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_sa.c
src/ts/tutorials/ex11.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