TSAdaptSetSafety#

Set safety factors for time step adaptor

Synopsis#

#include "petscts.h" 
PetscErrorCode TSAdaptSetSafety(TSAdapt adapt, PetscReal safety, PetscReal reject_safety)

Logically Collective

Input Parameters#

adapt - adaptive controller context
safety - safety factor relative to target error/stability goal
reject_safety - extra safety factor to apply if the last step was rejected

Options Database Keys#

-ts_adapt_safety - to set safety factor
-ts_adapt_reject_safety <reject_safety> - to set reject safety factor

Note#

Use PETSC_CURRENT to keep the current value for either parameter

Fortran Note#

Use PETSC_CURRENT_REAL

See Also#

TS: Scalable ODE and DAE Solvers, TSAdapt, TSAdaptGetSafety(), TSAdaptChoose()

Level#

intermediate

Location#

src/ts/adapt/interface/tsadapt.c

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Index of all manual pages