[petsc-users] DG within DMPlex

[Praveen C]

DG for elliptic operators still makes lot of  sense if you have

problems with discontinuous coefficients
local grid adaptation (hp)
convection-diffusion where convection is dominant
fourth order problems (standard C^0 elements can be used)

praveen


On Tue, Oct 4, 2016 at 7:58 AM, 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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