petsc-3.14.6 2021-03-30
TSDiscGradGetFormulation
Get the construction method for S, F, and grad F from the formulation u_t = S grad F
Synopsis
#include "petscts.h"
PetscErrorCode TSDiscGradGetFormulation(TS ts, PetscErrorCode (**Sfunc)(TS, PetscReal, Vec, Mat, void *), PetscErrorCode (**Ffunc)(TS, PetscReal, Vec, PetscScalar *, void *), PetscErrorCode (**Gfunc)(TS, PetscReal, Vec, Vec, void *))
Not Collective
Input Parameter
| ts | - timestepping context
|
Output Parameters
| 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
TSDiscGradSetFormulation()
Level
intermediate
Location
src/ts/impls/implicit/discgrad/tsdiscgrad.c
Implementations
TSDiscGradGetFormulation_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