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Phys. Rev. D 62, 084039 (2000) [4 pages]

Three-dimensional adaptive evolution of gravitational waves in numerical relativity

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Kimberly C. B. New1,2, Dae-Il Choi1, Joan M. Centrella1, Peter MacNeice1,3, Mijan F. Huq4, and Kevin Olson5
1Department of Physics, Drexel University, Philadelphia, Pennsylvania 19104
2X-2, MS B-220, Los Alamos National Laboratory, Los Alamos, New Mexico 87545
3Code 931, NASA/GSFC, Greenbelt, Maryland 20771
4Department of Astronomy & Astrophysics, and Center for Gravitational Physics & Geometry, The Pennsylvania State University, University Park, Pennsylvania 16802
5Enrico Fermi Institute, University of Chicago, Chicago, Illinois 60637

Received 3 March 2000; published 27 September 2000

Adaptive techniques are crucial for successful numerical modeling of gravitational waves from astrophysical sources such as coalescing compact binaries, since the radiation typically has wavelengths much larger than the scale of the sources. We have carried out an important step toward this goal: the evolution of weak gravitational waves using adaptive mesh refinement in the Einstein equations. The 2-level adaptive simulation is compared with unigrid runs at coarse and fine resolution, and is shown to track closely the features of the fine grid run.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.62.084039
DOI:
10.1103/PhysRevD.62.084039
PACS:
04.25.Dm, 04.30.Nk