SNESSetGridSequence

sets the number of steps of grid sequencing that SNES will do

Synopsis

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

Logically Collective

Input Parameters

• snes - the SNES context

• steps - the number of refinements to do, defaults to 0

Options Database Key

• -snes_grid_sequence - Use grid sequencing to generate initial guess

Note

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

See Also

SNES: Nonlinear Solvers, SNES, SNESSetTrustRegionTolerance(), SNESGetLagPreconditioner(), SNESSetLagJacobian(), SNESGetLagJacobian(), SNESGetGridSequence(), SNESetDM()

Level

intermediate

Location

src/snes/interface/snes.c

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