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Author:
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Year:
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Issue:
The Percussion Centre of A Rigid Body Rotating about A Fixed Point
Author(s):
Fei Zhang-hui
Pages:
53
-
57
Year:
1981
Issue:
2
Journal:
Chinese Quarterly of Mechanics
Keyword:
定点转动
;
定轴转动
;
对称平面
;
理论力学
;
打击点
;
惯性积
;
动量矩定理
;
速度增量
;
欧拉角
;
轨迹方程
;
Abstract:
<正> 一、引言定轴转动刚体上能满足轴承反力的碰撞冲量为零的打击点称为定轴转动刚体的打击中心,同样,定点转动刚体上能满足定点反力的碰撞冲量为零的打击点称为定点转动刚体的打击中心。理论力学中有关打击中心仅提及转轴垂直于刚体对称平面这一特殊情形,定轴转动的普遍情形没有提及,定点转动的情形也没有提及。定轴转动可作为定点转动情形中的一个特例,因而探讨定点转动情形下刚体的打击中心有着较为深入和普遍的意义。
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