Matthew Knepley via petsc-users writes:
>> I am just wondering which way is better, or do you have any other
>> suggestion?
>>
> If you plan on doing a lot of mesh manipulation by hand and want to control
> everything, the first option might be better.
> On the other hand, if you use Plex, you
Hi,
We want to incorporate the PETSc into our in-house FEM package. We found two
ways to do the domain decomposition.
The first one is to read the mesh with partitioning, and the partitioning is
done with gmsh. For this one, we need to do the index mapping (renumbering). We
found that the