[Mesa-users] Requesting help with binary core-collapse modeling

[Jared Goldberg]

Sure, though some others on-list have lots of useful expertise in binary
stellar evolution to core collapse, so let's give them a chance to chime in
too

On Thu, May 1, 2025 at 1:51 PM Mandal, Soham (uqa7ur) <soham at virginia.edu>
wrote:

> Thanks for your prompt response, Jared! The make and src directories are
> attached here. Regarding where the solver fails, I am not sure how to tell
> which star is failing and what phenomenon causes it. Maybe we can have a
> discussion off-list to avoid clutter here and come back with a resolution?
>
> Thanks,
> Soham
> ------------------------------
> *From:* Jared Goldberg <jgoldberg at flatironinstitute.org>
> *Sent:* Thursday, May 1, 2025 1:46 PM
> *To:* Mandal, Soham (uqa7ur) <soham at virginia.edu>
> *Cc:* mesa-users at lists.mesastar.org <mesa-users at lists.mesastar.org>
> *Subject:* Re: [Mesa-users] Requesting help with binary core-collapse
> modeling
>
> We'll need a bit more information on why the solver fails. Is the solver
> failing because of mass transfer or some binary phenomenon? Which star is
> failing? Is it the core or surface of the star that is having issues?
>
> Also, on the setup: is there anything in run_star_extras or binary_extras?
> (can you send a full working directory?)
>
> PS -- if you're exploding stripped donors, note that the test_suite is
> designed for a H-rich envelope and a lot of the steps involve tracking
> where in the star the shock is relative to the He core. I'm happy to
> correspond off-list (or on-list) about how to blow up stripped things with
> a similar setup as ccsn_IIp.
>
> Best,
> ~Jared
>
> On Thu, May 1, 2025 at 1:40 PM Mandal, Soham (uqa7ur) via Mesa-users <
> mesa-users at lists.mesastar.org> wrote:
>
> Hello!
>
> I am trying to model a massive binary system (mass >10M_sun for both
> stars) using MESA-r24.08.1. The system evolves only till about 15-16 Myrs
> and then the solver fails. This is around the time when He is depleted from
> the donor star and C burning is underway. I need to take the system beyond
> C burning (of the donor star) and right up to Si burning (of the donor
> star), so that the donor star model can then be exploded as in the
> star/test_suite/ccsn example. Can you please advice on how to proceed? I
> have attached a copy of my inlists for reference. Any help will be
> greatly appreciated!
>
> Thanks,
> Soham
>
> ------------------------------------------------
> Dr. Soham Mandal
> VITA postdoctoral research fellow
> Department of Astronomy
> University of Virginia
> _______________________________________________
> mesa-users at lists.mesastar.org
> https://lists.mesastar.org/mailman/listinfo/mesa-users
>
>
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