[Mesa-users] Li depletion due to thermohaline mixing

[Debasish Dutta]

Thank you very much for your help. I was able to get the plots.

Regards,
Debasish

On Fri, 18 Nov 2022 at 00:22, Debasish Dutta <debasishdutta1707 at gmail.com>
wrote:

> I am trying to get a qualitative comparison with Schwab 2020.  My initial
> conditions are a bit different than Schwab has used. The A(Li) I have
> plotted is the astronomical scale for logarithmic abundances.
>
> Thanks,
> Debasish
>
> On Fri, 18 Nov 2022 at 00:13, Matteo Cantiello <matteo.cantiello at gmail.com>
> wrote:
>
>> If you want to reproduce/compare  Fig.1 from Schwab 2020, first you might
>> want to plot the same quantities. Are you plotting A(Li) on the x-axis
>> (astronomical scale for logarithmic abundances)?
>>
>>
>>
>> --
>> Matteo Cantiello - https://www.stellarphysics.org/
>> Research Scientist,  CCA, Flatiron Institute
>> Visiting Associate Researcher, Princeton University
>>
>> Sent via Superhuman <https://sprh.mn/?vip=matteo.cantiello@gmail.com>
>>
>>
>> On Thu, Nov 17, 2022 at 10:17 AM, Debasish Dutta <
>> debasishdutta1707 at gmail.com> wrote:
>>
>>> Sir,
>>> I am getting a plot like this
>>>
>>>
>>> I am expecting something like this: (from a paper by Josiah Schwab)
>>>
>>>
>>> As can be seen, there are two Li dilution episodes, whereas I am unable
>>> to get the second dip, after invoking thermohaline mixing. I would be
>>> thankful if you could suggest where I am going wrong.
>>>
>>> Thanks,
>>> Debasish
>>>
>>> On Thu, 17 Nov 2022 at 23:03, Matteo Cantiello <
>>> matteo.cantiello at gmail.com> wrote:
>>>
>>>> It would be useful to show a plot of what you are seeing (e.g. Surface
>>>> Lithium as function of stellar luminosity) and explain a bit better why
>>>> this is not matching your expectations. That way it will be easier to give
>>>> you suggestions on how to move forward.
>>>> Cheers,
>>>>
>>>> Matteo
>>>>
>>>>
>>>> --
>>>> Matteo Cantiello - https://www.stellarphysics.org/
>>>> Research Scientist,  CCA, Flatiron Institute
>>>> Visiting Associate Researcher, Princeton University
>>>>
>>>> Sent via Superhuman <https://sprh.mn/?vip=matteo.cantiello@gmail.com>
>>>>
>>>>
>>>> On Thu, Nov 17, 2022 at 7:54 AM, Debasish Dutta <
>>>> mesa-users at lists.mesastar.org> wrote:
>>>>
>>>>> Hi,
>>>>> I am fairly new to MESA and I am trying to see the surface Li
>>>>> depletion in the RGB phase in low mass stars due to thermohaline mixing. I
>>>>> used the 1M_pre_ms_to_wd test suite and accordingly made the
>>>>> necessary changes to incorporate thermohaline mixing. However, I am not
>>>>> getting the desired result. I could see some further depletion, but it
>>>>> occurs as an overall depletion and not in stages (like first due to the FDU
>>>>> and then due to thermohaline mixing; I should have seen Li depletion in two
>>>>> stages).  I have attached my inslists.
>>>>>
>>>>> Thanks and regards
>>>>> Debasish
>>>>>
>>>>> _______________________________________________
>>>>> mesa-users at lists.mesastar.org
>>>>> https://lists.mesastar.org/mailman/listinfo/mesa-users
>>>>>
>>>>
>>
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