xref: /petsc/src/dm/impls/plex/tutorials/ex9.c (revision 5f80ce2ab25dff0f4601e710601cbbcecf323266)
1c4762a1bSJed Brown static char help[] = "Evaluate the shape quality of a mesh\n\n";
2c4762a1bSJed Brown 
3c4762a1bSJed Brown #include <petscdmplex.h>
4c4762a1bSJed Brown 
5c4762a1bSJed Brown typedef struct {
6c4762a1bSJed Brown   PetscBool report;         /* Print a quality report */
7f108dbd7SJacob Faibussowitsch   PetscReal condLimit, tol; /* Condition number limit for cell output */
8c4762a1bSJed Brown } AppCtx;
9c4762a1bSJed Brown 
10f108dbd7SJacob Faibussowitsch static PetscErrorCode ProcessOptions(MPI_Comm comm, AppCtx *options)
11c4762a1bSJed Brown {
12c4762a1bSJed Brown   PetscErrorCode ierr;
13c4762a1bSJed Brown 
14f108dbd7SJacob Faibussowitsch   PetscFunctionBeginUser;
15c4762a1bSJed Brown   options->report      = PETSC_FALSE;
16f108dbd7SJacob Faibussowitsch   options->tol         = 0.5;
17c4762a1bSJed Brown   options->condLimit   = PETSC_DETERMINE;
18c4762a1bSJed Brown 
19c4762a1bSJed Brown   ierr = PetscOptionsBegin(comm, "", "Mesh Quality Evaluation Options", "DMPLEX");CHKERRQ(ierr);
20*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsBool("-report", "Output a mesh quality report", "ex9.c", options->report, &options->report, NULL));
21*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsReal("-cond_limit", "Condition number limit for cell output", "ex9.c", options->condLimit, &options->condLimit, NULL));
22*5f80ce2aSJacob Faibussowitsch   CHKERRQ(PetscOptionsReal("-orth_qual_atol", "Absolute tolerance for Orthogonal Quality", "ex9.c", options->tol, &options->tol, NULL));
23c4762a1bSJed Brown   ierr = PetscOptionsEnd();CHKERRQ(ierr);
24f108dbd7SJacob Faibussowitsch   PetscFunctionReturn(0);
25f108dbd7SJacob Faibussowitsch }
26c4762a1bSJed Brown 
27f108dbd7SJacob Faibussowitsch static PetscErrorCode CreateMesh(MPI_Comm comm, AppCtx *user, DM *dm)
28f108dbd7SJacob Faibussowitsch {
29f108dbd7SJacob Faibussowitsch   PetscFunctionBeginUser;
30*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMCreate(comm, dm));
31*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMSetType(*dm, DMPLEX));
32*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMSetFromOptions(*dm));
33*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMViewFromOptions(*dm, NULL, "-dm_view"));
34c4762a1bSJed Brown   PetscFunctionReturn(0);
35c4762a1bSJed Brown }
36c4762a1bSJed Brown 
37c4762a1bSJed Brown int main(int argc, char **argv)
38c4762a1bSJed Brown {
39c4762a1bSJed Brown   DM             dm;
40f108dbd7SJacob Faibussowitsch   DMLabel        OQLabel;
41f108dbd7SJacob Faibussowitsch   Vec            OQ;
42c4762a1bSJed Brown   AppCtx         ctx;
43c4762a1bSJed Brown   PetscErrorCode ierr;
44c4762a1bSJed Brown 
45c4762a1bSJed Brown   ierr = PetscInitialize(&argc, &argv, NULL,help);if (ierr) return ierr;
46*5f80ce2aSJacob Faibussowitsch   CHKERRQ(ProcessOptions(PETSC_COMM_WORLD, &ctx));
47*5f80ce2aSJacob Faibussowitsch   CHKERRQ(CreateMesh(PETSC_COMM_WORLD, &ctx, &dm));
48*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMPlexCheckCellShape(dm, ctx.report, ctx.condLimit));
49*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMPlexComputeOrthogonalQuality(dm, NULL, ctx.tol, &OQ, &OQLabel));
50*5f80ce2aSJacob Faibussowitsch   CHKERRQ(VecDestroy(&OQ));
51*5f80ce2aSJacob Faibussowitsch   CHKERRQ(DMDestroy(&dm));
52c4762a1bSJed Brown   ierr = PetscFinalize();
53c4762a1bSJed Brown   return ierr;
54c4762a1bSJed Brown }
55c4762a1bSJed Brown 
56c4762a1bSJed Brown /*TEST
57c4762a1bSJed Brown 
58c4762a1bSJed Brown   test:
59c4762a1bSJed Brown     suffix: 0
60c4762a1bSJed Brown     requires: exodusii
61c4762a1bSJed Brown     nsize: {{1 2}}
62e600fa54SMatthew G. Knepley     args: -petscpartitioner_type simple -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/blockcylinder-50.exo -report
63c4762a1bSJed Brown 
64c4762a1bSJed Brown   test:
65c4762a1bSJed Brown     suffix: 1
6630602db0SMatthew G. Knepley     args: -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/square.msh -report
67c4762a1bSJed Brown 
68f108dbd7SJacob Faibussowitsch   testset:
69f108dbd7SJacob Faibussowitsch     args: -dm_plex_orthogonal_quality_label_view -dm_plex_orthogonal_quality_vec_view
70f108dbd7SJacob Faibussowitsch 
71f108dbd7SJacob Faibussowitsch     test:
72f108dbd7SJacob Faibussowitsch       suffix: box_1
73f108dbd7SJacob Faibussowitsch       nsize: 1
7430602db0SMatthew G. Knepley       args: -dm_plex_simplex 0 -dm_plex_box_faces 2,2 -orth_qual_atol 1.0
75f108dbd7SJacob Faibussowitsch 
76f108dbd7SJacob Faibussowitsch     test:
77f108dbd7SJacob Faibussowitsch       suffix: box_2
78f108dbd7SJacob Faibussowitsch       nsize: 2
79e600fa54SMatthew G. Knepley       args: -petscpartitioner_type simple -dm_plex_simplex 0 -dm_plex_box_faces 2,2 -orth_qual_atol 1.0
80f108dbd7SJacob Faibussowitsch 
81f108dbd7SJacob Faibussowitsch     test:
82f108dbd7SJacob Faibussowitsch       suffix: mesh_1
83f108dbd7SJacob Faibussowitsch       nsize: 1
846ed19f2fSJacob Faibussowitsch       requires: exodusii
8530602db0SMatthew G. Knepley       args: -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/sevenside-quad-15.exo -orth_qual_atol 0.95
86f108dbd7SJacob Faibussowitsch 
87f108dbd7SJacob Faibussowitsch     test:
88f108dbd7SJacob Faibussowitsch       suffix: mesh_2
89f108dbd7SJacob Faibussowitsch       nsize: 2
906ed19f2fSJacob Faibussowitsch       requires: exodusii
91e600fa54SMatthew G. Knepley       args: -petscpartitioner_type simple -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/sevenside-quad-15.exo -orth_qual_atol 0.95
92c4762a1bSJed Brown TEST*/
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