DMPlexCreateRigidBody#

For the default global section, create rigid body modes by function space interpolation

Synopsis#

#include "petscdmplex.h"   
PetscErrorCode DMPlexCreateRigidBody(DM dm, PetscInt field, MatNullSpace *sp)

Collective

Input Parameters#

  • dm - the DM

  • field - The field number for the rigid body space, or 0 for the default

Output Parameter#

  • sp - the null space

Note#

This is necessary to provide a suitable coarse space for algebraic multigrid

See Also#

DMPlex: Unstructured Grids, DM, DMPLEX, MatNullSpaceCreate(), PCGAMG

Level#

advanced

Location#

src/dm/impls/plex/plexfem.c

Examples#

src/snes/tutorials/ex77.c
src/snes/tutorials/ex56.c
src/snes/tutorials/ex17.c
src/ts/tutorials/ex53.c

Index of all DMPlex routines
Table of Contents for all manual pages
Index of all manual pages