[Mesa-users] bad dq error

[Jeremy Sakstein]

Thanks Pablo,

Yes, I am working with all the recommended values in the inlist. The
mesh_delta_coeff method seems to be working and gives consistent results.

Cheers,

Jeremy

On Fri, Jul 10, 2020 at 11:58 AM Pablo Marchant <pamarca at gmail.com> wrote:

> If you see the inlists for the test case there are several recommendations
> on modified values. The test case is designed to run in a reasonable time,
> so it cuts corners with spatial and temporal resolution. These are still
> tricky simulations though, so don't be surprised if some cases refuse to
> work. In such instances slight variations to the initial conditions might
> help you pass through a difficult phase, although that's a non-ideal option.
>
> Cheers
>
> On Fri, Jul 10, 2020 at 4:36 PM Jeremy Sakstein <sakstein at hawaii.edu>
> wrote:
>
>> Quick follow up question,
>>
>> Sometimes with the PPISN test_suite case I find that the code terminates
>> due to a min_timestep_limit (this is with plain gcrav off). My solution to
>> this has been to change mesh_delta_coeff and that usually fixes the
>> problem. Do you have any other recommendations to try?
>>
>> Cheers,
>>
>> Jeremy
>>
>> On Fri, Jul 10, 2020 at 10:34 AM Jeremy Sakstein <sakstein at hawaii.edu>
>> wrote:
>>
>>> Great, thank you so much!
>>>
>>> On Fri, Jul 10, 2020 at 10:32 AM Josiah Schwab <jwschwab at ucsc.edu>
>>> wrote:
>>>
>>>> Thanks Josiah, I am actually setting standard_cgrav =
>>>>> 1.03*standard_cgrav in extras_controls since other_cgrav seems to cause
>>>>> problems later on.
>>>>>
>>>>
>>>> Ok, then you can safely ignore my speculation.  Glad the tweaked Tc
>>>> worked.  The memory of the initial Tc should be erased by the time you get
>>>> to the MS.  The value of pre_ms_T_c isn't particularly physically
>>>> meaningful, so there shouldn't be any issue with bumping it up/down a bit.
>>>>
>>>> Josiah
>>>>
>>>
>
> --
> Pablo Marchant Campos
> M.Sc on Astrophysics, Universidad Católica de Chile
> PhD on Astrophysics, Argelander-Institut für Astronomie, Universität Bonn
>
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