Gravitational Wave Extraction and Outer Boundary Conditions by Perturbative Matching

Creators: Abrahams, A. M.; Rezzolla, L.; Rupright, M. E.; Anderson, A.; Anninos, P.; Baumgarte, T. W.; Bishop, N. T.; Brandt, S. R.; Browne, J. C.; Camarda, K.; Choptuik, M. W.; Cook, G. B.; Correll, R. R.; Evans, C. R.; Finn, L. S.; Fox, G. C.; Gómez, R.; Haupt, T.; Huq, M. F.; Kidder, L. E.; Klasky, S. A.; Laguna, P.; Landry, W.; Lehner, L.; Lenaghan, J.; Marsa, R. L.; Masso, J.; Matzner, R. A.; Mitra, S.; Papadopoulos, P.; Parashar, M.; Saied, F.; Saylor, P. E.; Scheel, M. A.; Seidel, E.; Shapiro, S. L.; Shoemaker, D.; Smarr, L.; Szilágyi, B.; Teukolsky, S. A.; van Putten, M. H. P. M.; Walker, P.; Winicour, J.; York, J. W.

Abstract

We present a method for extracting gravitational radiation from a three-dimensional numerical relativity simulation and, using the extracted data, to provide outer boundary conditions. The method treats dynamical gravitational variables as nonspherical perturbations of Schwarzschild geometry. We discuss a code which implements this method and present results of tests which have been performed with a three-dimensional numerical relativity code.

Additional Information

© 1998 The American Physical Society. Received 29 September 1997. This work was supported by the NSF Binary Black Hole Grand Challenge Grants No. NSF PHY 93-18152, No. NSF PHY 93-10083, and No. ASC 93-18152 (ARPA supplemented). Computations were performed at NPAC (Syracuse University) and at NCSA (University of Illinois at Urbana-Champaign).

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Published - PhysRevLett.80.1812.pdf

Submitted - 9709082.pdf

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