面对称结构战斗部破片特性能量分析方法

Energy Analysis Method for Fragment Property of Plane-symmetric Warhead

为获得面对称结构战斗部的破片初速分布规律,基于能量分析的方法,针对棱柱型结构战斗部在内爆加载下的动态响应开展研究。采用修正的Hamilton原理,提出了一种求解面对称战斗部破片飞散特性的工程计算方法。计算结果与试验结果吻合较好,总体分布趋势基本一致,为提高飞行器作战性能提供了重要的理论依据。

In order to obtain the fragment’s velocity characteristics of plane-symmetric warhead,the dynamic response of prismatic casing warhead under internal explosive loading is investigated based on energy analysis method.An Analytical method is proposed for calculating the initial velocity of fragment by adopting modified Hamilton principle.The research has shown that the theoretical resulted agreed with the experimental results.The calculated trend of fragment velocity distribution tendency is in concordance with the experimental measurement.The results provide important references for the improvement of operational effectiveness of High Speed Strike Weapon(HSSW).