petsc-3.12.5 2020-03-29
PetscDSSetRiemannSolver
Sets the Riemann solver for the given field
Synopsis
#include "petscds.h"
PetscErrorCode PetscDSSetRiemannSolver(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
|
| 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
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| 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
PetscDSGetRiemannSolver()
Level
intermediate
Location
src/dm/dt/interface/dtds.c
Examples
src/ts/examples/tutorials/ex11.c.html
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages