xref: /petsc/src/dm/impls/plex/tutorials/ex13.c (revision fbf9dbe564678ed6eff1806adbc4c4f01b9743f4)
1 static char help[] = "Create a Plex Schwarz P surface with quads\n\n";
2 
3 #include <petscdmplex.h>
4 
5 int main(int argc, char **argv)
6 {
7   DM             dm;
8   PetscInt       extent[3] = {1, 1, 1}, refine = 0, layers = 0, three;
9   PetscReal      thickness   = 0.;
10   PetscBool      distribute  = PETSC_TRUE;
11   DMBoundaryType periodic[3] = {DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE};
12   DMPlexTPSType  tps_type    = DMPLEX_TPS_SCHWARZ_P;
13 
14   PetscFunctionBeginUser;
15   PetscCall(PetscInitialize(&argc, &argv, NULL, help));
16   PetscOptionsBegin(PETSC_COMM_WORLD, NULL, "Schwarz P Example", NULL);
17   PetscCall(PetscOptionsIntArray("-extent", "Number of replicas for each of three dimensions", NULL, extent, (three = 3, &three), NULL));
18   PetscCall(PetscOptionsInt("-refine", "Number of refinements", NULL, refine, &refine, NULL));
19   PetscCall(PetscOptionsEnumArray("-periodic", "Periodicity in each of three dimensions", NULL, DMBoundaryTypes, (PetscEnum *)periodic, (three = 3, &three), NULL));
20   PetscCall(PetscOptionsBool("-distribute", "Distribute TPS manifold prior to refinement and extrusion", NULL, distribute, &distribute, NULL));
21   PetscCall(PetscOptionsInt("-layers", "Number of layers in volumetric extrusion (or zero to not extrude)", NULL, layers, &layers, NULL));
22   PetscCall(PetscOptionsReal("-thickness", "Thickness of volumetric extrusion", NULL, thickness, &thickness, NULL));
23   PetscCall(PetscOptionsEnum("-tps_type", "Type of triply-periodic surface", NULL, DMPlexTPSTypes, (PetscEnum)tps_type, (PetscEnum *)&tps_type, NULL));
24   PetscOptionsEnd();
25   PetscCall(DMPlexCreateTPSMesh(PETSC_COMM_WORLD, tps_type, extent, periodic, distribute, refine, layers, thickness, &dm));
26   PetscCall(PetscObjectSetName((PetscObject)dm, "TPS"));
27   PetscCall(DMViewFromOptions(dm, NULL, "-dm_view"));
28   PetscCall(DMDestroy(&dm));
29   PetscCall(PetscFinalize());
30   return 0;
31 }
32 
33 /*TEST
34 
35   test:
36     suffix: 0
37     args: -extent 1,2,3 -dm_view -refine 0
38   test:
39     suffix: 1
40     args: -extent 2,3,1 -dm_view -refine 1
41 
42   test:
43     suffix: gyroid_0
44     args: -extent 1,2,3 -dm_view -refine 0 -tps_type gyroid
45   test:
46     suffix: gyroid_1
47     args: -extent 2,3,1 -dm_view -refine 1 -tps_type gyroid
48   test:
49     suffix: extrude_0
50     args: -extent 2,3,1 -dm_view -refine 0 -layers 3 -thickness .2
51   test:
52     suffix: extrude_1_dist
53     nsize: 2
54     args: -extent 2,1,1 -dm_view -refine 1 -layers 3 -thickness .2
55 
56 TEST*/
57