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arXiv 2008.12931gr-qcastro-ph.CO
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数值相对论导论

Introduction to Numerical Relativity

Carlos Palenzuela

摘要:

数值相对论是一个多学科领域,包括相对论,磁流体力学,天体物理学和计算方法等,其目的是解决没有其他近似方法的数值高度动态,强引力场景。在这里,我们描述了该领域的一些基础,从协变爱因斯坦方程开始,以及如何将它们写成适定的演化方程系统,讨论了不同的形式主义,坐标条件和数值方法,目前常用的引力波源的建模。

英文摘要:

Numerical Relativity is a multidisciplinary field including relativity, magneto-hydrodynamics, astrophysics and computational methods, among others, with the aim of solving numerically highly-dynamical, strong-gravity scenarios where no other approximations are available. Here we describe some of the foundations of the field, starting from the covariant Einstein equations and how to write them as a well-posed system of evolution equations, discussing the different formalisms, coordinate conditions and numerical methods commonly employed nowadays for the modeling of gravitational wave sources.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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