petsc-3.9.4 2018-09-11
SNESSetForceIteration
force SNESSolve() to take at least one iteration regardless of the initial residual norm
Synopsis
#include "petscsnes.h"
PetscErrorCode SNESSetForceIteration(SNES snes,PetscBool force)
Logically Collective on SNES
Input Parameters
| snes | - the SNES context
|
| force | - PETSC_TRUE require at least one iteration
|
Options Database Keys
-snes_force_iteration <force> -Sets forcing an iteration
Notes
This is used sometimes with TS to prevent TS from detecting a false steady state solution
Keywords
SNES, nonlinear, set, convergence, tolerances
See Also
SNESSetTrustRegionTolerance(), SNESSetDivergenceTolerance()
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