xref: /petsc/src/dm/impls/plex/tutorials/ex9.c (revision e600fa544e2bb197ca2af9b6e65ea465976dec56)
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);
20c4762a1bSJed Brown   ierr = PetscOptionsBool("-report", "Output a mesh quality report", "ex9.c", options->report, &options->report, NULL);CHKERRQ(ierr);
21c4762a1bSJed Brown   ierr = PetscOptionsReal("-cond_limit", "Condition number limit for cell output", "ex9.c", options->condLimit, &options->condLimit, NULL);CHKERRQ(ierr);
22f108dbd7SJacob Faibussowitsch   ierr = PetscOptionsReal("-orth_qual_atol", "Absolute tolerance for Orthogonal Quality", "ex9.c", options->tol, &options->tol, NULL);CHKERRQ(ierr);
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   PetscErrorCode ierr;
30f108dbd7SJacob Faibussowitsch 
31f108dbd7SJacob Faibussowitsch   PetscFunctionBeginUser;
3230602db0SMatthew G. Knepley   ierr = DMCreate(comm, dm);CHKERRQ(ierr);
3330602db0SMatthew G. Knepley   ierr = DMSetType(*dm, DMPLEX);CHKERRQ(ierr);
34f108dbd7SJacob Faibussowitsch   ierr = DMSetFromOptions(*dm);CHKERRQ(ierr);
35f108dbd7SJacob Faibussowitsch   ierr = DMViewFromOptions(*dm, NULL, "-dm_view");CHKERRQ(ierr);
36c4762a1bSJed Brown   PetscFunctionReturn(0);
37c4762a1bSJed Brown }
38c4762a1bSJed Brown 
39c4762a1bSJed Brown int main(int argc, char **argv)
40c4762a1bSJed Brown {
41c4762a1bSJed Brown   DM             dm;
42f108dbd7SJacob Faibussowitsch   DMLabel        OQLabel;
43f108dbd7SJacob Faibussowitsch   Vec            OQ;
44c4762a1bSJed Brown   AppCtx         ctx;
45c4762a1bSJed Brown   PetscErrorCode ierr;
46c4762a1bSJed Brown 
47c4762a1bSJed Brown   ierr = PetscInitialize(&argc, &argv, NULL,help);if (ierr) return ierr;
48c4762a1bSJed Brown   ierr = ProcessOptions(PETSC_COMM_WORLD, &ctx);CHKERRQ(ierr);
49f108dbd7SJacob Faibussowitsch   ierr = CreateMesh(PETSC_COMM_WORLD, &ctx, &dm);CHKERRQ(ierr);
50c4762a1bSJed Brown   ierr = DMPlexCheckCellShape(dm, ctx.report, ctx.condLimit);CHKERRQ(ierr);
51f108dbd7SJacob Faibussowitsch   ierr = DMPlexComputeOrthogonalQuality(dm, NULL, ctx.tol, &OQ, &OQLabel);CHKERRQ(ierr);
52f108dbd7SJacob Faibussowitsch   ierr = VecDestroy(&OQ);CHKERRQ(ierr);
53c4762a1bSJed Brown   ierr = DMDestroy(&dm);CHKERRQ(ierr);
54c4762a1bSJed Brown   ierr = PetscFinalize();
55c4762a1bSJed Brown   return ierr;
56c4762a1bSJed Brown }
57c4762a1bSJed Brown 
58c4762a1bSJed Brown /*TEST
59c4762a1bSJed Brown 
60c4762a1bSJed Brown   test:
61c4762a1bSJed Brown     suffix: 0
62c4762a1bSJed Brown     requires: exodusii
63c4762a1bSJed Brown     nsize: {{1 2}}
64*e600fa54SMatthew G. Knepley     args: -petscpartitioner_type simple -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/blockcylinder-50.exo -report
65c4762a1bSJed Brown 
66c4762a1bSJed Brown   test:
67c4762a1bSJed Brown     suffix: 1
6830602db0SMatthew G. Knepley     args: -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/square.msh -report
69c4762a1bSJed Brown 
70f108dbd7SJacob Faibussowitsch   testset:
71f108dbd7SJacob Faibussowitsch     args: -dm_plex_orthogonal_quality_label_view -dm_plex_orthogonal_quality_vec_view
72f108dbd7SJacob Faibussowitsch 
73f108dbd7SJacob Faibussowitsch     test:
74f108dbd7SJacob Faibussowitsch       suffix: box_1
75f108dbd7SJacob Faibussowitsch       nsize: 1
7630602db0SMatthew G. Knepley       args: -dm_plex_simplex 0 -dm_plex_box_faces 2,2 -orth_qual_atol 1.0
77f108dbd7SJacob Faibussowitsch 
78f108dbd7SJacob Faibussowitsch     test:
79f108dbd7SJacob Faibussowitsch       suffix: box_2
80f108dbd7SJacob Faibussowitsch       nsize: 2
81*e600fa54SMatthew G. Knepley       args: -petscpartitioner_type simple -dm_plex_simplex 0 -dm_plex_box_faces 2,2 -orth_qual_atol 1.0
82f108dbd7SJacob Faibussowitsch 
83f108dbd7SJacob Faibussowitsch     test:
84f108dbd7SJacob Faibussowitsch       suffix: mesh_1
85f108dbd7SJacob Faibussowitsch       nsize: 1
866ed19f2fSJacob Faibussowitsch       requires: exodusii
8730602db0SMatthew G. Knepley       args: -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/sevenside-quad-15.exo -orth_qual_atol 0.95
88f108dbd7SJacob Faibussowitsch 
89f108dbd7SJacob Faibussowitsch     test:
90f108dbd7SJacob Faibussowitsch       suffix: mesh_2
91f108dbd7SJacob Faibussowitsch       nsize: 2
926ed19f2fSJacob Faibussowitsch       requires: exodusii
93*e600fa54SMatthew G. Knepley       args: -petscpartitioner_type simple -dm_plex_filename ${wPETSC_DIR}/share/petsc/datafiles/meshes/sevenside-quad-15.exo -orth_qual_atol 0.95
94c4762a1bSJed Brown TEST*/
95