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Combining cauchy and characteristic codes. V. cauchy-characteristic matching for a spherical spacetime containing a perfect fluid

Dubal, Mark R., d’Inverno, Ray A. and Vickers, James A. (1998) Combining cauchy and characteristic codes. V. cauchy-characteristic matching for a spherical spacetime containing a perfect fluid Physical Review D, 58, (4), 044019-044019.

Record type: Article

Abstract

This paper is part of a long term program to develop CCM (combined Cauchy and characteristic) codes as investigative tools in numerical relativity. The approach has two distinct features: (i) it dispenses with an outer boundary condition and replaces this with matching conditions at an interface between the Cauchy and characteristic regions, and (ii) by employing a compactified coordinate, it proves possible to generate global solutions. In this paper it is shown that CCM can be used effectively to model a spherically symmetric perfect fluid. A particular advantage of CCM in avoiding arbitrary mass inflow-outflow boundary conditions is pointed out. Results are presented which include fluid distributions which form black holes and those which give rise to mass outflow.

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More information

Published date: 1998
Additional Information: Received 5 March 1998; published 24 July 1998.

Identifiers

Local EPrints ID: 29546
URI: http://eprints.soton.ac.uk/id/eprint/29546
ISSN: 1550-7998
PURE UUID: 9e631c70-370c-40ef-8798-26e8516b4ce5

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Date deposited: 21 Feb 2007
Last modified: 13 Oct 2017 07:39

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Contributors

Author: Mark R. Dubal
Author: Ray A. d’Inverno

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