摘要
本文提出了动力学系统守恒定律构成的一般途径 .首先 ,给出积分因子的定义 ,其次 ,详细地研究了守恒量存在的必要条件 ,建立了具有单面约束的非完整动力学系统的守恒定理及其逆定理 ,并举例说明结果的应用 .
In this paper,a general approach to the construction of conservation laws for dynamical systems was presented.First,the definition of integrating factors was given,necessary conditions for existence of the comserved quantities were studied in detail.Next,the conservation theorem and its inverse theorem for nonholonomic dynamical systems with unilateral constrains were established.Finally,an example was given to illustrate the application of the result
出处
《长沙大学学报》
2002年第2期11-15,共5页
Journal of Changsha University
基金
国家自然科学基金 (批准号:19872 0 2 2 )资助项目
关键词
分析力学
单面非完整约束
积分因子
守恒定理
守恒量
analytical mechanics
unilateral nonholonomic constraint
integrating factor
conservation theorem
conserved quantity