[Mesa-users] A question about rotational mixing for binary models

Pablo Marchant pamarca at gmail.com
Wed Jan 4 08:25:12 UTC 2023


Dear Yamaguchi,

Can you please share your full inlists (as attachments) as well as mention
your MESA version?

El mié, 4 ene 2023 3:09 a. m., Yamaguchi, Natsuko via Mesa-users <
mesa-users at lists.mesastar.org> escribió:

> Hello,
>
>
> I am a graduate student trying to test the effect of rotational mixing on
> some binary models and am having some difficulty.
>
> I have only recently started using MESA and any assistance on this would
> be greatly appreciated.
>
>
> *Problem:* Including rotational mixing makes no difference to the output
> so I believe it may not be turning on at all.
>
>
> *A few options I have set in inlist_project:*
>
>    - evolve_both_stars = .false.
>    - m1 = 1.5d0
>    - m2 = 0.7d0
>    - initial_period_in_days = 0.75d0 (I have also tried this with m1 =
>    1.0, initial_period = 3.1)
>
> *A few options in inlist_1, including those of rotational mixing:*
>
>    - set_uniform_initial_composition = .true. + initial_h1, initial_h2
>    etc. (I include this here because when I tried including mixing without
>    this once, it did turn on - though there were still issues such as the
>    value of the am_D_mix_factor not having any effect)
>    - am_D_mix_factor = 1/30d0
>    - D_ES_factor = 1 (I have also tried this with am_D_mix_factor = 1,
>    D_ST_factor = 1 instead of D_ES_factor, etc.)
>
> Am I missing anything in the settings for rotational mixing? If additional
> information is helpful, please let me know.
>
>
> Thank you very much in advance,
>
>
> Best,
>
> Yamaguchi
>
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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