[Mesa-users] Setting Multiple Element Abundances

Andrew Nine anine at astro.wisc.edu
Tue Mar 9 19:10:11 UTC 2021


Hello all,

I'm running evolutionary models of stars after they accrete mass from an
AGB donor in r12115. When I try to set the accreting star's initial
abundances of Ba138, Pb208, and Sr88 to zero, two of the three will take on
some default value that is not zero. Here's what I have in my inlist:

      change_net = .true.
      new_net_name = 'basic_ba.net'

      set_abundance = .true.
      set_initial_abundance = .true.
      chem_name = 'ba138'
      new_frac = 0

      !set_abundance = .true.
      !set_initial_abundance = .true.
      !chem_name = 'pb208'
      !new_frac = 0

      !set_abundance = .true.
      !set_initial_abundance = .true.
      !chem_name = 'sr88'
      !new_frac = 0

I have also attached full copies of my inlist, reaction net, starting
model, and run_star_extras. Is there a way to set all three initial
abundances to zero?

Best,

Andrew Nine
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