petsc-3.14.6 2021-03-30
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SNESSetGridSequence

 sets the number of steps of grid sequencing that SNES does

Synopsis

#include "petscsnes.h"  
PetscErrorCode  SNESSetGridSequence(SNES snes,PetscInt steps)
Logically Collective on SNES

Input Parameters

snes - the SNES context
steps - the number of refinements to do, defaults to 0

Options Database Keys

-snes_grid_sequence <steps>

Notes

Use SNESGetSolution() to extract the fine grid solution after grid sequencing.

See Also

SNESSetTrustRegionTolerance(), SNESGetLagPreconditioner(), SNESSetLagJacobian(), SNESGetLagJacobian(), SNESGetGridSequence()

Level

intermediate

Location

src/snes/interface/snes.c
Index of all SNES routines
Table of Contents for all manual pages
Index of all manual pages