Poincare maps and near-collision dynamics for a restricted planar (n+1)-body problem

被引:2
|
作者
Alvarez-Ramirez, Martha [1 ]
Garcia, Antonio [1 ]
机构
[1] Univ Autonoma Metropolitana Iztapalapa, Dept Matemat, Mexico City 09340, DF, Mexico
关键词
Planar restricted (n+1)-body problem; Binary collision; Poincare maps;
D O I
10.1016/j.amc.2014.02.009
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper we perform the analysis of the following planar Newtonian restricted (n + 1)body problem: the first n particles have equal mass and are known as primaries. They are subject to their mutual gravitational attraction and are on the vertices of a regular polygon that rotates with an uniform angular velocity x. The remaining particle has infinitesimal mass and moves between the primaries. We limit our inquiry to energy levels that allow us to break down the motion of the infinitesimal in an appropriate family of Poincare maps. Due to the special features of the problem we can deal with the possible collisions and their numerical complexities working in Hill regions, doing several symplectic changes of coordinates and using regularization techniques similar to Birkhoff's. The method involves several symplectic changes of coordinates to get a workable form. We show several numerical simulations of the Poincare maps to display the dynamics of the problem. (C) 2014 Elsevier Inc. All rights reserved.
引用
收藏
页码:328 / 337
页数:10
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