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 DMBoundaryType periodic[3] = {DM_BOUNDARY_NONE, DM_BOUNDARY_NONE, DM_BOUNDARY_NONE}; 11 DMPlexTPSType tps_type = DMPLEX_TPS_SCHWARZ_P; 12 PetscErrorCode ierr; 13 14 ierr = PetscInitialize(&argc, &argv, NULL,help);if (ierr) return ierr; 15 ierr = PetscOptionsBegin(PETSC_COMM_WORLD, NULL, "Schwarz P Example", NULL);CHKERRQ(ierr); 16 ierr = PetscOptionsIntArray("-extent", "Number of replicas for each of three dimensions", NULL, extent, (three=3, &three), NULL);CHKERRQ(ierr); 17 ierr = PetscOptionsInt("-refine", "Number of refinements", NULL, refine, &refine, NULL);CHKERRQ(ierr); 18 ierr = PetscOptionsEnumArray("-periodic", "Periodicity in each of three dimensions", NULL, DMBoundaryTypes, (PetscEnum*)periodic, (three=3, &three), NULL);CHKERRQ(ierr); 19 ierr = PetscOptionsInt("-layers", "Number of layers in volumetric extrusion (or zero to not extrude)", NULL, layers, &layers, NULL);CHKERRQ(ierr); 20 ierr = PetscOptionsReal("-thickness", "Thickness of volumetric extrusion", NULL, thickness, &thickness, NULL);CHKERRQ(ierr); 21 ierr = PetscOptionsEnum("-tps_type", "Type of triply-periodic surface", NULL, DMPlexTPSTypes, (PetscEnum)tps_type, (PetscEnum*)&tps_type, NULL);CHKERRQ(ierr); 22 ierr = PetscOptionsEnd();CHKERRQ(ierr); 23 ierr = DMPlexCreateTPSMesh(PETSC_COMM_WORLD, tps_type, extent, periodic, refine, layers, thickness, &dm);CHKERRQ(ierr); 24 ierr = PetscObjectSetName((PetscObject)dm, "TPS");CHKERRQ(ierr); 25 ierr = DMViewFromOptions(dm, NULL, "-dm_view");CHKERRQ(ierr); 26 ierr = DMDestroy(&dm);CHKERRQ(ierr); 27 ierr = PetscFinalize(); 28 return ierr; 29 } 30 31 /*TEST 32 33 test: 34 suffix: 0 35 args: -extent 1,2,3 -dm_view -refine 0 36 test: 37 suffix: 1 38 args: -extent 2,3,1 -dm_view -refine 1 39 40 test: 41 suffix: gyroid_0 42 args: -extent 1,2,3 -dm_view -refine 0 -tps_type gyroid 43 test: 44 suffix: gyroid_1 45 args: -extent 2,3,1 -dm_view -refine 1 -tps_type gyroid 46 test: 47 suffix: extrude_0 48 args: -extent 2,3,1 -dm_view -refine 0 -layers 3 -thickness .2 49 50 TEST*/ 51