PetscFVRefine#
Create a “refined” PetscFV
object that refines the reference cell into smaller copies.
Synopsis#
#include "petscfv.h"
PetscErrorCode PetscFVRefine(PetscFV fv, PetscFV *fvRef)
Input Parameter#
fv - The initial
PetscFV
Output Parameter#
fvRef - The refined
PetscFV
Notes#
This is typically used to generate a preconditioner for a high order method from a lower order method on a refined mesh having the same number of dofs (but more sparsity). It is also used to create an interpolation between regularly refined meshes.
See Also#
Level#
advanced
Location#
Index of all FV routines
Table of Contents for all manual pages
Index of all manual pages