[mesa-users] element diffusion during core he burning phase

[Bill Paxton]

Hi,

It runs without problem on my mac --- but I'm still on mac osx 10.6.8 rather than 10.7.

Do you have a modified run_star_extras that I should be using?

-B







On Apr 29, 2013, at 11:33 PM, Ehsan Moravveji wrote:

> Thanks Bill,
> I have reattached the inlist and also the model at the step number 1500. Wait for about 100 steps when center he4 drops below 0.90, and it happens.
> i hope it helps.
> Ehsan.
> 
> 
> On Tue, Apr 30, 2013 at 12:34 AM, Bill Paxton <paxton at kitp.ucsb.edu> wrote:
> Hi Ehsan,
> 
> I'd like to check this with my current development version, but I can't use the photo from the older version.
> Please save a model from about the same time as the photo and send that.
> (photos are specific to a particular version; saved models are not.)
> 
> Thanks,
> Bill
> 
> 
> 
> 
> On Apr 29, 2013, at 6:41 AM, Ehsan Moravveji wrote:
> 
> > Dear all,
> > This is a going to be a feedback. With version 4930 + mesasdk on Lion 10.7, I faced a difficulty during the runtime.
> >
> > When the 5 Msun star (inlist is attached) reaches the core He burning phase, the progress in the step number on the terminal goes very slow. I mention that lg_dt_yr is reasonably large. This happens when core he drops below ~0.90, and the model number is almost 1599. I have also attached a restart photo.
> >
> > Commenting out some lines of the inlist, I finally found the guy in charge:
> >         do_element_diffusion = .true.
> > without diffusion, the run progresses as fast as before.
> > I wonder if the result would be the same on different platforms.
> >
> > I though that the captain of the ship and the rest of the crew might be interested!
> >
> > Best regards,
> > Ehsan Moravveji
> >
> >
> > <inlist_test>
> > <x1500>------------------------------------------------------------------------------
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> 
> 
> 
> 
> -- 
> Kind regards
> 
> Ehsan Moravveji
> http://moravveji.webs.com/
> <inlist_test><mod1500-diffusion-on>

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