[petsc-users] DG within DMPlex

[Barry Smith]

> 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
>