petsc-3.14.5 2021-03-03
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# LandauCreateVelocitySpace

Create a DMPlex velocity space mesh

### Synopsis

    #include "petscdmplex.h"
    #include "petsclandau.h"
    PetscErrorCode LandauCreateVelocitySpace(MPI_Comm comm, PetscInt dim, const char prefix[], Vec *X, Mat *J, DM *dm)

Collective on comm

### Input Parameters

| comm | - The MPI communicator
| dim | - velocity space dimension (2 for axisymmetric, 3 for full 3X + 3V solver)
| prefix | - prefix for options

### Output Parameter

| dm | - The DM object representing the mesh + X - A vector (user destroys)

| J | - Optional matrix (object destroys)

### Keywords

mesh

### See Also

DMPlexCreate(), LandauDestroyVelocitySpace()

### Level

beginner

### Location

src/ts/utils/dmplexlandauplexland.c

### Examples

src/ts/utils/dmplexlandau/tutorials/ex1.c.html
src/ts/utils/dmplexlandau/tutorials/ex2.c.html
src/ts/utils/dmplexlandau/tutorials/ex1f90.F90.html
Index of all LANDAU routines
Table of Contents for all manual pages
Index of all manual pages