[Developers] Developers Digest, Vol 88, Issue 3

Eloisa Bentivegna bentivegna at cct.lsu.edu
Thu Sep 29 03:12:18 CDT 2011


On Sep 29, 2011, at 8:28 AM, Jian Tao wrote:

> On 09/28/2011 06:08 PM, Jose Fiestas Iquira wrote:
>> Dear all,
>> 
>> Thanks John for the kind introduction.
>> 
>> My first motivation is to implement full relativity in our Nbody
>> codes. Or the other way around ...
>> So far some Nbody codes contain Post-Newtonian formalisms, up to 2.
>> order, (known only for the 2-body problem). Better resolution and
>> accuracy could be achieved if we go from post-newtonian to full
>> relativity equations at some evolutionary point of time, by coupling
>> the nbody code with CACTUS. A typical example would be binary
>> coalescence (black holes, neutron stars or combinations)
> 
> I assume you meant using a Nboday code to study transport processes
> during the coalescences. There have been some interests to support
> particle methods in Cactus in a more generic way to study neutrino
> transport etc. Would you please describe a bit more about your
> current code ? It might be easier if you can point us to a
> similar method as shown in
> http://www.scholarpedia.org/article/N-body_simulations .

Hi Jose (and all),

I'm also curious about your application area. If your interest is in large-scale structure, I would like to exchange thoughts!

Eloisa


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