[FLASH-USERS] value of Ye for single species runs

[John ZuHone]

Just for reference, Jon and I have been discussing this off-list. The single-species gamma-law EOS only has a stub for this subroutine. I suggested copying the Eos_getAbarZbar stub to the simulation directory and changing it to set the quantities to whatever he needs, but as I am not familiar with this particular diffusion module I think someone with more knowledge should comment if this is the right way to go. 

> On Oct 2, 2015, at 3:32 PM, Slavin, Jonathan <jslavin at cfa.harvard.edu> wrote:
> 
> Hi,
> 
> I have been doing runs trying to simulate the evaporation of interstellar clouds via thermal conduction.  The runs have been working but the clouds are evaporating a bit faster than I expected.  This led me to look into the implementation of flux limitation.  Looking at diff_advanceTherm there is a call to Eos_getAbarZbar, which returns the value of Ye, but it's unclear what value will be returned for a single species run.  I have been setting eos_singleSpeciesA and that seems to work as expected.  I know in multispecies runs Ye = zbar/abar, so I wonder if its 1/abar.  Can anyone help me out on this?
> 
> Regards,
> Jon
> 
> -- 
> ________________________________________________________
> Jonathan D. Slavin                 Harvard-Smithsonian CfA
> jslavin at cfa.harvard.edu <mailto:jslavin at cfa.harvard.edu>       60 Garden Street, MS 83
> phone: (617) 496-7981       Cambridge, MA 02138-1516
> cell: (781) 363-0035             USA
> ________________________________________________________
> 

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