[mesa-users] use_other_mixing

[Amber Lauer]

Thanks for the speedy response! I was actually at the summer school and
saved all the tutorial material so I'll take a look there. I'm also now
unsure if I need to consider using other_diffusion or other_am_mixing. A
line from the paper regarding the model says that the mixing is inherently
linked to the rotation of this star. I guess the question is what standard
physics in MESA do I want to replace? I actually have some really good
authorities so I'll have to consult them next week. In the mean time I at
least have enough information to reconstruct the model under version 3851
now, without having to recycle the executables I was given. Win!

On Sat, Feb 7, 2015 at 10:04 PM, Kevin Moore <klmoore at soe.ucsc.edu> wrote:

> 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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-- 
Amber Lauer. M.S. Physics
PhD Student,
Graduate School of Physics,
Louisiana State University
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