For cosmological simulations, you need to have an understanding of
perturbation theory (this is very different than setting up ICs that
follow some density profile, e.g. Plummer).
Another reference for cosmological ICs:
http://adsabs.harvard.edu/abs/2005ApJ...634..728S
And the canonical (and excellent) review article discussing PT, and
many related topics to tie it together:
http://adsabs.harvard.edu/abs/2002PhR...367....1B
Cameron
On Wed, Jun 27, 2012 at 7:48 AM, brunetto <brunetto.ziosi_at_gmail.com> wrote:
>
> thank you all for your suggestions!!
> I'm going to check all of them!!
> I did not specified I'm working on cosmological simulations, but
> as I can see your suggestions are very useful indeed!
>
>
> On 27 June 2012 12:47, William Alexander Watson <W.Watson_at_sussex.ac.uk> wrote:
>> Hi all,
>>
>> This paper is very informative on the topic of IC generation for
>> cosmological simulations:
>>
>> arxiv.org/pdf/astro-ph/0506540
>>
>> Will
>>
>>
>> On 27/06/2012 11:34, Enders wrote:
>>
>>
>> You can take a look at "Nemo - Stellar Toolbox". It has lots of IC
>> generators, basically
>> any program that starts with "mk" like "mkplummer". They might be easy
>> enough to understand.
>>
>> The closest to a tutorial I have seen is this:
>> http://www.artcompsci.org/kali/vol/plummer/title.html#TOC
>>
>>
>> Hi all!
>> I'm quite new to Gadget and new to the list, so please excuse me if I
>> ask silly questions.
>> I'm trying to work with Gadget and ICs generators for my PhD project,
>> but I can't find any reference on
>> how they work in practice.
>>
>> I've read a lot of papers on the theory, on the refinement of the
>> algorithms, but
>> nothing about "how to write down a simple ICs generator" for example,
>> or how to implement
>> that theory.
>> Something like ICs generator tutorial o ICs for dummies!
>>
>> I've also tried to read the sources of N-GenIC, 2LPTic, grafic,
>> mpcgrafic and cosmics,
>> but I am not able to understand the essentials.
>>
>> Can you suggest me at least a starting point to understand
>> the implementation of the algorithms for IC generation?
>>
>> Thanks!
>>
>>
>>
>>
>>
>>
>>
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>>
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>>
>
>
>
> --
> Brunetto Ziosi
>
> PhD Student in Astronomy
> homepage: http://www.brunettoziosi.eu
> Department of Physics and Astronomy
> University of Padova
> Vicolo dell'Osservatorio 3
> 35122 Padova
>
>
>
>
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>
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Received on 2012-06-27 13:56:46