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星系动力学中的数值方法

THE NUMERICAL METHODS IN GALACTIC DYNAMICS
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摘要 本文概要介绍了星系动力学的基本内容和方程。对星系动力学中的数值方法和应用进行了综述。 Various numerical methods in the study of galactic dynamics and their applications to different stellar systems are reviewed. The main subjects and basic equations (Boltzmann equation and Poisson equation) of galactic dynamics are summarized in § 1. Sevaral numerical methods in galactic dynamics are introduced in § 2, including (1) the time integration method of small clusters, (2) the computer simulation method, Ⅰ) the partical-partical (pp) method, Ⅱ) the partical-mesh (pm) method, Ⅲ) the partical-partical-partical-mesh (P^3m) method, Ⅳ) the other useful numerical methods. Finally, their applications to various fields of galactic dynamics are described, and their main limitation are discussed.
作者 周洪楠
机构地区 南京大学天文系
出处 《紫金山天文台台刊》 北大核心 1992年第4期259-270,共12页
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