Re: [Libmesh-users] Support for DGFEMContext

[David K. <dav...@ak...>]

On Thu, Oct 4, 2018 at 9:09 AM Stogner, Roy H <roy...@ic...>
wrote:

>
> On Wed, 3 Oct 2018, David Knezevic wrote:
>
> > On Wed, Oct 3, 2018 at 6:46 PM Salazar De Troya, Miguel
> > <sal...@ll...> wrote:
> >
> >> Would it be possible if you shared an example of how you use
> DGFEMContext?
> >
> > I don't have any example I can share easily, sorry.
> >
> > It's similar to how you use standard FEMContexts, but there is also space
> > for data from the neighbor element which is what you need in DG
> assembly...
>
> You've got a little bit of informative code in rb_construction.C, but
> none of the reduced_basis examples actually exercise the DG option.
> I'm sure you have a hundred higher priority items on your todo list,
> but even aside from the didactic benefits, it would be nice to get
> some test coverage there at some point.
>
> Paul has been working on a more arbitrary "FEMContext also initializes
> data from other elements" system for FSI codes, and when that's done
> I'll be tempted to refactor DGFEMContext to use it under the hood, and
> if that happens it'd be nice if you already had a "Roy can't break my
> stuff without noticing" safety net.
>

OK, good points.

I'll make myself a to-do to add a test case or example that uses
DGFEMContext.

Best,
David