[Mesa-users] Question about scaling carbon rates

[Jeremy Sakstein]

Thanks Rob,

I also tried 'r1212' after I sent the email and this also did not produce
the message at the start of the run

Is this because approx21 is not turned on until later?

Cheers,

Jeremy

On Thu, Jul 28, 2022 at 10:18 PM Rob Farmer <robert.j.farmer37 at gmail.com>
wrote:

> Hi
> Which rate you need depends on your choice of nuclear network. Use
> show_net_reactions_info = .true. in star_job to see the full detailed list.
>
> I'm guessing you are using an approx net? in which case you want r1212
>
> > rates/private/rates_names.f90
>
> I'm glad you're looking into the code, unfortunately many rates aren't
> listed in the code explicitly as they get generated at runtime so you'll
> need to use show_net_reactions_info. Only reactions that need some sort of
> special handling are listed in the code.
>
> Rob
>
>
> On Fri, 29 Jul 2022 at 03:11, Jeremy Sakstein <sakstein at hawaii.edu> wrote:
>
>> Hi everyone,
>>
>> I would like to scale the C12_C12 reactions i.e., the carbon burning
>> processes but can't seem to find the correct rate.
>>
>> I tried r_c12_c12 and didn't get the notification in the terminal output.
>> Same thing with rc12c12.
>>
>> It occurred to me that I may have to scale each rate individually so I
>> looked through rates/private/rates_names.f90 (I'm using version 15140) and
>> found two of the reactions so now I have:
>>
>>     num_special_rate_factors=2
>>     reaction_for_special_factor(1)='r_c12_c12_to_h1_na23'
>>     special_rate_factor(1)=1d-10
>>     reaction_for_special_factor(2)='r_c12_c12_to_he4_ne20'
>>     special_rate_factor(2)=1d-10
>>
>> in my inlist but this still does not give the message saying that a
>> special rate is being used.
>>
>> Is someone able to tell me the correct rates to scale to turn off C
>> burning?
>>
>> Cheers,
>>
>> Jeremy
>>
>>
>>
>>
>> --
>> Jeremy Sakstein (He/Him/His)
>> Assistant Professor of Theoretical Physics
>> Department of Physics & Astronomy
>> University of Hawaiʻi at Mānoa
>> Watanabe Hall
>> 2505 Correa Road
>> Honolulu, HI, 96822, USA
>> http://www.jeremysakstein.com
>> _______________________________________________
>> mesa-users at lists.mesastar.org
>> https://lists.mesastar.org/mailman/listinfo/mesa-users
>>
>>

-- 
Jeremy Sakstein (He/Him/His)
Assistant Professor of Theoretical Physics
Department of Physics & Astronomy
University of Hawaiʻi at Mānoa
Watanabe Hall
2505 Correa Road
Honolulu, HI, 96822, USA
http://www.jeremysakstein.com
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