PETSc version 3.15.5
DMTSSetI2Function
set TS implicit function evaluation function for 2nd order systems
Synopsis
#include "petscts.h"
PetscErrorCode DMTSSetI2Function(DM dm,TSI2Function fun,void *ctx)
Not Collective
Input Arguments
| dm | - DM to be used with TS
|
| fun | - function evaluation routine
|
| ctx | - context for residual evaluation
|
Calling sequence of fun
PetscErrorCode fun(TS ts,PetscReal t,Vec U,Vec U_t,Vec U_tt,Vec F,ctx);
| t | - time at step/stage being solved
|
| U | - state vector
|
| U_t | - time derivative of state vector
|
| U_tt | - second time derivative of state vector
|
| F | - function vector
|
| ctx | - [optional] user-defined context for matrix evaluation routine (may be NULL)
|
Note
TSSetI2Function() is normally used, but it calls this function internally because the user context is actually
associated with the DM.
See Also
TSSetI2Function()
Level
advanced
Location
src/ts/utils/dmts.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages