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()

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