petsc-3.14.5 2021-03-03
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# TSAdaptSetTimeStepIncreaseDelay

The number of timesteps to wait after a decrease in the timestep due to failed solver before increasing the time step.

### Synopsis

    #include "petscts.h"
    PetscErrorCode TSAdaptSetTimeStepIncreaseDelay(TSAdapt adapt,PetscInt cnt)

Logicially Collective on TSAdapt

### Input Arguments

| adapt | - adaptive controller context
| cnt | - the number of timesteps

### Options Database Key

| -ts_adapt_time_step_increase_delay cnt | - number of steps to delay the increase

Notes: This is to prevent an adaptor from bouncing back and forth between two nearby timesteps. The default is 0. The successful use of this option is problem dependent

Developer Note: there is no theory to support this option

### See Also

### Level

advanced

### Location

src/ts/adapt/interface/tsadapt.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages