[mesa-users] Changes to the gravitational constant

[Robert Farmer]

Hi

You need to set the s%cgrav(1:s%nz) array with the value of the
gravitational constant you want.

Have a look in the $MESA_DIR/star/other/other_cgrav.f90 file for how to
hook up an other_ routine for changing the cgrav value

Rob



On Wed, May 31, 2017 at 10:16 AM, Nsamba Benard <nsambabenard2net at gmail.com>
wrote:

> Hello,
>
> We are trying to make some changes on the gravitational constant so that
> it varies with a parameter say radius.
>
> say.    Gnew = Go(1 + constant*radius)
>
> I am supposed to do this in the run_star_extras but not sure how to do it.
> Can someone help me how to incorporate this.
>
> Thank you.
>
> Cheers,
> Benard
> ------------------------------------------------------------
> ----------------------------------------------
> Benard Nsamba
> PhD student                                  Centro de Astrofisica
>                                                     Universidade do Porto
>                                                     Rua das Estrelas
> Tel: +351 920 404 108 <+351%20920%20404%20108>                   4150-762
> Porto, Portugal
> E-mail: benard.nsamba at astro.up.pt <Benard.Nsamba at astro.up.pt>
> Skype: benardnsamba
>
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