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首页> 外文期刊>Latin American Journal of Solids and Structures >Numerical and Experimental Study on the Formation and Dispersion Patterns of Multiple Explosively Formed Penetrators
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Numerical and Experimental Study on the Formation and Dispersion Patterns of Multiple Explosively Formed Penetrators

机译：多种炸药穿甲弹的形成与扩散规律的数值与实验研究

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Three-dimensional numerical simulations and experiments were performed to examine the formation and spatial dispersion patterns of integral multiple explosively formed penetrators (MEFP) warhead with seven hemispherical liners. Numerical results had successfully described the formation process and distribution pattern of MEFP. A group of penetrators consisting of a central penetrator surrounded by 6 penetrators is formed during the formation process of MEFP and moves in the direction of aiming position. The maximum divergence angle of the surrounding penetrator group was 7.8°, and the damage area could reach 0.16 m2 at 1.2 m. The laws of perforation dispersion patterns of MEFP were also obtained through a nonlinear fitting of the perforation information on the target at different standoffs. The terminal effects of the MEFP warhead were performed on three #45 steel targets with a dimension of 160cm ( 160cm ( 1.5cm at various standoffs (60, 80, and 120 cm). The simulation results were validated through penetration experiments at different standoffs. It has shown excellent agreement between simulation and experiment results.
机译：进行了三维数值模拟和实验，以检查具有七个半球形衬里的整体式多重爆炸穿透器（MEFP）战斗部的形成和空间色散模式。数值结果成功地描述了MEFP的形成过程和分布模式。在MEFP的形成过程中，形成了一组由6个穿透器包围的中央穿透器组成的穿透器，它们朝瞄准位置的方向移动。周围穿透组的最大发散角为7.8°，在1.2 m处破坏面积可达0.16 m2。 MEFP的射孔散布图样的定律也可以通过在不同距离处对目标上的射孔信息进行非线性拟合来获得。 MEFP战斗部的末端效应是在三个尺寸为160cm（160cm（在不同支座（60、80和120cm）下为1.5cm）的＃45钢靶上进行的，仿真结果通过不同支座的穿透实验得到了验证。在仿真和实验结果之间显示出极好的一致性。

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