Some frigate vertical launch system was chosen as the object of study,and the security safety of adjacent missile was analyzed when a missile was detonated.The finite element model of explosion and penetration was made about missile with LS-DYNA.The blast and fragment initiating warhead was simulated by using ignition and growth model.The result shows that the adjacent missile will be detonated when a missile was detonated,regardless of explosion or penetration initiating warhead.The distance of missiles cannot be changed for avoiding sympathetic detonation because of the structure and functional properties about the vertical launch system.Increasing the thickness of the launch container can be used for improving security of the missile.When the thickness of the launch container is bigger than 14mm,the security of the missile will be improved.%以某型护卫舰垂直发射系统为研究对象,探究一枚舰载导弹被引爆后与之相邻导弹战斗部的安全性.利用LS-DYNA软件建立了相邻舰载导弹的爆炸和侵彻有限元模型,对战斗部爆炸后,爆炸冲击波和爆炸破片对相邻导弹战斗部的毁伤过程采用Lee-Tarver点火增长模型进行数值模拟.结果表明,垂直发射系统内的一枚导弹爆炸后,其产生的爆炸冲击波足以殉爆其相邻导弹战斗部.由于垂直发射系统的结构和功能特性决定了不能通过改变导弹间的距离防止殉爆,可通过增加发射箱体的厚度提高舰载导弹的安全性,箱体厚度达14 mm以上时,安全性有较大提高.
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