DMPlexConstructGhostCells#

Construct ghost cells which connect to every boundary face

Synopsis#

#include "petscdmplex.h"    
#include "petscdmlabel.h"   
PetscErrorCode DMPlexConstructGhostCells(DM dm, const char labelName[], PetscInt *numGhostCells, DM *dmGhosted)

Collective

Input Parameters#

  • dm - The original DM

  • labelName - The label specifying the boundary faces, or “Face Sets” if this is NULL

Output Parameters#

  • numGhostCells - The number of ghost cells added to the DM

  • dmGhosted - The new DM

Note#

If no label exists of that name, one will be created marking all boundary faces

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, DMCreate()

Level#

developer

Location#

src/dm/impls/plex/plexsubmesh.c

Examples#

src/ts/tutorials/ex11.c
src/ts/tutorials/ex11_sa.c
src/ts/tutorials/ex18.c

Implementations#

DMPlexConstructGhostCells_Internal in src/dm/impls/plex/plexsubmesh.c

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Index of all DMPlex routines
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Index of all manual pages