观察到不同的等离子体初始温度会影响靶前激波的形成时间，进而影响质子产额。
It is found that the time required for the shock formation can be affected by the initial plasma temperature, which influences the energetic proton generation in the shock.
建立有限元模型，对平板条叶片以不同角度和初始速度撞击矩形靶板的过程进行了数值模拟。
Numerical simulations of the course of the plate blade impacting target with the different angles and the initial velocity were performed based on the finite element model.
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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