A spectral solver for evolution problems with spatial S3-topology

Florian Beyer

doi:10.1016/j.jcp.2009.05.037

2009-09-01

Florian Beyer *

DOI：10.1016/j.jcp.2009.05.037

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摘要

En 中文

We introduce a single patch collocation method in order to compute solutions of initial value problems of partial differential equations whose spatial domains are 3-spheres. Besides the main ideas, we discuss issues related to our implementation and analyze numerical test applications. Our main interest lies in cosmological solutions of Einstein's field equations. Motivated by this, we also elaborate on problems of our approach for general tensorial evolution equations when certain symmetries are assumed. We restrict to U(1)- and Gowdy symmetry here. (C) 2009 Elsevier Inc. All rights reserved.

Keyword:

Spectral method

3-Sphere topology

General relativity

Cosmology

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期刊

Journal of Computational Physics

IF:

3.8

论文数:

1.6W

被引数:

7.4W

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