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力学与实践 ›› 2010, Vol. 32 ›› Issue (1): 89-90.doi: 10.6052/1000-0879-2008-563

• 学术讨论 • 上一篇    下一篇

再论刚体在固定面上纯滚动时接触点的加速度

韦利波 李斌 闫琴   

  1. 石河子大学水利建筑工程学院,新疆石河子 832003
  • 收稿日期:2008-11-19 修回日期:2009-02-24 出版日期:2010-02-08 发布日期:2010-02-08

Velocity and Acceleration of Contact Point in the Plane Rotation upon Fixed Surfaces of Rigid

  • Received:2008-11-19 Revised:2009-02-24 Online:2010-02-08 Published:2010-02-08

摘要: 应用点的速度合成定理和加速度合成定理,推导出刚体在固定曲面上作平面纯滚动 时接触点的速度和加速度的计算公式. 该方法易于理解.

关键词: 纯滚动,接触点,速度,加速度,曲率中心

Abstract: Based on velocity composition theorem and acceleration composition theorem,while the rigid pure rolling upon fixed surfaces,calculated formulas on velocity and acceleration of contact point is deduced .The method is easy to understand.

Key words: rotation,the contact point,velocity,acceleration,the curvature center