The Einstein Toolkit: a community computational infrastructure for relativistic astrophysics
Identifieur interne : 000542 ( Main/Exploration ); précédent : 000541; suivant : 000543The Einstein Toolkit: a community computational infrastructure for relativistic astrophysics
Auteurs : Frank Lffler [États-Unis] ; Joshua Faber [États-Unis] ; Eloisa Bentivegna [Allemagne] ; Tanja Bode [États-Unis] ; Peter Diener [États-Unis] ; Roland Haas [États-Unis] ; Ian Hinder [Allemagne] ; Bruno C. Mundim [États-Unis] ; Christian D. Ott [États-Unis, Japon] ; Erik Schnetter [États-Unis, Canada] ; Gabrielle Allen [États-Unis] ; Manuela Campanelli [États-Unis] ; Pablo Laguna [États-Unis]Source :
- Classical and Quantum Gravity [ 0264-9381 ] ; 2012-06-07.
Abstract
We describe the Einstein Toolkit, a community-driven, freely accessible computational infrastructure intended for use in numerical relativity, relativistic astrophysics, and other applications. The toolkit, developed by a collaboration involving researchers from multiple institutions around the world, combines a core set of components needed to simulate astrophysical objects such as black holes, compact objects, and collapsing stars, as well as a full suite of analysis tools. The Einstein Toolkit is currently based on the Cactus framework for high-performance computing and the Carpet adaptive mesh refinement driver. It implements spacetime evolution via the BSSN evolution system and general relativistic hydrodynamics in a finite-volume discretization. The toolkit is under continuous development and contains many new code components that have been publicly released for the first time and are described in this paper. We discuss the motivation behind the release of the toolkit, the philosophy underlying its development, and the goals of the project. A summary of the implemented numerical techniques is included, as are results of numerical test covering a variety of sample astrophysical problems.
Url:
DOI: 10.1088/0264-9381/29/11/115001
Affiliations:
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Ott</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Computation & Technology, Louisiana State University, Baton Rouge, LA</wicri:regionArea><placeName><region type="state">Louisiane</region></placeName></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>TAPIR, California Institute of Technology, Pasadena, CA</wicri:regionArea><placeName><region type="state">Californie</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Japon</country><wicri:regionArea>Institute for the Physics and Mathematics of the Universe, University of Tokyo, Kashiwa</wicri:regionArea><wicri:noRegion>Kashiwa</wicri:noRegion></affiliation></author><author><name sortKey="Schnetter, Erik" sort="Schnetter, Erik" uniqKey="Schnetter E" first="Erik" last="Schnetter">Erik Schnetter</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Computation & Technology, Louisiana State University, Baton Rouge, LA</wicri:regionArea><placeName><region type="state">Louisiane</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Perimeter Institute for Theoretical Physics, Waterloo, ON</wicri:regionArea><wicri:noRegion>ON</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Canada</country><wicri:regionArea>Department of Physics, University of Guelph, Guelph, ON</wicri:regionArea><wicri:noRegion>ON</wicri:noRegion></affiliation></author><author><name sortKey="Allen, Gabrielle" sort="Allen, Gabrielle" uniqKey="Allen G" first="Gabrielle" last="Allen">Gabrielle Allen</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Computation & Technology, Louisiana State University, Baton Rouge, LA</wicri:regionArea><placeName><region type="state">Louisiane</region></placeName></affiliation><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Computer Science, Louisiana State University, Baton Rouge, LA</wicri:regionArea><placeName><region type="state">Louisiane</region></placeName></affiliation><affiliation wicri:level="1"><country xml:lang="fr">États-Unis</country><wicri:regionArea>National Science Foundation</wicri:regionArea></affiliation></author><author><name sortKey="Campanelli, Manuela" sort="Campanelli, Manuela" uniqKey="Campanelli M" first="Manuela" last="Campanelli">Manuela Campanelli</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Computational Relativity and Gravitation, School of Mathematical Sciences, Rochester Institute of Technology, Rochester, NY</wicri:regionArea><placeName><region type="state">État de New York</region></placeName></affiliation></author><author><name sortKey="Laguna, Pablo" sort="Laguna, Pablo" uniqKey="Laguna P" first="Pablo" last="Laguna">Pablo Laguna</name><affiliation wicri:level="2"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Center for Relativistic Astrophysics, School of Physics, Georgia Institute of Technology, Atlanta, GA</wicri:regionArea><placeName><region type="state">Géorgie (États-Unis)</region></placeName></affiliation></author></analytic><monogr></monogr><series><title level="j">Classical and Quantum Gravity</title><idno type="ISSN">0264-9381</idno><idno type="eISSN">1361-6382</idno><imprint><publisher>IOP Publishing</publisher><date type="published" when="2012-06-07">2012-06-07</date><biblScope unit="volume">29</biblScope><biblScope unit="issue">11</biblScope></imprint><idno type="ISSN">0264-9381</idno></series><idno type="istex">E19560D8EBFF6757C2F54A0EEF4BEA4BF2D4B964</idno><idno type="DOI">10.1088/0264-9381/29/11/115001</idno><idno type="href">http://stacks.iop.org/CQG/29/115001</idno><idno type="ArticleID">cqg414767</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0264-9381</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">We describe the Einstein Toolkit, a community-driven, freely accessible computational infrastructure intended for use in numerical relativity, relativistic astrophysics, and other applications. The toolkit, developed by a collaboration involving researchers from multiple institutions around the world, combines a core set of components needed to simulate astrophysical objects such as black holes, compact objects, and collapsing stars, as well as a full suite of analysis tools. The Einstein Toolkit is currently based on the Cactus framework for high-performance computing and the Carpet adaptive mesh refinement driver. It implements spacetime evolution via the BSSN evolution system and general relativistic hydrodynamics in a finite-volume discretization. The toolkit is under continuous development and contains many new code components that have been publicly released for the first time and are described in this paper. We discuss the motivation behind the release of the toolkit, the philosophy underlying its development, and the goals of the project. A summary of the implemented numerical techniques is included, as are results of numerical test covering a variety of sample astrophysical problems.</div></front></TEI><affiliations><list><country><li>Allemagne</li><li>Canada</li><li>Japon</li><li>États-Unis</li></country><region><li>Californie</li><li>Géorgie (États-Unis)</li><li>Louisiane</li><li>État de New York</li></region></list><tree><country name="États-Unis"><region name="Louisiane"><name sortKey="Lffler, Frank" sort="Lffler, Frank" uniqKey="Lffler F" first="Frank" last="Lffler">Frank Lffler</name></region><name sortKey="Allen, Gabrielle" sort="Allen, Gabrielle" uniqKey="Allen G" first="Gabrielle" last="Allen">Gabrielle Allen</name><name sortKey="Allen, Gabrielle" sort="Allen, Gabrielle" uniqKey="Allen G" first="Gabrielle" last="Allen">Gabrielle Allen</name><name sortKey="Allen, Gabrielle" sort="Allen, Gabrielle" uniqKey="Allen G" first="Gabrielle" last="Allen">Gabrielle Allen</name><name sortKey="Bode, Tanja" sort="Bode, Tanja" uniqKey="Bode T" first="Tanja" last="Bode">Tanja Bode</name><name sortKey="Campanelli, Manuela" sort="Campanelli, Manuela" uniqKey="Campanelli M" first="Manuela" last="Campanelli">Manuela Campanelli</name><name sortKey="Diener, Peter" sort="Diener, Peter" uniqKey="Diener P" first="Peter" last="Diener">Peter Diener</name><name sortKey="Faber, Joshua" sort="Faber, Joshua" uniqKey="Faber J" first="Joshua" last="Faber">Joshua Faber</name><name sortKey="Haas, Roland" sort="Haas, Roland" uniqKey="Haas R" first="Roland" last="Haas">Roland Haas</name><name sortKey="Haas, Roland" sort="Haas, Roland" uniqKey="Haas R" first="Roland" last="Haas">Roland Haas</name><name sortKey="Laguna, Pablo" sort="Laguna, Pablo" uniqKey="Laguna P" first="Pablo" last="Laguna">Pablo Laguna</name><name sortKey="Lffler, Frank" sort="Lffler, Frank" uniqKey="Lffler F" first="Frank" last="Lffler">Frank Lffler</name><name sortKey="Mundim, Bruno C" sort="Mundim, Bruno C" uniqKey="Mundim B" first="Bruno C" last="Mundim">Bruno C. Mundim</name><name sortKey="Ott, Christian D" sort="Ott, Christian D" uniqKey="Ott C" first="Christian D" last="Ott">Christian D. Ott</name><name sortKey="Ott, Christian D" sort="Ott, Christian D" uniqKey="Ott C" first="Christian D" last="Ott">Christian D. Ott</name><name sortKey="Schnetter, Erik" sort="Schnetter, Erik" uniqKey="Schnetter E" first="Erik" last="Schnetter">Erik Schnetter</name></country><country name="Allemagne"><noRegion><name sortKey="Bentivegna, Eloisa" sort="Bentivegna, Eloisa" uniqKey="Bentivegna E" first="Eloisa" last="Bentivegna">Eloisa Bentivegna</name></noRegion><name sortKey="Hinder, Ian" sort="Hinder, Ian" uniqKey="Hinder I" first="Ian" last="Hinder">Ian Hinder</name></country><country name="Japon"><noRegion><name sortKey="Ott, Christian D" sort="Ott, Christian D" uniqKey="Ott C" first="Christian D" last="Ott">Christian D. Ott</name></noRegion></country><country name="Canada"><noRegion><name sortKey="Schnetter, Erik" sort="Schnetter, Erik" uniqKey="Schnetter E" first="Erik" last="Schnetter">Erik Schnetter</name></noRegion><name sortKey="Schnetter, Erik" sort="Schnetter, Erik" uniqKey="Schnetter E" first="Erik" last="Schnetter">Erik Schnetter</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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