petsc-master 2019-07-15
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TSPseudoSetTimeStep

Sets the user-defined routine to be called at each pseudo-timestep to update the timestep.

Synopsis

#include "petscts.h"   
PetscErrorCode  TSPseudoSetTimeStep(TS ts,PetscErrorCode (*dt)(TS,PetscReal*,void*),void *ctx)
Logically Collective on TS

Input Parameters

ts - timestep context
dt - function to compute timestep
ctx - [optional] user-defined context for private data required by the function (may be NULL)

Calling sequence of func

 func (TS ts,PetscReal *newdt,void *ctx);

newdt - the newly computed timestep
ctx - [optional] timestep context

Notes

The routine set here will be called by TSPseudoComputeTimeStep() during the timestepping process. If not set then TSPseudoTimeStepDefault() is automatically used

See Also

TSPseudoTimeStepDefault(), TSPseudoComputeTimeStep()

Level

intermediate

Location

src/ts/impls/pseudo/posindep.c

Examples

src/ts/examples/tutorials/ex1.c.html

Implementations

TSPseudoSetTimeStep_Pseudo in src/ts/impls/pseudo/posindep.c

Index of all TS routines
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Index of all manual pages