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

[Yamaguchi, Natsuko]

Hello,

Thank you for getting back to me.
I have attached a folder with all the inlist files to this email. The MESA version I am using is r22.05.1.

Best,

Natsuko Yamaguchi
________________________________
From: Pablo Marchant <pamarca at gmail.com>
Sent: Wednesday, January 4, 2023 12:25 AM
To: Yamaguchi, Natsuko <nyamaguc at caltech.edu>
Cc: mesa-users <mesa-users at lists.mesastar.org>
Subject: Re: [Mesa-users] A question about rotational mixing for binary models

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<mailto: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

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