petsc-3.14.6 2021-03-30
TSDiscGradSetFormulation
Set the construction method for S, F, and grad F from the formulation u_t = S(u) grad F(u)
Synopsis
#include "petscts.h"
PetscErrorCode TSDiscGradSetFormulation(TS ts, PetscErrorCode (*Sfunc)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (*Ffunc)(TS, PetscReal, Vec , PetscScalar *, void *), PetscErrorCode (*Gfunc)(TS, PetscReal, Vec, Vec, void *), void *ctx)
Not Collective
Input Parameters
| ts | - timestepping context
|
| Sfunc | - constructor for the S matrix from the formulation
|
| Ffunc | - functional F from the formulation
|
| Gfunc | - constructor for the gradient of F from the formulation
|
Calling sequence of Sfunc
PetscErrorCode func(TS ts, PetscReal time, Vec u, Mat S, void *)
Calling sequence of Ffunc
PetscErrorCode func(TS ts, PetscReal time, Vec u, PetscScalar *F, void *)
Calling sequence of Gfunc
PetscErrorCode func(TS ts, PetscReal time, Vec u, Vec G, void *)
See Also
TSDiscGradGetFormulation()
Level
Intermediate
Location
src/ts/impls/implicit/discgrad/tsdiscgrad.c
Implementations
TSDiscGradSetFormulation_DiscGrad(TS ts, PetscErrorCode (*Sfunc)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (*Ffunc)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode (*Gfunc) in src/ts/impls/implicit/discgrad/tsdiscgrad.c
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages