Implementation of Absorbing Boundary Conditions for the Einstein Equations

Implementation of Absorbing Boundary Conditions for the Einstein Equations

Based on a recent study of the linearized Bianchi equations by Buchman and Sarbach, we construct and implement a hierarchy of absorbing boundary conditions for the Einstein equations in generalized harmonic gauge. As a test problem, we demonstrate that we can evolve multipolar gravitational waves wi...

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Veröffentlicht in:AIP conference proceedings 2008-09, Vol.1122, p.384-387
Hauptverfasser: Rinne, Oliver, Buchman, Luisa T, Scheel, Mark A, Pfeiffer, Harald P
Format: Artikel
Sprache:eng
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Zusammenfassung:Based on a recent study of the linearized Bianchi equations by Buchman and Sarbach, we construct and implement a hierarchy of absorbing boundary conditions for the Einstein equations in generalized harmonic gauge. As a test problem, we demonstrate that we can evolve multipolar gravitational waves without any spurious reflections at linear order in perturbation theory.
ISSN:0094-243X