[mesa-users] use_other_mixing

[Kevin Moore]

HI Amber,

The closest thing to documentation of the other_* routines is the ‘beyond inlists’ section of the MESA sourceforge page (with a concrete example of other_neu), and the tutorial I wrote for the last summer school (http://mesa2014-run-star-extras-tutorial.readthedocs.org/en/latest/index.html) which goes over, luckily for you, other_mlt. Also take a look at the post on the mailing list where I asked people for use cases of the other_* routines since that could give you an idea of what some of them do (http://sourceforge.net/p/mesa/mailman/message/32665736/). Right now, the old summer school material on mesastar.org is probably the best place to look when you’re looking for an example on using one of the other_* routines.

The short answer for your case is that other_mlt lets you specify a completely different way of calculating gradT (for thermal transport) and D_mix (for chemical transport), while other_D_mix just modifies the chemical transport. They get called from different places in the evolve step as well, but it’s better if you dig through the code to find that.

-Kevin

On Feb 7, 2015, at 7:49 PM, Amber Lauer <alauer1 at tigers.lsu.edu> wrote:

> It appears there are two use_other's that refer to mixing, so maybe these are possible too.
> 
> On Sat, Feb 7, 2015 at 9:36 PM, Amber Lauer <alauer1 at tigers.lsu.edu>wrote:
> As some of you may know I am in the midst of a challenge involving adapting a badly documented model that was developed way back in version 3851. Among the difficulties, besides including options that no longer exist and being compiled in ifortran, is that I was not given enough source to rebuild it at will and have had to basically get it running in the old version and compare outputs and try and translate obsolete options to the new version. I have progressed very well, thanks to the help of this list and some specific people on it (you know who you are) and now have all the old models runing. My latest difficulty involves how to adapt a use_other hook. In previous versions it was referred to simply as "other_mixing". Now there are two options "other_mlt" and "other_D_mix". Since D figures very heavily in the other_mixing routine I am working with, I'm unsure which one is appropriate to use now. Also, I'm not so strong in astrophysics (i'm primarily a nuc-astro physicist).  Any input is appreciated. If you prefer to direct me to a file where all these other_hooks are explained, I would find that equally as valuable as a direct answer. Thanks!
> 
> -- 
> Amber Lauer. M.S. Physics
> PhD Student,
> Graduate School of Physics,
> Louisiana State University
> 
> 
> 
> -- 
> Amber Lauer. M.S. Physics
> PhD Student,
> Graduate School of Physics,
> Louisiana State University
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