计算物理 ›› 1992, Vol. 9 ›› Issue (S2): 806-809.

• 论文 • 上一篇    下一篇

动力天文中的N体数值模拟和计算机代数

狄晓华   

  1. 南京大学天文系, 南京 210008
  • 收稿日期:1992-05-18 出版日期:1992-12-31 发布日期:1992-12-31

N-BODY SIMULATIONS AND COMPUTER ALGEBRA FOR DYNAMICAL ASTRONOMY

Di Xiaohua   

  1. Department of Astronomy, Nanjing University, 210008
  • Received:1992-05-18 Online:1992-12-31 Published:1992-12-31

摘要: 恒星系统的计算机数值模拟和用于天体力学分析理论的计算机代数是计算技术在动力天文中的重要应用。本文简要介绍了N体模拟的PP、PM和P3N方法,以及用于泊松级数操作的专用计算机代数系统。

关键词: N体模拟, 计算机代数, 动力天文

Abstract: The computer simulations of stellar systems and the computer algebra for implementation of analytical algorithms of celestial mechanics are important applications of computer technology to Dynamical Astronomy.The PP, PM, ad P3M methods of N-body simulation and the specialized computer algebra systems for manipulations of Poisson series are described briefly.

Key words: N-body simulation, computer algebra, dynamical astronomy