[mesa-users] Fwd: Core collapse

[Bill Paxton]

Can anyone help Sasha on this one.

-B




Begin forwarded message:

> From: kostenko at astro.utoronto.ca
> Date: November 13, 2014 2:32:18 PM PST
> To: "Bill Paxton" <paxton at kitp.ucsb.edu>
> Subject: Re: [mesa-users] Core collapse
> 
> Hi, Bill
> 
> Thank you very much for your help - it seems to be working. However,
> there's a small follow-up that I hope you might be able to help me with.
> 
> I'm looking at the abundance plot, but the x-axis behaves very strangely.
> Specifically, when I'm plotting a massive star, the value of M/Msun on the
> x-axis doesn't seem to correspond to the actual mass of my star. I've
> attached two graphs, one for M=40Msun and one for M=12Msun. In both cases,
> as you can see, the x-axis does not reach these values.
> 
> I couldn't figure out how to fix this behaviour by looking at the pgstar
> defaults. Any input would be greatly appreciated.
> 
> Sasha










>> Hi,
>> 
>> The 150M case is actually loading a starting model rather than doing
>> create_pre_ms.
>> The starting model is a pre_ms model, but it already has its mass set.
>> 
>> You might start with 40M_z1m2_o_burn_to_collapse and edit inlist_40M_z1m2.
>> 
>> delete these lines
>>         load_saved_model = .true.
>>         saved_model_name = '40Mz1m2_pre_o_burn.mod'
>> and add this one in their place
>>      create_pre_main_sequence_model = .true.
>> 
>> this is the line to change to get a different mass
>>         initial_mass = 40
>> and change both of these for different Z
>>         initial_z = 1d-2
>>         Zbase = 1d-2
>> 
>> Good luck,
>> Bill
>> 
>> 
>> 
>> 
>> On Nov 11, 2014, at 5:06 PM, kostenko at astro.utoronto.ca wrote:
>> 
>>> Hi, MESA!
>>> 
>>> I have a small question: is there a test suite I can look at/modify to
>>> look at the evolution of a star from pre MS all the way to core
>>> collapse?
>>> The "150M_z1m4_pre_ms_to_collapse" was close to what I want, but I'm not
>>> quite sure how to change the mass in that case - even if I change the
>>> mass
>>> in the inlist, it still outputs the evolution of the exact same (150M)
>>> star.
>>> 
>>> Any suggestions would be welcome.
>>> 
>>> Sasha
>>> 
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