PETSc version 3.15.4
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The number of timesteps to wait after a decrease in the timestep due to failed solver before increasing the time step.


#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




Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages