[Mesa-users] Replacement for dlnT_dt in the older version r12778

[Farag, Ebraheem]

Hello Tu-Hsuan,

you should be able to call "dlnT_dt = (s% dxh_lnT(k) / s% dt)",  in your run-star-extras to calculate this quantity. Since it is for the most part unused, it was removed from the profile output to prevent unnecessary bloat.

Hopefully that works.

-EbF




________________________________
From: Mesa-users <mesa-users-bounces at lists.mesastar.org> on behalf of Tzu-Hsuan Huang via Mesa-users <mesa-users at lists.mesastar.org>
Sent: Wednesday, February 5, 2025 5:29 AM
To: mesa-users at lists.mesastar.org <mesa-users at lists.mesastar.org>
Subject: [Mesa-users] Replacement for dlnT_dt in the older version r12778


Dear mesa users,

I've encountered a problem moving scripts from the older version of MESA onto the latest version of MESA.
In version r12778 there is a parameter in profile_columns.list which is:

dlnT_dt ! time derivative of log(temperature) at fixed mass coordinate (Lagrangian)

and it can be called in run_star_extras.f by s%.
I wonder where it goes in the 24.08.1 version or which alternative should I use instead?
I looked through the documents and didn't find the answer or I missed it.
Please correct me if I'm wrong.
Thanks!

Best regards,
Shane
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