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MESA Contributed Procedures

This repo contains contributed procedures that can be used with the stellar evolution code Modules for Experiments in Stellar Astrophysics (MESA).

Although this repo is administered by the MESA team and many of the contributions are from team members, it is not part of the main trunk and the MESA team takes no responsibility for the correctness of the procedures. If you are having trouble with a particular procedure, you should contact the person(s) who contributed that procedure to see if they can help.

Many of the procedures will have been developed for a particular scientific purpose and have an associated publication in which the contributor used that procedure. If so, please cite the relevant publication(s) when using that procedure.

Usage

To use contrib, you must already be familiar with extending MESA using run_star_extras.f90.

The contrib repo can be used with any version of MESA after r12479 by checking out this repo to some directory (e.g. $HOME/mesa-contrib) and pointing the environment variable MESA_CONTRIB_DIR there. e.g.

export MESA_CONTRIB_DIR=$HOME/mesa-contrib

Then, $MESA_CONTRIB_DIR/hooks will be added to the include path when compiling a MESA work folder. Use your chosen routine by adding an include statements after contains in your run_star_extras.f90. e.g. to use hooks/try_mesa_contrib.f90, you would add something like

    ...
    contains
   
    include 'try_mesa_contrib.f90'       ! add this line
   
    subroutine extras_controls(id, ierr)
       integer, intent(in) :: id
       ...

to get access to the (trivial) subroutine try_mesa_contrib. If you call this at the end of extras_controls,

       ...

       call try_mesa_contrib

    end subroutine

you should see the message

you're ready to call routines from mesa-contrib

shortly after the start of your MESA run.