[mesa-users] Resolving core oscillation

Francis Timmes fxt44 at mac.com
Thu Feb 11 14:21:12 EST 2016


on the issue surrounding the first question, to within limits, 
increase the core count to reduce the overall run-time.

fxt



> On Feb 11, 2016, at 11:09 AM, Hurst, Travis J <tjh47 at pitt.edu> wrote:
> 
> Hi,
> 
>    I have introduced some extra energy transport in the core of a solar mass star.  During the RGB phase this extra transport induces thermal pulses and a small convective zone forms at the center.  In order to resolve these pulses MESA requires a timestep of order 100 years.  This means that the full RGB will require months to run.  Are there any timestep controls that might be useful here?  
>  
>    I have also run into an issue when I get to model numbers over 10^6.  The photos for restarts are no longer saved correctly and if I do restart, my star will be where it was at 10^5 models instead of at 10^6 though the model number says it is model 10^6.  
> 
> Thanks,
> Travis
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