20M_pre_ms_to_core_collapse

This test suite evolves a solar metalicity 20 \({\rm M}_\odot\) model from the pre-ms to core collapse. For bit for bit convergence, we recomended to run by using the ./run_all script instead of restarting from models, see https://github.com/MESAHub/mesa/issues/610.

This test_suite has been tested up to 80 solar masses, up to solar metallicity, with mass loss, and produces reasonable HR-tracks. Note that for higher masses at solar metallicity, some combination of Pextra_factor, mass-loss, and/or superadiabatic convection reduction (e.g. mlt++) might be necessary to stabilize the surface and avoid numerical issues. See the 80Msun_zams_to_cc test_suite as an example.

For production science we recommend adopting tighter mesh and timestep controls, such as those suggested in the comments of inlist_common.

Physical checks

None

Inlists

This test case has seven parts.

• Part 1 (inlist_make_late_pre_zams) creates a 20 \({\rm M}_\odot\), Z=1.42*10^-2 metallicity, pre-main sequence model and evolves it for 100 years.

• Part 2 (inlist_to_zams) evolves the model to the zero age main sequence.

• Part 3 (inlist_to_end_core_he_burn) takes the model to core helium depletion.

• Part 4 (inlist_remove_envelope) removes the remianing hydrogen envelope. (optional)

• Part 5 (inlist_to_end_core_c_burn) takes the model to core carbon depletion.

• Part 6 (inlist_to_lgTmax) evolves the model until the core temperature reaches log T =9.60 (approximately silicon-shell burning)

• Part 7 (inlist_to_cc) evolves until core collapse.

Last-Updated: 18Dec2023 by EbF