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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Representation of dynamical black hole spacetimes in numerical simulations
 Khirnov, Anton ; Ledvinka, Tomáš (advisor) ; Hilditch, David (referee) ; Liebling, Steven L. (referee)
Choptuik's unexpected discovery, almost 30 years ago, of critical behavior in grav- itational collapse opened a whole new research area within numerical relativity. While critical collapse in spherical symmetry has been thoroughly investigated and is reasonably well understood, progress for axial symmetry has been much slower. In this thesis, we study axially symmetric gravitational collapse of gravi- tational waves using numerical simulations. We construct several very different initial data families and investigate their behavior close to the threshold of collapse. We compare them against each other and also against other published results. We use invariant quantities to look for signs of self-similarity and universality.
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