[mesa-users] Mesa sound speeds

[Bill Paxton]

try interpolate_vector_pm in mesa/interp_1d/public/interp_1d_lib.f90

please send such questions to mesa-users rather than to me directly.

thanks,
bill



On Jul 31, 2015, at 12:30 PM, Farag, Ebraheem Khaled wrote:

> Hey can I ask what program you used to interpolate and calculate those differences for that photo. It looks very nice!
> 
> thanks
> -Ebraheem
> From: Bill Paxton [paxton at kitp.ucsb.edu]
> Sent: Friday, July 31, 2015 12:45 PM
> To: Farag, Ebraheem Khaled
> Cc: mesa-users at lists.sourceforge.net
> Subject: Re: [mesa-users] Mesa sound speeds
> 
> 
> On Jul 31, 2015, at 11:19 AM, Farag, Ebraheem Khaled wrote:
> 
>> Thanks for the information! Can I ask which column in the profile you used to plot sound speeds?
> 
> Since the data has sound speed and radius at each point, you want to do the same with mesa.
> 
> This means that instead of using the cell-centered sound speed (csound), you need to use the value interpolated to the cell boundary where radius is defined (csound_at_face).
> 
> i can't comment on the issue of sound speeds in the outer few percent by radius.   The data in bp98soundspeeds.dat stops at R/Rsun = 0.947321.  
> 
> 
> I do have data from Aldo Serenelli that goes out farther.  MESA agrees pretty well out to 99% (not quite as good as Aldo's results however), but both have problems in the outermost 1% by radius compared to the "data".
> 
> 

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