[mesa-users] Small bug in the one zone burner?

[Francis Timmes]

i’ll take a look.

fxt


> On Jul 10, 2015, at 5:05 PM, Ken Shen <kenshen at astro.berkeley.edu> wrote:
> 
> Hi all, I think I've found a minor bug in the one zone burner that makes up the net test directory.  I don't think it concerns the vast majority of you...
> 
> In mod_one_zone_burn.f, the subroutine burn_solout1 prints out some stuff to look at while the one zone burn is going.  It uses the mass fraction array "x" and computes things like composition info, eos calls, etc.  However, when called by burn_finish_substep, I think burn_solout1 is actually getting passed a number abundance array "y" (as in x_i = y_i*A_i, where A is the molecular weight).  That's because burn_finish_substep is called by net_1_zone_burn and burn_1_zone via burner_finish_substep, and that interface asks for "y", not "x".
> 
> When I sum "x" from within burn_solout1, I definitely don't get 1.  And the abundances all seem to be the number abundances, as far as I can tell.
> 
> Also, I don't think this problem exists with the constant pressure burn flag on because that burner passes along "x", not "y".
> 
> Anyone want to verify?
> 
> 
> Thanks,
> Ken
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