[mesa-users] changing entropy of accreting material

[Bill Paxton]

Hi,

You can do what you need but not by way of the inlist.
Instead you'll need to write a few lines of code to go in
your run_star_extras to add an "other_energy" routine.
That routine will compute the ergs/second change
from the accretion and distribute that as "extra_heat"
in the outer cells of the model.

Take a look at star/other/other_energy; there are
many users who have experience with doing similar
things, so don't hesitate to post questions.

Good luck,
Bill


 





On Mar 5, 2013, at 8:09 AM, Masanobu Kunitomo wrote:

> Dear all,
> 
> I am using MESA version 4589 and I have a question about how to change entropy of accreting material.
> 
> When we calculate stellar evolution with accretion (positive dM/dt), is it possible to change the entropy of accreting material?
> In other words, I want to calculate the case that accreting material has higher or lower entropy than stellar surface.
> 
> Sincerely,
> Masanobu Kunitomo
> 
> --
> Masanobu Kunitomo
> PhD student
> JSPS Researcher
> Tokyo Institute of Technology
> Dept. of Earth and Planetary Sciences
> Email: kunitomo at geo.titech.ac.jp
> 
> 
> 
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