[Mesa-users] PPISN with hydrogen envelope

[Mairead Heiger]

Hello!

I'm a grad student at the University of Toronto working with Chris Matzner on pair instability pulsations in stars with envelopes. I'm trying to evolve a PPISN with a hydrogen envelope in r15140 using the 2018 instrument paper inlists (r10108). I've also been looking at the test suite as a reference. I've updated the inlists and run_star_extras file to be compatible with r15140, as far as I can tell. However, it fails to compile with the error "___ at (1) is not a member of the 'star_info' structure; did you mean '____'?" due to two eps_grav related variables (eps_grav_dt_term_const_q and eps_grav_dm_term_const_q) and lxtra, xtra, and ixtra variables. Were these changed between r10108 and r15140, and if so, how? Or is there something else I might be missing? I know there were changes to eps_grav, but I'm not sure what is necessary to apply here.

Also, the test suite defines the indices of the lxtra variables (ex. lxtra(lx_hydro_on) ) at the beginning of run_star_extras; the instrument paper inlist doesn't and just uses them as lxtra1, lxtra2, etc. I didn't find other examples of lxtra/xtra/ixtra variables in use outside of the PPISN test suite, so I'm not sure if the difference is due to a change in MESA or if it's a regular difference in how they're written.

The inlists and run_star_extras file that I'm using are attached, and a printout of the error is below.

Thank you very much in advance for your help!

Best,
Mairead Heiger
PhD Student, Astronomy and Astrophysics
University of Toronto


../src/run_star_extras.f90:95:37:

   95 |          s% eps_grav_dm_term_const_q(k) = 0d0
      |                                     1
Error: 'eps_grav_dm_term_const_q' at (1) is not a member of the 'star_info' structure; did you mean 'd_eps_grav_dlnpgasm1_const_t'?
../src/run_star_extras.f90:96:37:

   96 |          s% eps_grav_dt_term_const_q(k) = 0d0
      |                                     1
Error: 'eps_grav_dt_term_const_q' at (1) is not a member of the 'star_info' structure; did you mean 'd_eps_grav_dlnpgasm1_const_t'?
../src/run_star_extras.f90:261:24:

  261 |          extras_startup = 0
      |                        1
Error: Symbol 'extras_startup' at (1) has already been host associated
../src/run_star_extras.f90:266:22:

  266 |             s% lxtra1 = .false.
      |                      1
Error: 'lxtra1' at (1) is not a member of the 'star_info' structure; did you mean 'lxtra'?
../src/run_star_extras.f90:268:22:

  268 |             s% lxtra2 = .false.
      |                      1
Error: 'lxtra2' at (1) is not a member of the 'star_info' structure; did you mean 'lxtra'?
../src/run_star_extras.f90:270:22:

  270 |             s% lxtra3 = .false.
      |                      1
Error: 'lxtra3' at (1) is not a member of the 'star_info' structure; did you mean 'lxtra'?
../src/run_star_extras.f90:272:21:

  272 |             s% xtra1 = -1d0
      |                     1
Error: 'xtra1' at (1) is not a member of the 'star_info' structure; did you mean 'xtra'?
compilation terminated due to -fmax-errors=7.
make: *** [run_star_extras.o] Error 1

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