petsc-3.14.5 2021-03-03
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# DMPlexTSComputeBoundary

Insert the essential boundary values for the local input X and/or its time derivative X_t using pointwise functions specified by the user

### Synopsis

    #include "petscdmplex.h"
    #include "petscts.h"
    PetscErrorCode DMPlexTSComputeBoundary(DM dm, PetscReal time, Vec locX, Vec locX_t, void *user)

### Input Parameters

| dm | - The mesh
| t | - The time
| locX | - Local solution
| locX_t | - Local solution time derivative, or NULL
| user | - The user context

### See Also

DMPlexComputeJacobianActionFEM()

### Level

developer

### Location

src/ts/utils/dmplexts.c

### Examples

src/ts/tutorials/ex11.c.html
src/ts/tutorials/ex45.c.html
src/ts/tutorials/ex46.c.html
src/ts/tutorials/ex48.c.html
Index of all TS routines
Table of Contents for all manual pages
Index of all manual pages