[Mesa-users] Li depletion due to thermohaline mixing

[Debasish Dutta]

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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