Gauge conditions for long-term numerical black hole evolutions without excision -: art. no. 084023

被引：414
作者：
Alcubierre, M
Brügmann, B
Diener, P
Koppitz, M
Pollney, D
Seidel, E
Takahashi, R
机构：
[1] Max Planck Inst Gravitat Phys, Albert Einstein Inst, D-14476 Golm, Germany
[2] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
[3] Penn State Univ, Ctr Gravitat Phys & Geometry, University Pk, PA 16802 USA
[4] Univ Illinois, Beckman Inst, Natl Ctr Supercomp Applicat, Urbana, IL 61801 USA
[5] Theoret Astrophys Ctr, DK-2100 Copenhagen, Denmark
来源：
PHYSICAL REVIEW D | 2003年 / 67卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.67.084023
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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 1000M and more.
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页数：18
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