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ID: 475377.0, MPI für Gravitationsphysik / Astrophysical Relativity
Towards a gauge-polyvalent Numerical Relativity code
Authors:Alic, Daniela; Bona, Carles; Bona-Casas, Carles
Date of Publication (YYYY-MM-DD):2009
Title of Journal:Physical Review D
Volume:79
Sequence Number of Article:044026
Review Status:not specified
Audience:Not Specified
Abstract / Description:The gauge polyvalence of a new numerical code is tested, both in harmonic-coordinate simulations (gauge-waves testbed) and in singularity-avoiding coordinates (simple Black-Hole simulations, either with or without shift). The code is built upon an adjusted first-order flux-conservative version of the Z4 formalism and a recently proposed family of robust finite-difference high-resolution algorithms. An outstanding result is the long-term evolution (up to 1000M) of a Black-Hole in normal coordinates (zero shift) without excision.
External Publication Status:published
Document Type:Article
Communicated by:Bernhard F. Schutz
Affiliations:MPI für Gravitationsphysik/Astrophysical Relativity
Identifiers:LOCALID:arXiv:0811.1691
DOI:10.1103/PhysRevD.79.044026
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