PetscDSSetExactSolutionTimeDerivative

Set the pointwise time derivative of the exact solution function for a given test field

Synopsis

#include "petscds.h" 
PetscErrorCode PetscDSSetExactSolutionTimeDerivative(PetscDS prob, PetscInt f, PetscPointExactSolutionFn *sol, void *ctx)

Not Collective

Input Parameters

• prob - The PetscDS

• f - The test field number

• sol - time derivative of the solution function for the test fields, see PetscPointExactSolutionFn

• ctx - the solution context or NULL

See Also

PetscDS, PetscPointExactSolutionFn, PetscDSGetExactSolutionTimeDerivative(), PetscDSSetExactSolution()

Level

intermediate

Location

src/dm/dt/interface/dtds.c

Examples

src/ts/tutorials/ex53.c
src/ts/tutorials/ex77.c
src/ts/tutorials/ex76.c
src/ts/tutorials/ex45.c

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