[yt-users] Turbulent cascade

[Stephen Skory]

Libby,

> > I would like to analyse turbulence in ENZO by comparing velocity difference at 
> different scales. To do this I would like to calculate the velocity difference 
> between each cell and cells a set distance bracket away, square, sum over all 
> cells, and square root to get a turbulent velocity at that length scale. I would 
> the like to do that for many different length scales to form a graph of 
> turbulent velocity against length scale.

This actually shouldn't be too difficult using a kdtree... I'll explain more in a bit, I'm going to take a quick whack at sketching something up...
 _______________________________________________________
sskory at physics.ucsd.edu           o__  Stephen Skory
http://physics.ucsd.edu/~sskory/ _.>/ _Graduate Student
________________________________(_)_\(_)_______________