[Mesa-users] How these stages are defined in MESA?

[Frank Timmes]

eps_burn, a nuclear energy generation rate, has units of erg/g/s. L is in units of erg/s. the two phase definitions are close, but not exactly the same.

fxt



> On Sep 14, 2023, at 2:32 AM, 辛文宇 <xinwenyu16 at mails.ucas.ac.cn> wrote:
> 
> Hi fxt,
> 
> Thanks for your suggestions.
> I tried grep and obtained the answer.
> The definition of "stop_at_phase_ZACHeB" is:
> if s% center_eps_burn(i3alf) > 1d2 then s% phase_of_evoluton = phase_ZACHeB
> and the definition of "stop_at_phase_He_Burn" is:
> if s% L_by_category(i3alf) > 1d2 then s% phase_of_evoluton = phase_He_burn
> 
> Is the unit of "1d2" the L_\odot. If the "1d2" in both definitions are L_\odot,
> would this mean that "stop_at_phase_ZACHeB" is same as "stop_at_phase_He_Burn"?
> 
> Thanks,
> Wenyu
> 
> 
> > -----原始邮件-----
> > 发件人: "Frank Timmes" <fxtimmes at gmail.com>
> > 发送时间: 2023-09-12 23:03:24 (星期二)
> > 收件人: "辛文宇" <xinwenyu16 at mails.ucas.ac.cn>
> > 抄送: "Frank Timmes" <fxtimmes at gmail.com>, mesa-users <mesa-users at lists.mesastar.org>
> > 主题: Re: [Mesa-users] How these stages are defined in MESA?
> > 
> > hi wenyu,
> > 
> > grep is your friend when searching for something within the mesa source tree. for example,
> > 
> > % cd $MESA_DIR
> > % grep -r -I --exclude-dir={gyre,adipls,stella,website} --exclude={\*~,\*.log,make} "stop_at_phase_TAMS" *
> > 
> > exploring the output from this search will help answer your question.
> > 
> > fxt
> > 
> > 
> > 
> > 
> > 
> > > On Sep 12, 2023, at 6:11 AM, 辛文宇 <xinwenyu16 at mails.ucas.ac.cn> wrote:
> > > 
> > > Hi everyone, 
> > > 
> > > I notice these switches. 
> > > 
> > > stop_at_phase_PreMS = .false.
> > > stop_at_phase_ZAMS = .false.
> > > stop_at_phase_IAMS = .false.
> > > stop_at_phase_TAMS = .false.
> > > stop_at_phase_He_Burn = .false.
> > > stop_at_phase_ZACHeB = .false.
> > > stop_at_phase_TACHeB = .false.
> > > stop_at_phase_TP_AGB = .false.
> > > stop_at_phase_C_Burn = .false.
> > > stop_at_phase_Ne_Burn = .false.
> > > stop_at_phase_O_Burn = .false.
> > > stop_at_phase_Si_Burn = .false.
> > > stop_at_phase_WDCS = .false. 
> > > How these switches are defined and where can I find their definitions? 
> > > 
> > > Thanks, 
> > > Wenyu 
> > > _______________________________________________
> > > mesa-users at lists.mesastar.org
> > > https://lists.mesastar.org/mailman/listinfo/mesa-users
> > > 
> </xinwenyu16 at mails.ucas.ac.cn></mesa-users at lists.mesastar.org></fxtimmes at gmail.com></xinwenyu16 at mails.ucas.ac.cn></fxtimmes at gmail.com>