多模式毁伤元成形的数值仿真和实验研究
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摘要
为实现多模战斗部中3种毁伤模式的集成,同时提高定向破片群的径向发散能力,设计了多模战斗部弹体结构,并开展了3种模式毁伤元成形过程的数值仿真,最后通过相应的靶板效应实验进行了验证。研究结果表明,基于设计的弹体结构,可以分别实现爆炸成型弹丸、聚能杆和定向破片群模式的毁伤元成形,其中定向破片群的径向散布角达18°,且3种模式能有效兼容。
In order to achieve integration of three damage modes from multimode warhead,and enhance the ability of radial dispersion of directional fragments,a structure of multimode warhead was proposed. Simulations of forming progress of the three mode penetrators were done,and the forming effects were validated by experiment. It could be concluded from the results that,EFP,JPC and directional fragments form respectively based on the warhead structure. Radial dispersion angle of the fragments could reach to 18°,and three modes are compatible.
In order to achieve integration of three damage modes from multimode warhead,and enhance the ability of radial dispersion of directional fragments,a structure of multimode warhead was proposed. Simulations of forming progress of the three mode penetrators were done,and the forming effects were validated by experiment. It could be concluded from the results that,EFP,JPC and directional fragments form respectively based on the warhead structure. Radial dispersion angle of the fragments could reach to 18°,and three modes are compatible.
引文
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[2]FONG R.Warhead technology advancements:ADA 394848[R].2000.
[3]BENDER D,FONG R,WILLIAM N G,et al.Dual mode warhead technology for future smart munitions[C]∥Proceedings of the 19th International Symposium of ballistics.Interlaken,Switzerland:IBC,2001.
[4]解文辉,黄长友,安国辉.多模式EFP战斗部毁伤性能试验[J].四川兵工学报,2013,34(3):26-28.
[5]汤建明.基于ANSYS/LS-DYNA进行EFP成形及切割仿真研究[D].南京:南京理工大学,2006:52-66.
[6]汪得功.可选择EFP侵彻体形成研究[D].南京:南京理工大学,2007:68-72.
[7]李伟兵,王晓鸣,李文彬,等.隔栅对EFP破片成型及侵彻的影响[J].南京理工大学学报,2009,33(5):586-591.
[8]张洋溢,龙源,余道强,等.切割网栅作用下EFP形成多破片的数值分析[J].弹道学报,2009,21(2):90-94.
[9]张洋溢,龙源,余道强,等.多模战斗部中定向破片的发散角分析[J].解放军理工大学学报,2010,11(4):468-472.
[10]李金凤.爆炸载荷下药型罩形成多破片的数值模拟[J].南京理工大学学报,2006,30(2):186-188.
[11]RICHARD F,WILLIAM Ng,LAMAR Thompson,et al.Multiple explosively formed penetrator(MEFP)warhead technology development:ADA 432879[R].2004:563-568.
[12]周翔,龙源,余道强,等.多弹头爆炸成型弹丸数值仿真及发散角影响因素[J].兵工学报,2006,27(1):23-26.
[13]尹建平,常变红,王志军.多爆炸成型弹丸设计参数对智能雷毁伤概率的影响[J].弹道学报,2007,19(2):58-61.