[petsc-users] Element to local dof map using dmplex

[Matthew Knepley]

On Wed, Oct 12, 2016 at 6:40 AM, Morten Nobel-Jørgensen <mono at dtu.dk> wrote:

> Dear PETSc developers / Matt
>
> Thanks for your suggestions regarding our use of dmplex in a FEM context.
> However, Matt's advise on  using the PetscFE is not sufficient for our
> needs (our end goal is a topology optimization framework - not just FEM)
> and we must honestly admit that we do not see how we can use the MATIS and
> the MatSetValuesClosure or DMPlexMatSetClosure to solve our current issues
> as Stefano has suggested.
>
> We have therefore created a more representative, yet heavily
> oversimplified, code example that demonstrates our problem. That is, the
> dof handling is only correct on a single process and goes wrong on np>1.
>
> We hope very much that you can help us to overcome our problem.
>

Okay, I will look at it and try to rework it to fix your problem.

I am in London this week, so it might take me until next week.

  Thanks,

     Matt


> Thank you for an excellent toolkit
> Morten and Niels
>



-- 
What most experimenters take for granted before they begin their
experiments is infinitely more interesting than any results to which their
experiments lead.
-- Norbert Wiener
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