I think it would also be interesting to have something similar to TS ex25, but now with DMPlex and DG.
On 4 October 2016 at 04:57, Justin Chang <[email protected]> wrote: > 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 <[email protected]> wrote: > >> >> > On Oct 3, 2016, at 9:45 PM, Justin Chang <[email protected]> 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 <[email protected]> >> wrote: >> > On Mon, Oct 3, 2016 at 6:36 PM, Justin Chang <[email protected]> >> 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 >> > >> >> >
