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Specifying initial abundances when doing network calculations with constant entropy

2018-10-24
2018-10-24
  • Leonard Nielsen

    Leonard Nielsen - 2018-10-24

    Dear Professor Meyer,

    I would first like to thank you for creating this excellent set of easily
    usable tools!

    Second, in order to reproduce some results I need to run a network
    calculation that works exactly like run_constant_entropy (that is, with
    constant entropy per nucleon) except I don't want to start it in NSE with
    all the participating nuclei, but rather in an NSE constrained to a few
    select isotopes (that is, I want it to read from mass fractions like
    run_single_zone). I suspect this is relatively simple but I can't figure
    out the necessary modification. Just specifying the nuclear xpath obviously
    does not work since that excludes those isotopes from participating at all;
    I just want to constrain the initial abundances. Perhaps I can add the
    density/entropy calculation procedures to a custom version of
    run_single_zone?

    Thank you in advance!

    Regards,

    L.C.Nielsen

     
  • Leonard Nielsen

    Leonard Nielsen - 2018-10-24

    Hi,

    I believe I have figured it out myself by modifying the property updating functions and variables in run_single_zone to match that of run_constant_entropy. Hopefully.

     

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