petsc-3.7.5 2017-01-01

PetscDSGetRiemannSolver

Returns the Riemann solver for the given field

Synopsis

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

Not collective

Input Arguments

	prob	- The PetscDS object
	f	- The field number

Output Argument

r -Riemann solver

Calling sequence for r

r(PetscInt dim, PetscInt Nf, const PetscReal x[], const PetscReal n[], const PetscScalar uL[], const PetscScalar uR[], PetscScalar flux[], void *ctx)

	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
	ctx	- optional user context

PetscDSGetRiemannSolver

Synopsis

Input Arguments

Output Argument

Calling sequence for r

See Also