petsc-3.9.4 2018-09-11
SNESFASSetNumberSmoothDown
Sets the number of pre-smoothing steps to use on all levels.
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESFASSetNumberSmoothDown(SNES snes, PetscInt n)
Logically Collective on SNES
Input Parameters
| snes | - the multigrid context
|
| n | - the number of smoothing steps
|
Options Database Key
-snes_fas_smoothdown <n> -Sets number of pre-smoothing steps
Keywords
FAS, MG, smooth, down, pre-smoothing, steps, multigrid
See Also
SNESFASSetNumberSmoothUp()
Level
advanced
Location
src/snes/impls/fas/fasfunc.c
Index of all SNESFAS routines
Table of Contents for all manual pages
Index of all manual pages