圆轮在固定面纯滚动时加速度瞬心的轨迹分析  

The trajectory analysis of instantaneous center acceleration of the round of pure rolling on the fixed surface

作　　者：孔艳平[1] 段淑敏[1] 

机构地区：[1]石家庄铁道大学工程力学系,河北石家庄050043

出　　处：《大学物理》2015年第10期12-14,共3页College Physics

摘　　要：推导了圆轮在固定面上纯滚动时其上任意点的加速度计算公式,数值分析了圆轮在固定面纯滚动时加速度瞬心轨迹的分布规律,可加深理解圆轮纯滚动时的运动规律,为平面运动图形上点的加速度分析提供了另一种有效方法.The paper focuses on the deduction of the acceleration formula of any point at the round of pure roll- ing on the fixed surface. The characteristics of tracks of the acceleration instantaneous center at the wheel pure roll- ing on a fixed surface are analyzed, and the movement of the wheels pure rolling is more deeply understood. An ef- fective method of point acceleration of plane motion graphics is provided.

关 键 词：平面运动 基点法 加速度 加速度瞬心 

分 类 号：O311.2[理学—一般力学与力学基础]