491 [ 9. , 0.25, 0.25], 492 [ 11. , 0.75, 0.25]])], 'full_boundary': [{(3, 1): 'right', (4, 1): 'top'}, {(5, 1): 'left', (10, 1): 'top', (7, 1): 'left'}, {(13, 1): 'bottom', (14, 1): 'right', (11, 1): 'bottom'}]} 493 494 495 496 for key, item in submeshf.iteritems(): 497 assert submeshf[key] == true_submeshf[key] 498 499 # Add any extra ghost boundary layer information 500 501 submeshg = submesh_ghost(submeshf, mesh, triangles_per_proc) 502 503 # Order the quantities information to be the same as the triangle 504 # information 505 506 submesh = submesh_quantities(submeshg, quantities, \ 507 triangles_per_proc) 508 509 submesh["boundary_polygon"] = boundary_polygon 510 511 512 # 513 # Results we expect from build_submesh 514 # 457 515 458 516 assert num.allclose(submesh['full_nodes'][0],[[3.0, 0.5, 0.0], [4.0, 0.5, 0.5], [5.0, 0.5, 1.0], [7.0, 1.0, 0.5], [8.0, 1.0, 1.0], [9.0, 0.25, 0.25], [12.0, 0.75, 0.75]])
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