[Mesa-users] Convective Mass Region in MESA

[Anindya Ganguly]

Thank you!

On Sun, Oct 13, 2019 at 5:08 AM anne.thoul at uliege.be <anne.thoul at uliege.be>
wrote:

> Dear Anindya,
>
> If you look at the mesa/star/defaults/history_columns.list file you will
> find the following lines. Uncommenting the line mixing_regions will add
> columns in your history.data file with information about all the regions in
> the star with different mixing types, including the top and bottom
> locations of the convective envelope.
>
> Anne
>
>
> !## mixing regions
>
>      mass_conv_core ! (Msun) mass coord of top of convective core.  0 if
> core is not convective
>
>      !  mx1 refers to the largest (by mass) convective region.
>      !  mx2 is the 2nd largest.
>
>      !  conv_mx1_top and conv_mx1_bot are the region where mixing_type ==
> convective_mixing.
>      !  mx1_top and mx1_bot are the extent of all kinds of mixing,
> convective and other.
>
>      ! values are m/Mstar
>      conv_mx1_top
>      conv_mx1_bot
>      conv_mx2_top
>      conv_mx2_bot
>      mx1_top
>      mx1_bot
>      mx2_top
>      mx2_bot
>
>      ! radius -- values are radii in Rsun units
>      !conv_mx1_top_r
>      !conv_mx1_bot_r
>      !conv_mx2_top_r
>      !conv_mx2_bot_r
>      !mx1_top_r
>      !mx1_bot_r
>      !mx2_top_r
>      !mx2_bot_r
>
>      ! you might want to get a more complete list of mixing regions by
> using the following
>
>      !mixing_regions <integer> ! note: this includes regions where the
> mixing type is no_mixing.
>
>         ! the <integer> is the number of regions to report
>         ! there will be 2*<integer> columns for this in the log file, 2
> for each region.
>         ! the first column for a region gives the mixing type as defined
> in const/public/const_def.f90.
>
>         ! the second column for a region gives the m/mstar location of the
> top of the region
>         ! entries for extra columns after the last region in the star will
> have an invalid mixing_type value of -1.
>         ! mstar is the total mass of the star, so these locations range
> from 0 to 1
>         ! all regions are include starting from the center, so the bottom
> of one region
>         ! is the top of the previous one.  since we start at the center,
> the bottom of the 1st region is 0.
>
>         ! the columns in the log file will have names like 'mix_type_1'
> and 'mix_qtop_1'
>
>         ! if the star has too many regions to report them all,
>         ! the smallest regions will be merged with neighbors for reporting
> purposes only.
>
>
>      !mix_relr_regions <integer>
>         ! same as above, but locations given as r/rstar instead of m/mstar.
>         ! the columns in the log file will have names like
> 'mix_relr_type_1' and ‘mix_relr_top_1'
>
>
> > Le 11 oct. 2019 à 03:39, Anindya Ganguly via Mesa-users <
> mesa-users at lists.mesastar.org> a écrit :
> >
> > Hi,
> >
> > I am a new user of MESA. For my model, I want to know how to get the
> information of the top and bottom of the convective envelope zone of
> different mass stars.
> > I shall be highly obliged if you kindly help me to solve the problem.
> >
> > Anindya Ganguly
> > Tata Institute Of Fundamental Research
> > Mumbai,India
> >
> > _______________________________________________
> > mesa-users at lists.mesastar.org
> > https://lists.mesastar.org/mailman/listinfo/mesa-users
> >
>
>
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