弹丸斜撞击间隔靶板的数值模拟
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摘要
基于AUTODYN-3D有限元分析软件,以初速为1 000 m/s,攻角取值为0°～60°的弹丸对两种结构的靶板分别进行了侵彻模拟,并对侵彻后的弹丸质量和速度以及靶板的变形进行对比分析。结果表明:B靶板结构对弹丸速度的削弱更明显,但缩短了弹丸的穿靶时间;对于A结构靶板,攻角越大,弹丸侵彻时质量消耗越小;弹丸穿靶时,攻角的取值会影响靶板侵彻孔以及破片的形成。
Based on AUTODYN-3D finite element analysis software,it penetrated two kinds of target board respectively,taking the velocity of 1 000 m/s and angle of attack values of 0° to 60° of the projectile,and compared the projectile mass,velocity and the deformation of the target plate after penetration. The results show that the structure of B target plate weakened the projectile velocity more obviously,but shortened the projectile penetrating time. For A structural target plate,the larger the angle of attack,the smaller the mass consumption of the projectile during penetration. When the projectile penetrates the target,the value of the angle of attack will affect the perforation of the target plate and the formation of fragments.
Based on AUTODYN-3D finite element analysis software,it penetrated two kinds of target board respectively,taking the velocity of 1 000 m/s and angle of attack values of 0° to 60° of the projectile,and compared the projectile mass,velocity and the deformation of the target plate after penetration. The results show that the structure of B target plate weakened the projectile velocity more obviously,but shortened the projectile penetrating time. For A structural target plate,the larger the angle of attack,the smaller the mass consumption of the projectile during penetration. When the projectile penetrates the target,the value of the angle of attack will affect the perforation of the target plate and the formation of fragments.
引文
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[2]李剑峰.铝合金靶体在偏航斜撞击下的抗侵彻特性研究[D].天津:中国民航大学,2017.
[3]袁亚楠,胡健,王少龙,等.钨合金长杆弹斜侵彻间隔靶的数值仿真与试验[J].四川兵工学报,2011,32(7):11-15.
[4]楼建锋,王政,洪滔,等.钨合金杆侵彻半无限厚铝合金靶的数值研究[J].高压物理学报,2009,23(1):65-70.
[5]龙源,岳小兵,周翔,等.高速钢弹对多层大间隔金属靶的侵彻特性研究[J].南京理工大学学报,2004,28(4):369-374.
[6]乔金超,吴越,贾磊朋,等.双层复合线型药型罩侵彻靶板的数值分析[J].兵工自动化,2017(9):27-30.
[7]王金涛,余文力,王涛,等. SPH算法在长杆弹侵彻多层间隔靶中的应用[J].爆炸与冲击,2011,31(5):533-539.
[8]陈鸿,周智炫,黄洁.带迎角钨杆斜侵彻铝板数值仿真研究[J].实验流体力学,2014,28(2):85-89.
[9]崔魁文,米双山,高敏.药型罩锥角对聚能杆式侵彻体影响的数值分析[J].兵工自动化,2018(11):67-71.