典型装药水下爆炸的殉爆规律研究

针对典型的壳装炸药殉爆更接近炸药实际使用状态，采用ANSYS／LSDYNA软件建立了典型装药水下殉爆的有限元仿真模型，通过计算得到了殉爆距离与安全距离，基于此加工了试验样弹，并进行了相应的水下殉爆试验。试验结果与数值仿真结果较为吻合，表明了本文的仿真模型能够有效描述带壳装药的水下殉爆情况，水下试验中南冲击波压力和气泡周期来判断被发装药是否殉爆是可行的。最后，在水下殉爆理论分析基础上，根据试验结果预计了大药量水中兵器战斗部的安全性。本文的研究可为水中兵器战场环境的安全性设计提供依据，并可为水中兵器战斗部殉爆毁伤能力评估提供参考。

Research on Law of Sympathetic Detonation of Typical Charge Subjected to Underwater Explosion

Aiming at typical charge in shell, a finite element analysis （FEA） model of sympathetic detonation of typical charge subjected to underwater explosion is established using the simulation software ANSYS/LS DYNA. The distance of sympathetic detonation and the distance of safety are achieved by calculation, and a prototype ammunition is manufactured for underwater sympathetic detonation experiment. The experimental result indicates that the FEA model can describe the underwater sympathetic detonation of charge in shell effectively, and that explosive pressure and bubble period can be used to estimate the occurrence of sympathetic detonation of acceptor charge. Based on the theoretical analysis of underwater sympathetic detonation, the warhead security of typical underwater weapon is estimated according to the experiment result. This study may give a reference for the safety design and the destroy ability evaluation of underwater weapon warhead.