[petsc-users] DG within DMPlex

[Justin Chang]

Advection-diffusion equations. Perhaps SNES ex12 could be modified to
include an advection term?

On Mon, Oct 3, 2016 at 9:52 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
> > On Oct 3, 2016, at 9:45 PM, Justin Chang <jychang48 at gmail.com> wrote:
> >
> > I am just saying the poission problem as an example since that is one of
> the simpler PDEs out there and already exists.
>
>   Sometimes an example for the wrong approach is worse than no example.
> Can you suggest a simple example where Discontinuous Galerkin makes good
> sense instead of when it may not make sense?
>
>    Barry
>
> >
> > On Mon, Oct 3, 2016 at 9:28 PM, Matthew Knepley <knepley at gmail.com>
> wrote:
> > On Mon, Oct 3, 2016 at 6:36 PM, Justin Chang <jychang48 at gmail.com>
> wrote:
> > Hi all,
> >
> > Is there, or will there be, support for implementing Discontinuous
> Galerkin formulations within the DMPlex framework? I think it would be nice
> to have something such as the SIPG formulation for the poisson problem in
> SNES ex12.c
> >
> > We will have a trial DG in PETSc shortly. However, I don't think DG
> methods make much sense for elliptic
> > problems. Why would I use it there?
> >
> >   Thanks,
> >
> >     Matt
> >
> > Thanks,
> > Justin
> > --
> > 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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