[Mesa-users] Mismatch in history.data and profile.data

[Rob Farmer]

Hi,

Surface quantities in the history output are averaged over
surface_avg_abundance_dq  fraction of the star (set in your controls
defaults file), the default is 1d-8. So i'd check what happens if you
average over 1d-8 of the surface of the star.

Rob


On Wed, 28 Nov 2018 at 12:16, pritesh ranadive via Mesa-users <
mesa-users at lists.mesastar.org> wrote:

> Dear all,
> We are trying to generate a 0.9 solar mass model with diffusion and
> the atmosphere is set true.
> I am attaching the inlist_project with this mail for reference.
>
> We noticed that the value for abundances recorded in history.data
> and profile#.data are not matching.
> #**********************************************************************
> specific case below-
> Find the attached profile8.data and history.data
> see model# 1000.
> In the profile8.data - zone 1
> the value for "x_mass_fraction_H" = 7.0110000000000006E-001
> while in the history.data for same model -
> the value for "surface_h1" = 6.9986889825510346E-001
> #**********************************************************************
> We are unable to figure out why there is a discrepancy in the values
> of the same quantity in the two output files.
> Maybe we are missing something here.
> Please let us know what is the possible reason for the above.
>
>
> Pritesh.
> HBCSE_TIFR
>
>
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>
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