多体系统碰撞点自动搜索方法

An automatic searching method for collision points of multibody systems

针对多体系统动力学方程不适用于碰撞过程动力学分析的情况 ,提出一种通过对正则形式的多体系统动力学方程积分而得到的 ,适用于多体系统碰撞分析的动量平衡冲量方程。对于非定点碰撞的多体系统碰撞问题 ,以 2单摆组成的多体系统为例 ,给出一种当多体系统在运动过程中碰撞点不确定且有多个可能碰撞点的情况下 。

The impulse-momentum equations were introduced by integrating the canonical equations of multibody systems which are not valid for the dynamics analysis in the impacting processes. A method of automatic searching collision positions was given in multibody impact systems with non-fixed collision positions and many kinds of collision positions, such as the multibody systems consisted of two single pendulums.