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单词 Restitution coefficient
释义

Restitution coefficient

中文百科

恢复系数 Coefficient of restitution

(重定向自Restitution coefficient)
频闪观测器以每秒25画面捕捉到的篮球碰撞地面的弹跳运动。忽略空气阻力,球碰撞地面之后与之前的弹跳高度比率,取其平方根,可求得这球与地面碰撞的恢复系数。
碰撞前时期
压缩时期
恢复时期

恢复系数coefficient of restitution)衡量两个物体在碰撞后的反弹程度。假若恢复系数为1,则此碰撞为弹性碰撞;假若恢复系数小于1而大于或等于0,则此碰撞为非弹性碰撞;假若恢复系数为0,则此碰撞为完全非弹性碰撞,两个物体黏贴在一起。

恢复系数是两个碰撞物体之间的共同性质。但是,时常在文献中,恢复系数会被表现为单独物体所具有的内秉性质,而只字不提这物体到底是与哪个物体相互碰撞。在这状况里,第二个物体被假定为完美弹性刚体。

英语百科

Coefficient of restitution 恢复系数

(重定向自Restitution coefficient)
A bouncing basketball captured with a stroboscopic flash at 25 images per second: Ignoring air resistance, the square root of the ratio of the height of one bounce to that of the preceding bounce gives the coefficient of restitution for the ball/surface impact.
碰撞前时期
压缩时期

The coefficient of restitution (COR) is a measure of the "restitution" of a collision between two objects: how much of the kinetic energy remains for the objects to rebound from one another vs. how much is lost as heat, or work done deforming the objects.

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更新时间:2025/6/17 15:54:01