Symbolic Computation of an Arbitrary-Order Resonance Condition in a Hamiltonian System

IF 0.7 4区 计算机科学 Q4 COMPUTER SCIENCE, SOFTWARE ENGINEERING
A. B. Batkhin, Z. Kh. Khaidarov
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引用次数: 0

Abstract

The study of formal stability of equilibrium positions of a multiparametric Hamiltonian system in a generic case is traditionally carried out using its normal form under the condition of the absence of resonances of small orders. In this paper we propose a method of symbolic computation of the condition of existence of a resonance of arbitrary order for a system with three degrees of freedom. It is shown that this condition for each resonant vector can be represented as a rational algebraic curve. By methods of computer algebra the rational parametrization of this curve for the case of an arbitrary resonance is obtained. A model example of some two-parameter system of pendulum type is considered.

Abstract Image

哈密顿系统中任意阶共振条件的符号计算
摘要 对一般情况下多参数哈密顿系统平衡位置形式稳定性的研究,传统上是在不存在小阶共振的条件下,利用其正常形式进行的。在本文中,我们提出了一种对具有三个自由度的系统的任意阶共振存在条件进行符号计算的方法。结果表明,每个共振矢量的这一条件可以用有理代数曲线来表示。通过计算机代数的方法,可以得到这条曲线在任意共振情况下的有理参数化。我们考虑了一个摆型双参数系统的模型示例。
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来源期刊
Programming and Computer Software
Programming and Computer Software 工程技术-计算机:软件工程
CiteScore
1.60
自引率
28.60%
发文量
35
审稿时长
>12 weeks
期刊介绍: Programming and Computer Software is a peer reviewed journal devoted to problems in all areas of computer science: operating systems, compiler technology, software engineering, artificial intelligence, etc.
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