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  Toward standard testbeds for numerical relativity

Alcubierre, M., Allen, G., Bona, C., Fiske, D. R., Goodale, T., Guzman, F. S., et al. (2004). Toward standard testbeds for numerical relativity. Classical and Quantum Gravity, 21(2), 589-613.

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Datensatz-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-50A6-B Versions-Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-50A9-5
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Alcubierre, Miguel1, Autor
Allen, Gabrielle2, Autor
Bona, Carles1, Autor
Fiske, David R.1, Autor
Goodale, Tom2, Autor
Guzman, F. Siddhartha2, Autor
Hawke, Ian1, Autor
Hawley, Scott H.1, Autor
Husa, Sascha2, Autor              
Koppitz, Michael2, Autor              
Lechner, Christiane2, Autor
Pollney, Denis2, Autor              
Rideout, David2, Autor
Salgado, Marcelo1, Autor
Schnetter, Erik1, Autor
Seidel, Edward2, Autor
Shinkai, Hisa-aki1, Autor
Shoemaker, Deirdre1, Autor
Szilagyi, Bela2, Autor              
Takahashi, Ryoji1, Autor
Winicour, Jeffrey2, Autor mehr..
Affiliations:
1External Organizations, , , escidoc:persistent22              
2Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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 Zusammenfassung: In recent years, many different numerical evolution schemes for Einstein's equations have been proposed to address stability and accuracy problems that have plagued the numerical relativity community for decades. Some of these approaches have been tested on different spacetimes, and conclusions have been drawn based on these tests. However, differences in results originate from many sources, including not only formulations of the equations, but also gauges, boundary conditions, numerical methods and so on. We propose to build up a suite of standardized testbeds for comparing approaches to the numerical evolution of Einstein's equations that are designed to both probe their strengths and weaknesses and to separate out different effects, and their causes, seen in the results. We discuss general design principles of suitable testbeds, and we present an initial round of simple tests with periodic boundary conditions. This is a pivotal first step towards building a suite of testbeds to serve the numerical relativists and researchers from related fields who wish to assess the capabilities of numerical relativity codes. We present some examples of how these tests can be quite effective in revealing various limitations of different approaches, and illustrating their differences. The tests are presently limited to vacuum spacetimes, can be run on modest computational resources and can be used with many different approaches used in the relativity community.

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Sprache(n): eng - Englisch
 Datum: 2004
 Publikationsstatus: Im Druck publiziert
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 Ort, Verlag, Ausgabe: -
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 Identifikatoren: eDoc: 51035
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Titel: Classical and Quantum Gravity
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: -
Seiten: - Band / Heft: 21 (2) Artikelnummer: - Start- / Endseite: 589 - 613 Identifikator: -