侵彻过程中的墙角效应
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摘要
侵彻火箭弹的引信中发火决策方式进行总结。利用有限元动力学仿真软件Ls-Dyna完成对火箭弹以不同角度斜侵彻复杂目标过程中遇到墙角时的动力学仿真。根据仿真得到的位移,加速度数据,对单传感器的火箭弹侵彻引信进行讨论,发现其中存在的一些问题,如无法分辨水平和竖直目标,无法探测跳弹等情况,即墙角效应对于侵彻引信的影响,同时根据仿真数据分析了引信中利用两个传感器测量的优势。
The fire decision-making mode of the penetration fuze in rocket bombs are summarized.Finite element dynamic simulation software Ls-Dyna was used for completing the dynamic simulations of the processes in which rockets with different angles penetrate into the complex targets.According to the displacement and acceleration data obtained during the simulation,the penetration fuze of rockets with one sensor is discussed.Some problems(such as ricochet cannot be detected,and vertical and horizontal targets cannot be recognized) existing in the penetration fuze were found.That is the influence of corner effect on the penetration fuze.The superiority of fuze with two sensors are analyzed according to the simulation data.
引文
[1]朱松俭,苏伟,商顺昌,等.硬目标侵彻引信引爆决策方法[J].含能材料,2004(z2):473-475.
    [2]洪元军.外军侵彻弹药及引信技术的最新发展[J].探测与控制学报,2000,22(2):8-13.
    [3]屈新芬,商顺昌,杨晴.影响弹丸侵彻性能的因素分析及引信方案探讨[J].信息与电子工程,2003(3):51-55.
    [4]SIBEAUD J-M,LACAZE T H,LEFRANCOIS A.Wea-pons curvilinear trajectory and smart fuze calculations suit-able for hard target defeat modeling[R].[S.l.]:52nd An-nual Fuze Conference,2008.
    [5]SIBEAUD J-M.Intelligent fuzing for penetrating munitionsexperiments and analysis of representative configurations[R].[S.l.]:53rd Annual Fuze Conference,2009.
    [6]孙娟,杜作娟,黄小忠,等.基于LS-DYNA的不同材质靶板抗侵彻能力的数值模拟[J].科学技术与工程,2010(10):2296-2301.
    [7]栾晓岩,贺虎成,耿忠,等.弹丸侵彻混凝土的试验与仿真[J].系统仿真学报,2008,20(13):3571-3573.
    [8]龚自明,方秦,张亚栋,等.混凝土靶体侵彻不同贯穿系数的试验研究[J].兵工学报,2009,30(9):1181-1186.
    [9]冯国忠.基于Ansys/Ls-dyna的混凝土靶板侵彻问题的数值模拟与分析[D].哈尔滨:中国地震局力学研究所,2006.
    [10]武海军,黄风雷,金乾坤,等.单体贯穿钢筋混凝土数值模拟[J].爆炸与冲击,2003,23(6):545-550.

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