[petsc-users] Solving advection equations implicitly

[Jed Brown]

Do you want it to be time accurate (implies CFL number is modest) or do
you want very large time steps?  If very large time steps, why not
steady state?

Nishant Nangia <nishantnangia329 at gmail.com> writes:

> Hi all,
>
> I want to implicitly solve a linear advection equation of the form:
> dQ/dt + div(u*Q) = 0
>
> for a scalar quantity Q, with some known velocity field u. Note that it is
> purely advection with no diffusion term.
>
> Is there a recommended solver/preconditioner combination to solve something
> like this?
>
> *Nishant Nangia*
> Northwestern University
> Ph.D. Candidate | Engineering Sciences and Applied Mathematics
> Tech L386