利用AUTODYN非线性动力学分析软件，采用Johnson Cook 动态本构模型和多物质Euler算法，对某子母弹的子弹聚能射流形成、侵彻钢板过程进行了数值仿真，得到与试验结果相近的聚能射流形成和侵彻的物理现象和规律，验证了该模型和数值模拟的合理性，为该弹的测试和鉴定提供一些理论依据，对聚能破甲战斗部的工程设计具有重要的应用价值。 关键词：聚能装药；数值仿真；Euler-Lagrange算法 中图分类号：TP602 文献标识码：A Numerical Simulation of Shaped Charge Jet Penetrating into Target CUI Jun, XU Feng, LI Xiang-rong (Dept. of Weaponry Engineering, Academy of Armored Force Engineering, Beijing 100072, China) Abstract: Using AUTODYN nonlinear dynamics analysis software, Johnson Cook constitutive model of dynamic and multi-material Euler algorithm, the bullet of a dispenser shaped jet formation process of penetrating steel plate numerical simulation and experimental results are similar to shaped Jet Formation and Penetration of the physical phenomena and laws. It verifies the model and numerical simulation is reasonableness, and provides some theoretical basis for the bullet testing and appraisal. The engineering design has important application value. Keywords: Shaped charge; Numerical simulation; Euler-Lagrange algorithm