PETSc version 3.15.5
PCGAMGType
type of generalized algebraic multigrid (PCGAMG) method 
Synopsis
typedef const char *PCGAMGType;
#define PCGAMGAGG         "agg"
#define PCGAMGGEO         "geo"
#define PCGAMGCLASSICAL   "classical"
  PCGAMGAGG - (the default) smoothed aggregation algorithm, robust, very well tested
  PCGAMGGEO - geometric coarsening, uses mesh generator to produce coarser meshes, limited to triangles, not well tested
  PCGAMGCLASSICAL - classical algebraic multigrid preconditioner, incomplete, poorly tested
See Also
 PCMG, PCSetType(), PCGAMGSetThreshold(), PCGAMGSetThreshold(), PCGAMGSetReuseInterpolation()
Level
intermediate
Location
src/ksp/pc/../../../include/petscpctypes.h
Index of all PC routines
Table of Contents for all manual pages
Index of all manual pages