[petsc-dev] snes/examples/tutorials/ex27.c

[Jed Brown]

On Tue, Nov 15, 2011 at 15:36, Barry Smith <bsmith at mcs.anl.gov> wrote:

> I think it is best if the TS example be cleaned up to do everything the
> SNES example did and not have both around. People will stumble upon the
> SNES one and use it as a template for their work when they should use the
> TS one.
>

Okay, I'll document the options to reproduce the paper's results.


>
>    I would like the TS pseudo time-stepping stuff to actually be a SNES
> solver. That is SNESType SNESPSEUDOTS or something and not be part of TS.
> This is controversial hence nothing has been done to make it this way. Some
> people may argue it is the wrong approach.
>

Well, the way in which the transient term is added is really quite
important. Especially since Ptc often uses some sort of local time
stepping, I don't see a good way to produce that without creating the TS
interface. Since the interface is TS, I think it belongs there.
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