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Testing excision techniques for dynamical 3D black hole evolutions
Miguel Alcubierre, Bernd Bruegmann, Peter Diener +4
We perform both distorted black hole evolutions and binary black hole head on collisions and compare the results of using a full grid to results obtained by excising the black hole…
Numerical Relativity As A Tool For Computational Astrophysics
Edward Seidel, Wai-Mo Suen
The astrophysics of compact objects, which requires Einstein's theory of general relativity for understanding phenomena such as black holes and neutron stars, is attracting increas…
The Synergy between Numerical and Perturbative Approaches to Black Holes
Edward Seidel
I describe approaches to the study of black hole spacetimes via numerical relativity. After a brief review of the basic formalisms and techniques used in numerical black hole simul…
Black Hole Spectroscopy: Determining Waveforms from 3D Excited Black Holes
Gabrielle Allen, Karen Camarda, Edward Seidel
We present the first results for Cauchy nonlinear evolution of 3D, nonaxisymmetric distorted black holes. We focus on the extraction and verification of 3D waveforms determined by…
Evolution of Distorted Black Holes: A Perturbative Approach
Gabrielle Allen, Karen Camarda, Edward Seidel
We consider a series of distorted black hole initial data sets, and develop techniques to evolve them using the linearized equations of motion for the gravitational wave perturbati…
Three Dimensional Numerical Relativity with a Hyperbolic Formulation
Carles Bona, Joan Masso, Edward Seidel +1
We discuss a successful three-dimensional cartesian implementation of the Bona-Massó hyperbolic formulation of the 3+1 Einstein evolution equations in numerical relativity. The num…