Re: cooling

From: Marie Schneider <NGC001_at_gmx.de>
Date: Mon, 28 Jul 2008 12:12:02 +0200

Ok, thanks a lot. I'll try it. :-D




-------- Original-Nachricht --------
> Datum: Mon, 28 Jul 2008 08:38:23 +0200
> Von: Yves Revaz <yves.revaz_at_epfl.ch>
> An: Gadget General Discussion <gadget-list_at_MPA-Garching.MPG.DE>
> Betreff: Re: [gadget-list] cooling

>
> 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 specified 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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> (o o)
> --------------------------------------------oOO--(_)--OOo-------
> Yves Revaz
> Laboratory of Astrophysics EPFL
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Received on 2008-07-28 12:12:02

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