Research on the mechanical characteristics of the Z-type target plate of the warhead entirely penetrating the ship simulation structure

IF 0.5 4区 物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS Scientia Sinica-Physica Mechanica & Astronomica Pub Date : 2021-10-25 DOI:10.1360/sspma-2020-0360
Zhipeng Du, Xiaoqiang Zhang, Peng Gao, Ying Li, Lei Zhang
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引用次数: 1

Abstract

The anti-ship missile warhead must enter the ship’s deep interior in order to achieve the satisfied damage effect. However, the ship’s hull is crisscrossed, which results in far more complex mechanical characteristics of the warhead than that of the parallel target. In order to study the mechanical characteristics of warhead penetrating into the complex structure of a real ship, the complex structure of the ship is simplified as a kind of Z-shaped composite target plate, and the mechanical characteristics of the warhead penetrating into the Z-shaped target plate in a complex attitude are analyzed by using the momentum theorem. Based on the Timoshenko beam theory, the motion equation of the combat part is derived and the theoretical solution is obtained. The attitude change and mechanical properties of warhead penetrating into each stage of Z-shaped target are simulated by LS-DYNA software. The analysis results show that the transverse load of the warhead penetrating Z target is about 2–3 times higher than that of the parallel target, and the movement mode of the warhead is also significantly changed. The Z target can better reflect the complex structural characteristics of the ship than the parallel target, and can provide a reference for the design of the warhead penetration test target. warhead Z-type target plate, mechanical
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战斗部全侵彻舰船仿真结构的z型靶板力学特性研究
反舰导弹战斗部要想达到满意的毁伤效果,就必须进入舰内深处。然而,舰艇的船体是交叉的,这导致弹头的机械特性比平行目标复杂得多。为了研究战斗部侵彻真实舰船复杂结构的力学特性,将舰船复杂结构简化为一种z型复合靶板,利用动量定理分析了战斗部以复杂姿态侵彻z型靶板的力学特性。基于Timoshenko梁理论,推导了战斗部分的运动方程,得到了理论解。利用LS-DYNA软件模拟了战斗部侵入z型目标各阶段的姿态变化和力学性能。分析结果表明,战斗部侵彻Z型目标时的横向载荷约为平行目标的2-3倍,战斗部的运动方式也发生了明显变化。Z型靶比平行靶更能反映舰船复杂的结构特征,可为战斗部突防试验靶的设计提供参考。战斗部z型靶板,机械式
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