[Mesa-users] Question about the PPISN test_suite in r-15104

[Bill Paxton]

Ah.  okay.  you’re a pro.  go for it.  and good luck.   

cheers,
bill

> On Dec 20, 2020, at 9:30 AM, Jeremy Sakstein <sakstein at hawaii.edu> wrote:
> 
> Thanks Bill,
> 
> I had used this test suite extensively in r-12778 and have my own work directory is essentially modifications based heavily on the test_suite in that version. I had tested it very extensively and optimized the controls for my science purpose.
> 
> I was hoping to port this over the r-15140 so that I can use the other_EOS() routine without having to use other_eosPT_get(). I'm starting with the test_suite again to understand the changes between the two versions, and one thing I am finding is that whether an initial model will build is more sensitive to the controls (pre_ms_T_c), and that some models fail to converge soon after the pulsations start (the time step goes to zero).
> 
> I turned off rotation immediately to start with something closer to my r-12778 code but it occurred to me this may be part of the new initial model building process so wanted to check if this is indeed the case? 
> 
> Cheers,
> 
> Jeremy
> 
> On Sun, Dec 20, 2020 at 5:58 AM Bill Paxton <paxton at kitp.ucsb.edu <mailto:paxton at kitp.ucsb.edu>> wrote:
> >
> > Hi Jeremy,
> >
> > For trying out new ideas, I’d suggest starting with a simpler test case than PPISN.
> >
> > It is probably the most complex of all the tests — get things working in the black_hole test case first, then migrate to the most difficult problem.   unless your goal is to fails spectacularly, please start simple(r).
> >
> > -Bill
> >
> >
> > > On Dec 20, 2020, at 1:13 AM, Jeremy Sakstein <sakstein at hawaii.edu <mailto:sakstein at hawaii.edu>> wrote:
> > >
> > > Hi everyone,
> > >
> > > I have a quick question about the PPISN test_suite in r-15104.
> > >
> > > I noticed that rotation is turned on by default.
> > >
> > > Is this just to give an example of how to include rotation, and am I safe to switch it off, or is it vital?
> > >
> > > Cheers,
> > >
> > > Jeremy
> > > _______________________________________________
> > > mesa-users at lists.mesastar.org <mailto:mesa-users at lists.mesastar.org>
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> > >

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