[mesa-users] Entropy equation used in MESA

Francis Timmes fxt44 at mac.com
Wed Aug 3 09:18:51 EDT 2016

mesa looks up equation of state quantities from tables,
which is why there is not an explicit calculation of 
thermodynamic quantities.

one option is to use mesa's equation of state module in the other code
so that there are no differences in, say, the entropy.

what range of temperature, density, and composition regime are of interest?


> On Aug 3, 2016, at 4:45 AM, Sanskriti Das <dassanskriti at gmail.com> wrote:
> Hi, 
> I am a masters student involved in a research project. I am using the results of MESA as input of another code. I need to calculate the entropy in that code (along with many other things). But it does not match with what MESA calculates. Apparently the equations I am using to calculate entropy are different from what has been used in MESA. 
> Therefore, it would be very helpful if someone can please tell which file contains the equations for calculating entropy. I have searched for it in several files in the EOS module but did not find it. 
> Thanking, 
> Regards,
> Sanskriti 
> (A project student at DAA in TIFR, Mumbai, India)
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