高速碰撞的三维欧拉数值模拟方法

3D EULERIAN NUMERICAL SIMULATION METHOD OF HIGH SPEED IMPACT

介绍一种可用于高速碰撞问题数值模拟的三维弹塑性流体动力学数值计算方法，以及应用该方法研制的应用软件ＭＥＰＨ３Ｄ，并给出了一些高速碰撞问题的数值计算结果，计算结果表明该程序具有计算三维高速碰撞问题的能力。

In this paper,a three dimensional elastic plastic hydrodynamical numerical method and the code MEPH3D using this method which can be used on high speed impact problems are introduced.Some numerical tests are given.The numerical results indicate that the code MEPH3D has the ability of computing three dimensional high speed impact problems.