[aspect-devel] Progress in writing the mantle convection code Aspect

[Timo Heister]

> To everone's surprise, Jean-Luc Guermond showed that the first order
> diffusion is not actually monotone (i.e., that over/undershoots can not be
> avoided even if you make beta large) if (and only if) you are in 3d and have
> quadratic or higher elements. I think that's a pretty crazy result!

Does that mean switching to linear elements for
temperature/composition might be a good idea?

-- 
Timo Heister
http://www.math.clemson.edu/~heister/