New orthogonal body-fitting coordinates for colliding black hole spacetimes

Brandt, Steven; Walker, Paul; Anninos, Peter

doi:10.1103/PhysRevD.57.6158

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New orthogonal body-fitting coordinates for colliding black hole spacetimes

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Brandt, Steven
Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Phy.Rev.D.57.10.pdf
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gr-qc-9711018.pdf
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Brandt, S., Walker, P., & Anninos, P. (1998). New orthogonal body-fitting coordinates for colliding black hole spacetimes. Physical Review D, 57(10), 6158-6167. doi:10.1103/PhysRevD.57.6158.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-5A3A-B

Abstract

We describe a numerical grid generating procedure to construct new classes of orthogonal coordinate systems that are specially adapted to binary black hole spacetimes. The new coordinates offer an alternative approach to the conventional \v{C}ade\v{z} coordinates, in addition to providing a potentially more stable and flexible platform to extend previous calculations of binary black hole collisions.