[Users] adding inner refinement levels with Carpet
roland.haas at physics.gatech.edu
Wed Feb 22 08:31:33 CST 2017
> i was wondering whether there is a way to add inner refinement levels with CarpetRegrid2
> (or CarpetRegrid) as a simulation progresses.
> let's say that i have some configuration that collapses to a black hole, and i want to
> keep resolving accurately the inner region. is there some way for me to tell CarpetRegrid
> to add inner levels whenever a certain condition is fulfilled, ie, enough time elapses, or
> some grid quantity (like the lapse) grows beyond a certain value?
The easiest way is likely to use the Triggers thorn (in
http://einsteintoolkit.org/gallery/bns/nsnstohmns.par in http://einsteintoolkit.org/gallery/bns/index.html for an example when simulating neutron stars.
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