[Users] help to run ADM

[Erik Schnetter]

On Mar 10, 2008, at 03:31:11, <hosseinf at guilan.ac.ir> <hosseinf at guilan.ac.ir 
 > wrote:
> Dear Sir
>
> I would like to run ADM after I already done some simple examples like
> wavetoy.
> I have problem with ThornList. Would you please send us the proper
> stable Thorn for this application.

Hossein,

the Cactus web site contains some tutorials.  These give a basic  
introduction for downloading, installing, and building Cactus, and for  
running a scalar wave example.  The standard distribution of Cactus  
come also with some basic numerical relativity thorns, namely the  
CactusEinstein arrangement.

Evolving the Einstein (ADM) equations is more complex since the  
underlying physics is much more complicated.  You may be able to get  
started by looking at some of the example parameter files that come  
with the CactusEinstein arrangement.  I would suggest to contact one  
of the numerical relativity groups who use Cactus if you are  
interested in research using the Einstein equations.

If you have a particular problem downloading or compiling, we can  
probably help you if you give us details about what you are trying to  
do and what the problems or error messages are.

Good luck,
-erik

-- 
Erik Schnetter <schnetter at cct.lsu.edu>   http://www.cct.lsu.edu/~eschnett/

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