[mesa-users] He-flash problem
ostrowski at astro.uni.wroc.pl
Fri Dec 14 09:39:42 EST 2012
Ehsan, thank you for your advice, being patient solved the problem. I got helium flash around model 18000 (~3 hours of calculations) but I'm a little bit surprised that it was so late.
On 13 gru 2012, at 15:29, Ehsan Moravveji <moravveji at iasbs.ac.ir> wrote:
> Hello Jakub,
> As a first attempt, try to be more patient, and let the model number pass
> nearly 14,000. In my case, I have it around there.
> Let us know how it goes.
>> I'm a new user of MESA and I'm currently trying to learn how to use the
>> code. It's totally awesome :) However I found a problem with helium flash.
>> I try to calculate evolution of 1.0 M_S star and it doesn't want to start
>> helium burning.
>> I tried many inlists with different parameters but nothing helps. I'm
>> especially bothered because even the unmodified be me inlist from test
>> '1M_pre_ms_to_wd' doesn't work. I calculated up to 10500 models and then
>> forced stop. In awesome video '1M summary', which is available on the main
>> page of MESA, there is a helium flash around model 4500.
>> I don't have problem with helium burning in massive models without
>> He-flash. I tested eg. 7 or 20 solar masses.
>> I use OS X 10.8.2, MESA 4631 and the latest version of SDK. Because I'm
>> really a beginning user I don't know which other information I should
>> provide you in order to solve this problem.
>> I would be grateful for any kind of help.
>> PS. Is it possible to use with PGSTAR the same format of output during
>> calculations of evolution like in the mentioned video? I think it has
>> perfect size and optimal set of parameters just to follow what the code is
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