Hi. I'm doing something similar. You can also read
Scannapieco et al., 2005/6 where they have implemented cooling in
dependence on the metallicity. Perhaps it also helps.
>
> Dear Marie,
>
> There is already a posting on the gadget list that may help :
>
> http://www.mpa-garching.mpg.de/galform/gadget/gadget-list/0147.html
> http://www.mpa-garching.mpg.de/galform/gadget/gadget-list/0148.html
>
> For the implementation of the cooling, you simply have to compute
> the Lambda function (cooling function) that is very clearly discribed in
> Katz et al. 96.
> You can also have a look at
> http://adsabs.harvard.edu/abs/2007MNRAS.379..963M
>
> Regards,
>
> yves
>
>
> Marie Schneider wrote:
>> Dear Gadget2-Users,
>>
>> I am a "Gadget2 beginner" and I have read in the paper (Springel 2005)
>> that
>> " Radiative cooling and heating by photoionization has been implemented
>> in GADGET-2 in a similar way as in Katz et al. (1996),
>> i.e. the ionization balance of helium and hydrogen is computed in
>> the presence of an externally speciï¬ed time-dependent ultraviolet
>> background under the assumption of collisional ionization equilib-
>> rium. Yoshida et al. (2003) recently added a network for the non-
>> equilibrium treatment of the primordial chemistry of nine species,
>> allowing cooling by molecular hydrogen to be properly followed."
>> .
>> but the cooling does not seem to be included in the publc released
>> version.
>> Where can one find more details about the cooling implementation? Thanks
>> a lot for your help.
>>
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>>
>>
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>
>
> --
> (o o)
> --------------------------------------------oOO--(_)--OOo-------
> Yves Revaz
> Laboratory of Astrophysics EPFL
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Received on 2008-07-29 15:12:57