[mesa-users] new release -- mesa 7184

[Willie Strickland]

Thank you, prolific Bill, et al.

Willie


On Oct 22, 2014, at 11:53 AM, Bill Paxton <paxton at kitp.ucsb.edu> wrote:

> Hi,
> 
> I've been working on adding hydrodynamics with shocks to mesa/star.  It isn't yet ready for general use, so I won't go into details in this release message.  But just so you know, we're making good progress.
> 
> Thanks to Rich, we've now updated mesa to GYRE 3.2.2.
> 
> Joris Vos is now working with Pablo on binaries.
> 
> Josiah continues to improve the documentation and the website.
> 
> Rob Farmer is working on improving the general sanity of the code as well as pushing the exploration of mesa on the Intel Xeon Phi coprocessor with 200+ hardware threads.   plus thanks to Rob we now have mesa on windows!  ask him for details if you are a potential windows user.
> 
> Cheers,
> Bill
> 
> 
> 
> 
> Here's a partial list of the changes since the last release (6794, back in July).  
> 
> change "thermo_haline" to "thermohaline"
> 
> mass limits on overshooting now only apply to core H burn zones -- thanks to Christian Ritter for reporting this bug.
> 
> add control limit_mixing_length_by_dist_to_bdy
> 
> add conv_bdy_mix_softening controls
> 
> add softened_convective_mixing to mixing types -- for modified D_mix near boundaries
> 
> Binary: fix for sync test suite case
> 
> add delta_Pg_mode_freq thanks to Ehsan Morvveji and Chris Mankovich
> 
> fix bug in diffusion when doing accretion -- thanks to Mike Mont. for pointing out the problem
> 
> add accretion_with_diffusion to star test_suite
> 
> fix problem in astero -- now use delta_nu_sigma > 0 to decide when to evaluate chi2_delta_nu
> 
> add eosDT_ideal_gas_get
> 
> add eosDT_HELMEOS_get
> 
> add star controls use_eosDT_ideal_gas use_eosDT_HELMEOS eosDT_HELMEOS_include_radiation eosDT_HELMEOS_always_skip_elec_pos
> 
> add other_build_initial_model and star control use_other_build_initial_model
> 
> add 20M_si_burn_quad_precision test case
> 
> add varcontrol_dt_limit_ratio_hard_max to star
> 
> fix bug for Z almost 0 in eos
> 
> fix trace_history_value_names so can do user-defined history items
> 
> change adjust_mass to improve accuracy of species total masses when doing accretion
> 
> add atm option 'fixed_surface_TP'; add star controls logP_for_fixed_surface_TP, logT_for_fixed_surface_TP, and Teff_for_fixed_surface_TP
> 
> fix ns_he test case
> 
> Rob Farmer: changes to add control for limiting time step used for relax_omega.
> 
> add change by Rob to pgstar_support to workaround a bug in pgplot for tiny ymax-ymin -- set min dy
> 
> add accretion_dump_missing_metals_into_heaviest to &controls and dump_missing_metals_into_heaviest to &star_job
> 
> add other_astero_freq_corr
> 
> add v_center; relax_v_center
> 
> add remove_center_by_radius_cm and remove_initial_center_by_radius_cm
> 
> binary: cleanup tides, remove jdot_tide
> 
> binary: small fix to for binary_controls.defaults
> 
> change pgstar to create output dir for files automatically for "other" plots as well as for standard plots
> 
> add other_adjust_mlt_gradT_fraction
> 
> fix convection/thermohaline transition in mlt
> 
> add other_after_set_mixing_info
> 
> add options for surface corrections in star/astero -- thanks to Warrick Ball for providing the code for this
> 
> in regions with brunt N^2 < 0, set Richardson number to 1 which turns on shear instabilities DSI and SSI
> 
> add data from file as option for profile panels and history panels in pgstar
> 
> add flags for pgstar profile panels and history panels to show log of abs value for y variable
> 
> add option for extra track on history pgstar plots -- data from file
> 
> add option for extra TRho profile in pgstar -- data from file
> 
> delete test_suite case pulse and add pulse_adipls & pulse_gyre in its place
> 
> add hooks for binary history columns in star
> 
> options for history to include values at location of max abs velocity
> 
> add timestep controls based on dt_Courant, dt_thermal, dt_dynamic, dt_mass_loss, and acoustic_radius
> 
> fixup remove center routines for accuracy wrt q, m, r, L, and v
> 
> add KEPLER-style piston; add periodic piston
> 
> add hook "edit_gyre_model" called before model data is passed to gyre so user can inspect and modify it
> 
> add hooks other_edit_gyre_info and other_edit_pulsation_info
> 
> binary : modify roche_lobe scheme so all solutions underfill roche lobe
> 
> Extended Kolb mdot to handle eccentric orbits. Sync now considers eccentricity
> 
> move eval_Paczynski_gradr from mlt to atm so can build atm before mlt
> 
> binary: unify synchronisation and circularisation
> 
> patch from Dean for adjust_mass and evolve and controls
> 
> support for setting the xaxis in the history panel plots to be any valid history column.
> 
> fix bugs with acceleration limited convection velocities
> 
> add controls for create initial model -- suggested by Chris Mankovich
> 
> Added simplex_chi2_tol option
> 
> Allow xaxis in Kippenhahn plots to be star_age
> 
> add decay factors for artificial viscosity as fcn of distance from Mach 1 location
> 
> add option for conv_vel in saved models so can do acceleration limiting when use as starting model
> 
> 
> 
> 
> 
> 
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