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pro vyhledávání: '"Fiske, David R."'
Autor:
Fiske, David R.
Thesis (Ph. D.) -- University of Maryland, College Park, 2004.
Thesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Thesis research directed by: Physics. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Externí odkaz:
http://hdl.handle.net/1903/1805
Publikováno v:
Phys.Rev.D74:064003,2006
We study the numerical propagation of waves through future null infinity in a conformally compactified spacetime. We introduce an artificial cosmological constant, which allows us some control over the causal structure near null infinity. We exploit
Externí odkaz:
http://arxiv.org/abs/gr-qc/0603034
Publikováno v:
Phys.Rev. D71 (2005) 104036
We present convergent gravitational waveforms extracted from three-dimensional, numerical simulations in the wave zone and with causally disconnected boundaries. These waveforms last for multiple periods and are very accurate, showing a peak error to
Externí odkaz:
http://arxiv.org/abs/gr-qc/0503100
Autor:
Fiske, David R.
Publikováno v:
Class.Quant.Grav. 23 (2006) 5951-5960
Computing spherical harmonic decompositions is a ubiquitous technique that arises in a wide variety of disciplines and a large number of scientific codes. Because spherical harmonics are defined by integrals over spheres, however, one must perform so
Externí odkaz:
http://arxiv.org/abs/gr-qc/0412047
Autor:
Imbiriba, Breno, Baker, John, Choi, Dae-Il, Centrella, Joan, Fiske, David R., Brown, J. David, van Meter, James R., Olson, Kevin
Publikováno v:
Phys.Rev. D70 (2004) 124025
We present an algorithm for treating mesh refinement interfaces in numerical relativity. We detail the behavior of the solution near such interfaces located in the strong field regions of dynamical black hole spacetimes, with particular attention to
Externí odkaz:
http://arxiv.org/abs/gr-qc/0403048
Autor:
Fiske, David R.
Publikováno v:
Phys.Rev. D69 (2004) 047501
There is an abundance of empirical evidence in the numerical relativity literature that the form in which the Einstein evolution equations are written plays a significant role in the lifetime of numerical simulations. This paper attempts to present a
Externí odkaz:
http://arxiv.org/abs/gr-qc/0304024
Publikováno v:
Gravitation & Astrophysics: on the Occasion of the 90th Year of General Relativity - Proceedings of the Vii Asia-Pacific International Conference; 2006, p31-44, 14p
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