petsc-3.11.2 2019-05-18
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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[], PetscInt numConstants, const PetscScalar constants[], 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
numConstants - number of constant parameters
constants - constant parameters
ctx - optional user context

See Also

PetscDSSetRiemannSolver()

Level

intermediate

Location

src/dm/dt/interface/dtds.c
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages