[dune-pdelab] dune-pdelab Digest, Vol 28, Issue 2

Markus Blatt markus at dr-blatt.de
Tue Jan 10 11:51:41 CET 2012


On Mon, Jan 09, 2012 at 03:12:43PM +0100, Jared Okiro wrote:
> On 01/09/2012 02:33 PM, Markus Blatt wrote:

> >
> >On Mon, Jan 09, 2012 at 11:06:28AM +0100, Jared Okiro wrote:
> >>On 01/09/2012 09:35 AM, Markus Blatt wrote:
> >
> >Please answer the following questions:
> >- Which example file are you referring to
> >   (convection-diffusion/dgdiffusion.cc)?
>       Yes
> >- Have you tried tried a test case that is not time dependent?
>     I only tried a scalar case which is time dependent and it worked well.

Huh? Isn't dgdiffusion.cc a stationary problem?

As a first stepI would definitely test a stationary version of your
problem and see whether the problem is there, too.

> >- At which time step /new iteration is this happening?
>    This happens in Iteration 2

Of the newton scheme? In the first time step?

Markus

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