>
>
>
> > The Riemann solver computes the flux and the Jacobian is assembled in
> PETSc.
>
> If you run this example with an implicit integrator, it uses FD coloring
> to compute the Jacobian. Manav wants an analytic Jacobian. I was
> hoping Matt could answer this; I haven't used Plex in that
Mark Adams via petsc-users writes:
>> The following is still unclear and I would appreciate some guidance:
>>
>> — A implicit DG solve of the inviscid Euler equations would require
>> Jacobian contributions from the Riemann Solver at element interfaces. I do
>> not see the ability to define
On Sat, Jan 12, 2019 at 6:59 PM Manav Bhatia via petsc-users <
petsc-users@mcs.anl.gov> wrote:
> I have been studying the source code and the manual entries in the
> documentation and have a better understanding of setting up a high-order DG
> analysis.
>
> I have been able to identify the