petsc-3.13.6 2020-09-29
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TSSundialsSetTolerance

Sets the absolute and relative tolerance used by Sundials for error control.

Synopsis

#include "petscts.h" 
PetscErrorCode  TSSundialsSetTolerance(TS ts,double aabs,double rel)
Logically Collective on TS

Input parameters

ts - the time-step context
aabs - the absolute tolerance
rel - the relative tolerance

See the Cvode/Sundials users manual for exact details on these parameters. Essentially these regulate the size of the error for a SINGLE timestep.

See Also

TSSundialsGetIterations(), TSSundialsSetType(), TSSundialsSetGMRESMaxl(),
TSSundialsSetLinearTolerance(), TSSundialsSetGramSchmidtType(), TSSundialsGetIterations(), TSSundialsSetType(), TSSundialsSetLinearTolerance(), TSSundialsSetTolerance(), TSSundialsGetPC(), TSSetExactFinalTime()

Level

intermediate

Location

src/ts/impls/implicit/sundials/sundials.c

Implementations

TSSundialsSetTolerance_Sundials in src/ts/impls/implicit/sundials/sundials.c

Index of all TS routines
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Index of all manual pages