PCMGSetAdaptCoarseSpaceType#
Set the type of adaptive coarse space. Adapts or creates the interpolator based upon a vector space which should be accurately captured by the next coarser mesh, and thus accurately interpolated.
Synopsis#
#include "petscksp.h"
PetscErrorCode PCMGSetAdaptCoarseSpaceType(PC pc, PCMGCoarseSpaceType ctype)
Logically Collective
Input Parameters#
pc - the multigrid context
ctype - the type of coarse space
Options Database Keys#
-pc_mg_adapt_interp_n nmodes - The number of modes to use
-pc_mg_adapt_interp_coarse_space (none|polynomial|harmonic|eigenvector|generalized_eigenvector|gdsw) - The type of coarse space to use
Note#
Requires a DM with specific functionality be attached to the PC.
Developer Notes#
The options database key -pc_mg_adapt_interp_coarse_space should not have interp in it since this function does not have interp in it.
The options database key -pc_mg_adapt_interp_n has no functional call equivalent.
See Also#
KSP: Linear System Solvers, PCMG, PCMGCoarseSpaceType, PCMGGetAdaptCoarseSpaceType(), PCMGSetGalerkin(), PCMGSetAdaptInterpolation(), DM,
PCMG_ADAPT_NONE, PCMG_ADAPT_POLYNOMIAL, PCMG_ADAPT_HARMONIC, PCMG_ADAPT_EIGENVECTOR, PCMG_ADAPT_GENERALIZED_EIGENVECTOR,
PCMG_ADAPT_GDSW
Level#
intermediate
Location#
Implementations#
PCMGSetAdaptCoarseSpaceType_MG() in src/ksp/pc/impls/mg/mg.c
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages