GONG Chao-an， CHEN Zhi-gang， YIN Li-kui
(National Defense Key Laboratory of Underground Damage Technology, North University of China, Taiyuan 030051, China)
Abstract： By studying shock wave propagation and fragment movement after the explosion of a blast fragmentation warhead, a whole calculation process about the place where fragments meet shock wave was proposed. A computing system for movement laws of fragments and shock wave was developed based on VC++. Numerical segment integration method is used for the calculation of shock wave velocity and displacement, which makes the calculation be more convenient. The movement of preformed fragments and shock wave was simulated by ANSYS/LS-DYNA. The results show that the simulation is nearly equal to calculation.
Key words： fragment; shock wave; LS-DYNA; VC++
CLD number： TJ410.3+3Document code： A
Article ID： 1674-8042（2015）03-0218-05 doi： 10.3969/j.issn.1674-8042.2015.03.003
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某杀爆战斗部破片与冲击波运动规律研究
龚超安， 陈智刚， 印立魁
（中北大学 地下目标毁伤技术国防重点学科实验室， 山西 太原 030051）
摘要: 通过对某杀爆战斗部爆炸后破片运动及冲击波传播的研究， 理论推导了破片与冲击波相遇位置的求解全过程。 采用Visual C++开发破片与冲击波运动规律计算系统， 并用数值积分方法对冲击波速度与位移进行分段积分。 通过该系统计算了某预制破片战斗部破片与冲击波的相遇位置， 并运用ANSYS/LS-DYN数值模拟了该预制破片战斗部爆炸后破片与冲击波的运动， 数值模拟结果与计算结果基本相符。
关键词: 破片； 冲击波； LS-DYNA； VC++
引用格式：GONG Chao-an， CHEN Zhi-gang， YIN Li-kui. Analysis of movement laws of fragment and shock wave from a blast fragmentation warhead. Journal of Measurement Science and Instrumentation, 2015, 6(3)： 218-222. ［doi： 10.3969／j.issn.1674-8042.2015.03.003］
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