[mesa-users] How to use pointer s1, s2 to call for star_info elements during binary module?

[Pablo Marchant]

Jia, you're turning rotation on, but you need to specify what rotation rate
your star will have!

There are several options for this. In particular, you can try these in
star_job:

       new_omega = 10
       set_omega = .true.
       set_initial_omega = .true.

On Thu, Nov 27, 2014 at 1:26 PM, jiakun1219 <jiakun1219 at 163.com> wrote:

> Thank you very much!
> I have just forget to add "s => b% s1" in my run_binary_extras,and now the
> problem has been solved.
> But I just meet another problem that how could I add rotation during a
> binary evolution?
> I means when I add the sencenses below:
> rotation_flag = .true.
> new_rotation_flag = .true.
> change_rotation_flag = .true.
> change_initial_rotation_flag = .true.
> in &star_job binary/in test_suite/binary_donor_only/inlist1 or inlist2, it
> dosen't work, and the omega is zero.
> Could I add rotation in the &binary_controls?
> I'm very sorry for my poor Englisht and thanks very much again!
> Jia,Kun
>
>
> At 2014-11-27 16:35:50, "Pablo Marchant" <pamarca at gmail.com> wrote:
>
> Jia Kun, could you please provide your run_star_extras.f to see the source
> of the problem?
> El 27/11/2014 5:35, "jiakun1219" <jiakun1219 at 163.com> escribió:
>
>> Dear all,
>>
>> When to evolve a binary system use the binary module in MESA,
>> I have noticed a paragraph in binary_data.inc as below:
>>       integer :: star_ids(2), star_extra_ids(2)
>>       ! pointers that are adjusted to donor and accretor
>>       type (star_info), pointer :: s_donor, s_accretor
>>       ! pointers to fixed stars
>>       type (star_info), pointer :: s1, s2
>> And when I use the pointer s1, s2 (or s_donor, s_accretor) to call for
>> the star_info elements in my subroutine in run_binary_extras.f
>> it makes a error like "Program received signal SIGSEGV: Segmentation
>> fault - invalid memory reference."
>> Then how to use the pointer s1, s2 (or s_donor, s_accretor) to call for
>> the star_info during binary evolution?
>>
>> Thank you very much!
>> Sincerely,
>> Jia Kun
>>
>>
>>
>>
>>
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>
>


-- 
Pablo Marchant Campos
M.Sc on Astrophysics, Universidad Católica de Chile
PhD student, Argelander-Institut für Astronomie
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