[CIG-LONG] Re: Cumulative strain history in Gale et alia

[Walter Landry]

Christoph Schrank <schrank at geology.utoronto.ca> wrote:
> I also noted some pretty long run times in the Newtonian
> free-falling slab benchmarks for reasonable resolutions. I did not
> use a layer of air on top though because Gale provides a free
> surface. The time steps had to be decreased significantly in order
> to obtain reasonable velocity fields. However, the recent results
> closely resemble those of FLAC and I2VIS. We are still tweaking the
> Stokes flow models (in 2D) and comparing them to runs in Ellipsis
> 2D. Those two match quite well, however, we are still deviating
> considerably from the analytical solution (generally overestimating
> the velocity). But I need more models to explore the computational
> parameter space properly. I suggest it would be possible to share
> some images/plots via this list?!

Yes, please.  I would be very interested.  If Gale differs from an
analytic solution, that would be a bug.

Cheers,
Walter Landry
walter at geodynamics.org