Galerkin-collocation domain decomposition method for arbitrary binary black holes

被引：6

作者：

Barreto, W. ^{[1
,2
]}

Clemente, P. C. M. ^{[2
]}

de Oliveira, H. P. ^{[2
]}

Rodriguez-Mueller, B. ^{[3
]}

机构：

[1] Univ Los Andes, Ctr Fis Fundamental, Merida 5101, Venezuela

[2] Univ Estado Rio de Janeiro, Inst Fis AD Tavares, Dept Fis Teor, R Sao Francisco Xavier 524, BR-20550013 Rio De Janeiro, RJ, Brazil

[3] San Diego State Univ, Computat Sci Res Ctr, 5500 Campanile Dr, San Diego, CA 92182 USA

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 10期

关键词：

MULTIDOMAIN SPECTRAL METHOD; INITIAL DATA;

D O I：

10.1103/PhysRevD.97.104035

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a new computational framework for the Galerkin-collocation method for double domain in the context of ADM 3 + 1 approach in numerical relativity. This work enables us to perform high resolution calculations for initial sets of two arbitrary black holes. We use the Bowen-York method for binary systems and the puncture method to solve the Hamiltonian constraint. The nonlinear numerical code solves the set of equations for the spectral modes using the standard Newton-Raphson method, LU decomposition and Gaussian quadratures. We show convergence of our code for the conformal factor and the ADM mass. Thus, we display features of the conformal factor for different masses, spins and linear momenta.

引用

页数：9

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