[petsc-users] SNESFAS for an unstructured mesh

[Vijay S. Mahadevan]

Khai,

There is DMMoab in PETSc that can handle unstructured meshes and I am
currently refining and preparing a PR to PETSc that includes features
to support geometric multigrid. I do not have an example yet to use
FAS as a solver but can create one for an unstructured grid. Are there
any particular features that you are looking for in the example ? Why
is DMPlex not an option for you ?

Vijay

On Wed, Jun 29, 2016 at 9:59 AM, Khai Pham <khaipham at utexas.edu> wrote:
> Hi Petsc-users,
>
> I'm looking for the use of nonlinear multigrid method (FAS). I'm wondering
> if someone could point me to an example of using FAS for an unstructured
> mesh without using DMPlex in petsc. Thanks !
>
> Khai