基于局部作用原理，借用有限元离散和插值技术，引入元胞自动机的演化思路，得到一种新的力学计算方法——元胞单元法。

Based on principle of local action and the idea of cellular automata, a new mechanical method cellular element method is presented through inducting the discrete techniques of finite element method.

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首先采用有限元法，将撞击体离散成由三维实体单元构成的具有一定初始速度的离散质量系统，对靶板采用二维壳单元离散。

According to Finite Element Method, the impactor is considered as a discrete mass system in terms of 3D solid element with initial velocity, and 2D shell element is used for target plate.

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空间上采用有限元线法进行半离散化，采用已有的轴对称单元、平面单元；

Using Finite Element Method of Lines smash the area in semidiscretization with plane or axial symmetry element which is develop by the postgraduate last session;

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