[petsc-users] DG methods in PETSc

[Matteo Leone]

Hello, I already posted on Reddit but just to be sure I write even here.

First thanks for the job you do for PETSc, I have used it for several projects and is  always nice.

I am writing cause  I am getting mad trying to implement DG solver in PETSc, the target is the Euler equations, however I am failing even with just the simplest transport equation (u/t + u/x = 0). I was wondering if I am missing somenthing. I tried with the DSSetReimannSolver and DualSpaces, and more, but I keep failing, I tried also with LLMs, but seems like there is no DG code with PETSc on the web, however I see many papers that do it.

I was  wondering if I am maybe missing  something out or what.

For reference I use PETSc 3.24.3 by means of nix.

Thanks in advance, cheers.

Matteo
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