<div dir="ltr">DG for elliptic operators still makes lot of sense if you have<div><br></div><div>problems with discontinuous coefficients</div><div>local grid adaptation (hp)</div><div>convection-diffusion where convection is dominant<br></div><div><div>fourth order problems (standard C^0 elements can be used)</div></div><div><br></div><div>praveen</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 4, 2016 at 7:58 AM, Matthew Knepley <span dir="ltr"><<a href="mailto:knepley@gmail.com" target="_blank">knepley@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote">On Mon, Oct 3, 2016 at 6:36 PM, Justin Chang <span dir="ltr"><<a href="mailto:jychang48@gmail.com" target="_blank">jychang48@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div><div>Hi all,<br><br></div>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<br></div></div></div></blockquote><div><br></div><div>We will have a trial DG in PETSc shortly. However, I don't think DG methods make much sense for elliptic</div><div>problems. Why would I use it there?</div><div><br></div><div> Thanks,</div><div><br></div><div> Matt</div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><div></div>Thanks,<br></div>Justin</div></blockquote></div><span class="HOEnZb"><font color="#888888">-- <br><div data-smartmail="gmail_signature">What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead.<br>-- Norbert Wiener</div>
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