[Mesa-users] How to stop calculating the primary evolution details?

[Jelena Petrović]

Hallo,

The code stops because of too small timestep, since the primary finished 
all burning (please see below).
There is no message that final model is saved.

-------------------------------------------------------
stopping because of problems dt < min_timestep_limit

bin 5720474  49.066861  66.750227   9.022041  0.000E+00   2.104411       
    0          1 -6.505E-02   0.100000  3.708E+54 -2.215E+47 -1.387E+37
  -13.449934  15.805531  21.139507   0.000000  0.000E+00 253.841225  
21.139524 -8.069E-07 -2.163E+02  1.000E+99  0.000E+00 -1.270E+35  
0.000E+00
  9.2263E-02  33.261330   9.637786   0.000000 -1.494E+49 120.623422  
29.672872 -6.752E-01  2.163E+01  0.000E+00  0.000E+00 -2.215E+47         
  0


terminated evolution: cannot find acceptable model

termination code: min_timestep_limit

terminated evolution: cannot find acceptable model

termination code: min_timestep_limit
DATE: 2020-05-02
TIME: 21:56:31ing because of problems dt < min_timestep_limit

bin 5720474  49.066861  66.750227   9.022041  0.000E+00   2.104411       
    0          1 -6.505E-02   0.100000  3.708E+54 -2.215E+47 -1.387E+37
  -13.449934  15.805531  21.139507   0.000000  0.000E+00 253.841225  
21.139524 -8.069E-07 -2.163E+02  1.000E+99  0.000E+00 -1.270E+35  
0.000E+00
  9.2263E-02  33.261330   9.637786   0.000000 -1.494E+49 120.623422  
29.672872 -6.752E-01  2.163E+01  0.000E+00  0.000E+00 -2.215E+47         
  0


terminated evolution: cannot find acceptable model

termination code: min_timestep_limit

terminated evolution: cannot find acceptable model

termination code: min_timestep_limit
DATE: 2020-05-02
TIME: 21:56:31
-------------------------------------------------------

Jelena

On 12.05.2020 12:02, Rob Farmer wrote:
> Please keep replies on the mailing list.
> 
> That should be sufficient as long as the run terminates normally. How
> are you stopping your run? Are you using an option in
> http://mesa.sourceforge.net/controls_defaults.html#when_to_stop? or
> modifying your run_star_extras/run_binary_extras to stop the run? or
> ctrl-c the run? or does the model crash?
> 
> The terminal output at the end of the run should include a line with
> your chosen save_model_filename to show that it has saved a file. Does
> the output state it has?
> 
> Rob
> 
> On Tue, 12 May 2020 at 11:43, Jelena Petrović <jpetrovic at aob.rs>
> wrote:
> 
>> Hallo Rob,
>> 
>> I apologize for a basic question about saving models, but I have in
>> inlist 2 this:
>> 
>> save_model_when_terminate = .true.
>> save_model_filename = '56+33-sec.mod'
>> 
>> but I am not managing to find the saved model file after the run is
>> finished..
>> Do I need to add something more in inlist files?
>> 
>> Many thanks,
>> Jelena
>> 
>> On 11.05.2020 14:18, Rob Farmer wrote:
>>> Hi,
>>> 
>>> A simple option would be to have the secondary write out a mod
>> file at
>>> the point where you stop.Then that mod file can then be loaded in
>> a
>>> single star run (copying over the inlists used for the secondary)
>> or
>>> if you still want the point particle secondary then have the
>> inlist1
>>> load that mod file (and set the secondary inlist appropriately).
>> Thus
>>> do what you tried but instead of using a photo use a saved mod
>> file.
>>> 
>>> Rob
>>> 
>>> On Thu, 7 May 2020 at 22:18, Jelena Petrović <jpetrovic at aob.rs>
>>> wrote:
>>> 
>>>> Dear all,
>>>> 
>>>> I have calculated evolution of a massive binary to the point that
>>>> the
>>>> primary finished carbon core burning and the secondary is still a
>>>> main
>>>> sequence star.
>>>> I need to now stop calculating the primary evolution details and
>>>> treat
>>>> it further as a point star, but I am not managing to set this
>>>> properly.
>>>> 
>>>> If I try 'evolve both stars = .false', the evolution of the
>>>> secondary is
>>>> not calculated. If I swap inlist1 and inlist2 definitions in
>>>> inlist_project, the code crashes immediately
>>>> after I restart with ./re <x...>
>>>> 
>>>> Is there a way to stop calculating the primary evolution details
>> and
>>>> 
>>>> follow further only the secondary evolution?
>>>> 
>>>> Many thanks,
>>>> Jelena
>>>> 
>>>> -------------------------------
>>>> Dr. Jelena Petrovic
>>>> Associate Research Professor
>>>> Astronomical Observatory
>>>> Belgrade, Serbia
>>>> -------------------------------
>>>> _______________________________________________
>>>> mesa-users at lists.mesastar.org
>>>> 
>>> 
>> 
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