Evolving a puncture black hole with fixed mesh refinement

被引：44

作者：

Imbiriba, B ^{[1
]}

Baker, J

Choi, DI

Centrella, J

Fiske, DR

Brown, JD

van Meter, JR

Olson, K

机构：

[1] NASA, Goddard Space Flight Ctr, High Energy Astrophys Lab, Greenbelt, MD 20771 USA

[2] Univ Maryland, Dept Phys, College Pk, MD 20740 USA

[3] Univ Space Res Assoc, Lanham, MD 20706 USA

[4] N Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA

[5] Univ Maryland Baltimore Cty, Goddard Earth Sci & Technol Ctr, Baltimore, MD 21250 USA

[6] NASA, Goddard Space Flight Ctr, Earth & Space Data Comp Div, Greenbelt, MD 20771 USA

来源：

PHYSICAL REVIEW D | 2004年 / 70卷 / 12期

基金：

美国国家航空航天局; 美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevD.70.124025

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present an algorithm for treating mesh refinement interfaces in numerical relativity. We discuss the behavior of the solution near such interfaces located in the strong-field regions of dynamical black hole spacetimes, with particular attention to the convergence properties of the simulations. In our applications of this technique to the evolution of puncture initial data with vanishing shift, we demonstrate that it is possible to simultaneously maintain second order convergence near the puncture and extend the outer boundary beyond 100M, thereby approaching the asymptotically flat region in which boundary condition problems are less difficult and wave extraction is meaningful.

引用

页码：124025 / 1

页数：16

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