[mesa-users] Binary capabilities on MESA

[Pablo Marchant]

One other thing I forgot, is that the test cases are documented on
mesastar.org,

http://mesastar.org/documentation/tutorials/roche-lobe-test-cases

So there one can see pretty clearly what each test case does also.

On Thu, Oct 4, 2012 at 8:43 PM, Pablo Marchant <pamarca at gmail.com> wrote:

> Thanks for your quick and very informative answer :D
>
> This gives me a clearer picture of how things work, so I can start digging
> on the code, and ask again here if I get lost with something. I'll discuss
> it in detail with Norbert when he comes back to Bonn next week, and I'll
> keep you on the loop of course.
>
> Additional hands working on development of this would certainly be great.
> Guess Tassos is part of the mailing list, but I can also contact Selma. And
> Jean-Claude, guess I'll see you around here then.
>
> Cheers!
>
> On Thu, Oct 4, 2012 at 7:08 PM, Bill Paxton <paxton at kitp.ucsb.edu> wrote:
>
>> Hi,
>>
>> Also, take a look at star/binary_systems/tide_routines.inc -- I've
>> haven't tested it, but I think it is close to being a working
>> implementation in mesa of the spiba routine from Norbert et al.   We'll
>> need to add code to the rlo routines to call the synch_spin_to_orbit
>> routine from an "other_torque" routine.  The other_torque routine will need
>> to get the arguments for synch_spin_to_orbit from the current state of the
>> binary (see star/binary_systems/rlo_data.inc).
>>
>> -B
>>
>>
>>
>>
>>
>> On Oct 4, 2012, at 5:03 AM, Pablo Marchant wrote:
>>
>> > Hi! Last August at the MESA summer school we had a small session where
>> we discussed the binary evolution capabilities of MESA. As far as I can
>> remember, Bill Paxton said that the current implementation for binaries is
>> more a "proof of concept" than a robust implementation (not his precise
>> words but something on that line). In that sense, the current code has
>> restrictions, as for instance only one star can be an accretor while the
>> other one is set as the donor in a fixed way at the beggining of the
>> simulation. Also, tidal torques are not implemented.
>> >
>> > Even though I'm not very experienced in FORTRAN, I've been skimming
>> through the source code trying to understand where these things are done,
>> but not to much avail. I've also been playing with the binary examples on
>> the test suite (binary_rlo and binary_rlo_implicit, which have equal
>> initial conditions but different implementations for mass transfer), but I
>> have no idea if there's a simple way to output info on the binary system
>> itself.
>> >
>> > So, going to the point ... I'm really interested on getting a robust
>> implementation for binaries on MESA, so mostly I'd like to know more
>> precisely what are the limitations of the current implementation and if
>> it's part of the development roadmap to enhance this capability. In any
>> case, I would not have problems on getting involved on actual development
>> for this functionality.
>> >
>> > Cheers to all!
>> >
>> > --
>> > Pablo Marchant Campos
>> > M.Sc on Astrophysics, Universidad Católica de Chile
>> > PhD student, Argelander-Institut für Astronomie
>> >
>> ------------------------------------------------------------------------------
>> > Don't let slow site performance ruin your business. Deploy New Relic APM
>> > Deploy New Relic app performance management and know exactly
>> > what is happening inside your Ruby, Python, PHP, Java, and .NET app
>> > Try New Relic at no cost today and get our sweet Data Nerd shirt too!
>> >
>> http://p.sf.net/sfu/newrelic-dev2dev_______________________________________________
>> > mesa-users mailing list
>> > mesa-users at lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/mesa-users
>>
>>
>
>
> --
> Pablo Marchant Campos
> M.Sc on Astrophysics, Universidad Católica de Chile
> PhD student, Argelander-Institut für Astronomie
>
>


-- 
Pablo Marchant Campos
M.Sc on Astrophysics, Universidad Católica de Chile
PhD student, Argelander-Institut für Astronomie
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.mesastar.org/pipermail/mesa-users/attachments/20121005/a7270b5a/attachment.html>