[Mesa-users] Evolution simulation questions

Croxmor Moraga rodrigo.moraga.merino at gmail.com
Wed Aug 28 18:04:42 EDT 2019


Thanks, I will check it out.

El mié., 28 ago. 2019 17:32, Adam Jermyn <adamjermyn at gmail.com> escribió:

> Hi Croxmor,
>
> You can find the answer to this by looking in
> MESA_DIR/star/private/winds.f90, which I found by grep'ing for 'Reimers'
> through star/private. In there you'll see a function called
> eval_wind_for_scheme. Following the logic, the wind gets set as
>
>                 wind = 4d-13*(L1*R1/M1)/(Lsun*Rsun/Msun) ! in Msun/year
>
> Following this, if you've set the scheme to 'Reimers', it just gets
> multiplied by a scale-factor called Reimers_scaling_factor, which you can
> set in the controls section of your inlist.
>
> If you want to modify the wind prescription I'd recommend using the
> other_wind hook in run_star_extras. That will let you write your own
> prescription.
>
> Cheers,
> -Adam
>
>
> On Wed, Aug 28, 2019 at 2:25 PM Croxmor Moraga via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
>
>> Greetings developers comunity.
>> You will see, the thing is that I am trying to simulate a red giant star
>> in order the study the mass loss process, following the reimers equations,
>> which is included between the parameters of MESA. But as it was redifined
>> by Schröder and  Cuntz; for this process.
>> I want to study if the presence of the red giant magnetic field,
>> manifested in MHD turbulences from subsurface convection zones which
>> dissipates and escape throught magnetic flux within the cool stellar winds;
>> as it was suggested by Cramer and Saar.
>> I want to know :in which version of the reimers equation is based the
>> standard mass loss relation used by MESA, and if is not the one I want to
>> use, how can I modify that equation in my version of MESA, to use it in my
>> simulations?
>>
>> From beforehand: Thank you and good afternoon.
>> _______________________________________________
>> mesa-users at lists.mesastar.org
>> https://lists.mesastar.org/mailman/listinfo/mesa-users
>>
>>
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