[Carpet] "proper nesting" in the presence of symmetries

[Jonathan Thornburg]

Hi, Erik,

On Fri, 16 Jun 2006, Erik Schnetter wrote:
> You don't need to specify the number of integrator substeps unless you use
> outer buffer zones.  When you use outer buffer zones, then you must not also
> set buffer_width, because both mechnisms add to each other.  I generally
> suggest using outer buffer zones, because they lead to much less surprise with
> respect to the locations of the fine grids.  For example, [[...]]

Thanks, this clarifies things a lot!

ciao,

-- 
-- Jonathan Thornburg <jthorn at aei.mpg.de>      
   Max-Planck-Institut fuer Gravitationsphysik (Albert-Einstein-Institut),
   Golm, Germany, "Old Europe"     http://www.aei.mpg.de/~jthorn/home.html      
   "Washing one's hands of the conflict between the powerful and the
    powerless means to side with the powerful, not to be neutral."
                                      -- quote by Freire / poster by Oxfam