[mesa-users] rotation

[Craig Wheeler]

  And wherever you have rotation, you have magnetic fields...

Craig



On 3/7/15 2:01 PM, Bill Paxton wrote:
> Hi Sanaz,
>
> In addition to the sources mentioned by Rob and Frank, I want to recommend that you go back over section 6 on rotation in the 2013 mesa paper and then carefully read some of the papers referenced there.
>
> Our implementation of rotation is based on the Bonn code, kindly make available to us for this purpose by Norbert Langer.  The Bonn implementation is basically the same as was done in the STERN code by Alex Heger when he was a PhD student at Bonn in the late 1990's.  I think he has subsequently based the implementation of rotation in KEPLER on the work he did for STERN, so in that respect I believe MESA and KEPLER are both beneficiaries of Alex's excellent work in STERN.   You definitely need to read his papers on rotation (Heger 2000, 2005). I also want to thank Alex for exchanging a couple of emails with me to check a few details while I was poring over the Bonn code; he was able to confirm that what I had received from Bonn was still a close match to what he had done in STERN at least for the specific points in question.  I did however find many edits in the Bonn rotation code that were dated after the STERN era, so it should not be assumed that MESA, which is based on the later Bonn code, is exactly the same as STERN; there have of course been changes in the code at Bonn since Alex left to do great things with KEPLER.  And of course since I can't resist making changes in anything I touch, the MESA rotation code is not identical to the Bonn rotation code either.   But they all have strong similarities.
>
> For deeper background, you'll want to read the papers by Endal, Sophia, and collaborators, which form the basis of the current implementation approaches (Endal&  Sophia, 1976&  1978; Pinsonneault, Kawaler, Sophia,&  Demarque,1989).
>
> And don't skip the more recent papers on the Bonn code (such as Pertovic et al, 2005; Yoon&  Langer 2005; Brott et al. 2011).
>
> Once you've read and understood all of that, you'll be ready to understand how rotation is handled in mesa!  ;D
>
> Good luck,
> Bill
>
>
>
>
> On Mar 2, 2015, at 11:34 AM, Francis Timmes wrote:
>
>> rich townsend and matteo cantiello have some relevant material
>> from the 2012 summer school.
>>
>> fxt
>>
>>
>>
>>> On Mar 2, 2015, at 10:21 AM, Robert FARMER<rjfarmer at asu.edu>  wrote:
>>>
>>> All the stuff i know about is here:
>>> http://mesastar.org/teaching-materials
>>>
>>> You might need to look into the past summer school material. I don't know if they have any rotation material off hand, so you'll need to check.
>>>
>>> Rob
>>>
>>> On Mon, Mar 2, 2015 at 10:11 AM, sanaz<sanaz.lotfiani at gmail.com>  wrote:
>>> Hi everybody
>>>
>>> I intend to know about  all of the  rotation cods  with completely explanation in MESA,
>>> Do MESA have lectures or papers about this subject?
>>>
>>> Bests
>>> Sanaz
>>>
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-- 
J. Craig Wheeler
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