PetscDSSetRiemannSolver

Sets the Riemann solver for the given field

Synopsis

#include "petscds.h" 
PetscErrorCode PetscDSSetRiemannSolver(PetscDS ds, PetscInt f, void (*r)(PetscInt dim, PetscInt Nf, const PetscReal x[], const PetscReal n[], const PetscScalar uL[], const PetscScalar uR[], PetscInt numConstants, const PetscScalar constants[], PetscScalar flux[], void *ctx))

Not Collective

Input Parameters

• ds - The PetscDS object

• f - The field number

• r - Riemann solver

Calling sequence of r

• dim - The spatial dimension

• Nf - The number of fields

• x - The coordinates at a point on the interface

• n - The normal vector to the interface

• uL - The state vector to the left of the interface

• uR - The state vector to the right of the interface

• flux - output array of flux through the interface

• numConstants - number of constant parameters

• constants - constant parameters

• ctx - optional user context

See Also

PetscDS, PetscDSGetRiemannSolver()

Level

intermediate

Location

src/dm/dt/interface/dtds.c

Examples

src/ts/tutorials/ex11.c
src/ts/tutorials/ex18.c

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