Reducing phase error in long numerical binary black hole evolutions with sixth-order finite differencing

Husa, Sascha, González, José A., Hannam, Mark ORCID: https://orcid.org/0000-0001-5571-325X, Brügmann, Bernd and Sperhake, Ulrich 2008. Reducing phase error in long numerical binary black hole evolutions with sixth-order finite differencing. Classical and Quantum Gravity 25 (10) , 105006. 10.1088/0264-9381/25/10/105006

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Abstract

We describe a modification of a fourth-order accurate 'moving-puncture' evolution code, where by replacing spatial fourth-order accurate differencing operators in the bulk of the grid by a specific choice of sixth-order accurate stencils we gain significant improvements in accuracy. We illustrate the performance of the modified algorithm with an equal-mass simulation covering nine orbits.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Publisher:	IOPscience
ISSN:	0264-9381
Last Modified:	20 Oct 2022 08:14
URI:	https://orca.cardiff.ac.uk/id/eprint/27659

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