Gauge conditions for long-term numerical black hole evolutions without excision
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- 24 April 2003
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 67 (8) , 084023
- https://doi.org/10.1103/physrevd.67.084023
Abstract
Numerical relativity has faced the problem that standard 3+1 simulations of black hole spacetimes without singularity excision and with singularity avoiding lapse and vanishing shift fail early on due to the so-called slice stretching. We discuss lapse and shift conditions for the nonexcision case that effectively cure slice stretching and allow run times of and more.
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