[aspect-devel] Problems with periodic boundary conditions (Wolfgang Bangerth)

Max Rudolph maxwellr at gmail.com
Sun Dec 14 18:13:53 PST 2014

Thanks, Wolfgang. If there's anything that I can do to help, such as
provide an input file that is guaranteed to reproduce the problem, please
let me know.


On Sun, Dec 14, 2014 at 5:32 AM, Wolfgang Bangerth <bangerth at tamu.edu>
> Max,
>  Thanks for following up on this problem. I gave up trying to make aspect
>> work
>> using periodic boundary conditions and we're using my finite volume code
>> for
>> this project instead, but if the problem with aspect could be fixed, we
>> might
>> go back to using aspect. The problems that I encountered with aspect
>> occurred
>> regardless of whether I invoked the option to subtract the null space
>> associated with net translation. The problems only occurred at high Ra.
>> If you
>> take the cookbook example with periodic boundary conditions and increase
>> Ra to
>> 10^7 (if memory serves), the error will occur.
> I don't have a solution right now, but will put this on my list for
> January to investigate.
> Best
> Wolfgang
> --
> ------------------------------------------------------------------------
> Wolfgang Bangerth               email:            bangerth at math.tamu.edu
>                                 www: http://www.math.tamu.edu/~bangerth/
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