[Mesa-users] Simulation-calibrated MLT parameters and atmospheric T(tau) relations

[Francis Timmes]

warrick's package is now also posted on mesastar.org in the add-on section.

fxt



> On Mar 27, 2018, at 2:59 AM, Warrick Ball via Mesa-users <mesa-users at lists.mesastar.org> wrote:
> 
> Hi everyone,
> 
> In a pair of 2014 papers [1][2], Regner Trampedach and collaborators fit mixing-length theory (MLT) parameters (usually \alpha_\mathrm{MLT} or similar) and the corresponding atmospheric T(tau) relations to a suite of 3D radiation-coupled hydrodynamic (3D RHD) simulations.  I've implemented these MLT parameters and T(tau) relations for MESA r9575 in the attached archive and the results will be presented in a just-submitted paper led by Jakob Mosumgaard.  (Jakob has implemented the same thing in GARSTEC.)
> 
> The attached tarball (hydro_Ttau.tar.gz) contains the code, data, examples and a short readme, which I've also attached separately (README.md).  If you have any comments (including on the README file), let me know.
> 
> The idea behind the code is that, as long as you're within the logg-Teff range covered by the grid and believe the 3D RHD simulation results (bearing in mind they're computed at solar metallicity for a roughly GN93 mixture), then the MLT parameter is no longer free and your stellar model will be computed with the matching atmospheric structure.
> 
> Cheers,
> Warrick
> 
> [1] http://adsabs.harvard.edu/abs/2014MNRAS.442..805T
> [2] http://adsabs.harvard.edu/abs/2014MNRAS.445.4366T
> 
> ------------
> Warrick Ball
> Postdoc, School of Physics and Astronomy
> University of Birmingham, Edgbaston, Birmingham B15 2TT
> wball at bison.ph.bham.ac.uk
> +44 (0)121 414 4552<README.md><hydro_Ttau.tar.gz>_______________________________________________
> mesa-users at lists.mesastar.org
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>