圆锥杆倾斜侵彻半无限厚水泥靶时撞击力研究

Calculation of Impact Force on Penetration of a Conical Rod against Half infinite Cement Target

发展了计算撞击力的刚体－流体撞击模型和靶体变形的法向膨胀理论。在此基础上，按照动能定律和刚体平面运动微分方程，建立了圆锥杆倾斜侵彻半无限厚水泥靶时的动力学方程，并由此求得撞击力。通过对撞击力的研究，得出了与文献［３］实验基本一致的重要结论。

A rigid fluid impact model and a normal expansion approximation for calculating impact force are developed,and the dynamic equations for the penetration of a conical rod against half infinite cement target are established by using the theorem of momentum and the law of kinetic energy.The impact forces are determined by the numerical solution of the nonlinear equations.The agreements of the theoretical results with the experimental results in reference are obtained by numerical calculation.