petsc-3.9.4 2018-09-11
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DMPlexSetAdjacencyUseCone

 Define adjacency in the mesh using either the cone or the support first

Synopsis

#include "petscdmplex.h"   
#include "petscdmlabel.h"  
PetscErrorCode DMPlexSetAdjacencyUseCone(DM dm, PetscBool useCone)

Input Parameters

dm - The DM object
useCone - Flag to use the cone first

Notes

    FEM:   Two points p and q are adjacent if q \in closure(star(p)),   useCone = PETSC_FALSE, useClosure = PETSC_TRUE

    FVM:   Two points p and q are adjacent if q \in support(p+cone(p)), useCone = PETSC_TRUE,  useClosure = PETSC_FALSE

    FVM++: Two points p and q are adjacent if q \in star(closure(p)),   useCone = PETSC_TRUE,  useClosure = PETSC_TRUE

See Also

DMPlexGetAdjacencyUseCone(), DMPlexSetAdjacencyUseClosure(), DMPlexGetAdjacencyUseClosure(), DMPlexDistribute(), DMPlexPreallocateOperator()

Level

intermediate

Location

src/dm/impls/plex/plexdistribute.c

Examples

src/ts/examples/tutorials/ex11.c.html

Index of all DMPLEX routines
Table of Contents for all manual pages
Index of all manual pages