PetscFERefine#
Create a “refined” PetscFE object that refines the reference cell into smaller copies.
Synopsis#
#include "petscfe.h" 
PetscErrorCode PetscFERefine(PetscFE fe, PetscFE *feRef)
Collective
Input Parameter#
- fe - The initial - PetscFE
Output Parameter#
- feRef - The refined - PetscFE
Notes#
This is typically used to generate a preconditioner for a higher 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 FE routines
Table of Contents for all manual pages
Index of all manual pages