大学物理 ›› 2005, Vol. 24 ›› Issue (10): 4-4.

• 著者文摘 • 上一篇    下一篇

一阶非完整约束的理想约束力

王保玉 李祖海   

  1. 商丘师范学院物理与信息工程系,河南商丘476000
  • 出版日期:2005-10-25 发布日期:2005-10-20

The ideal constraint force of 1-order nonholonomic constraint

  • Online:2005-10-25 Published:2005-10-20

摘要: 通过一阶非完整约束对系统运动限制条件的分析,在Cq空间中给出一阶非完整理想约束力的表示形式.在速度空间中阐明一阶非完整约束力的几何意义.最后证明Appell-Четаев条件是实现一阶非线性非完整理想约束的充分必要条件.

关键词: 一阶非完整约束, 理想约束力, 速度空间, Lagrange乘子, 虚功, 虚位移, Четаев条件, 可能速度虚变更

Abstract: Analyzed the restricted condition with 1-order nonholonomic constraint, the form of 1-order nonholonomic ideal constraint force in the space of C^q is given, and the geometric significance in the velocity space is clarified. It's proved that Appell-Chetaev condition is sufficient and necessary condition to realizing 1-order nonholonomic ideal constraint.

Key words: l-order nonholonomic constraint, ideal constraint force, the velocity space, Lagrange's multiplier, virtual work, virtual displacement, Chetaev condition, virtual variation of generalized velocity

中图分类号: 

  • O316