[aspect-devel] cylindrical rigid body rotation

[Wolfgang Bangerth]

On 04/07/2014 09:34 AM, Timo Heister wrote:
> and we now have the option to remove angular momentum instead of net rotation,
> at least in 2d. See attached plot for an example where you can see that the
> RMS velocity is increasing without the filtering and that net rotation and
> angular momentum give nearly identical results.

Great, thanks Timo!


> It is quite difficult to construct an example where those two methods differ
> by a lot.

You'd need a model where the density is not nearly constant, for example a 
compressible one.

Best
  W.

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Wolfgang Bangerth               email:            bangerth at math.tamu.edu
                                 www: http://www.math.tamu.edu/~bangerth/