N形装甲板抗穿甲弹侵彻性能数值模拟

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摘要

面向军用车辆弹道防护需求，针对一种由孔板、斜板和基板组成的N形结构装甲板，进行了其抗7.62 mm穿甲弹侵彻性能的数值模拟分析。在验证数值模拟方法有效性的基础上，仿真了子弹对N形装甲板的侵彻过程并分析了其特殊的抗弹机理；研究了弹着点位置对装甲板抗弹性能的影响，结果表明，弹着点位置的不同会导致穿甲弹的侵彻路径和剩余速度的差异；通过对比贯穿3种构型孔板后弹体的偏转角度和完整性，发现锥形孔板对弹体姿态的改变和破坏更大；通过多组仿真得到了锥形孔N形装甲板的弹道极限。结果表明，与等质量均质钢板相比，锥形孔N形装甲板的弹道极限提高了12.5%。

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	杨姝
	于晨
	康玉彪
	裴连政
	亓昌
	景乙桐

关键词 ：弹道防护, 装甲板, 穿甲弹, 抗侵彻机理, 弹着点, 弹道极限

Abstract：

Aiming at the ballistic protection requirements of military vehicles, an N-shaped structural armor consisting of a perforated plate, an inclined plate, and a substrate was proposed and its anti-penetration performance against a 7.62 mm armor-piercing projectile was analyzed through numerical simulations.Firstly, on the basis of validating the effectiveness of the numerical simulation method, the penetration process of the projectile to the N-shaped armor plate was simulated and its special anti-ballistic mechanism was analyzed.Secondly, the influence of the impact position on the ballistic resistance of the armor plate was studied.The results show that different impact positions will lead to different penetration paths and different residual speed of the armor-piercing projectile.Then, by comparing the deflection angle and the integrity of the projectile after penetrating the perforated plate with three types of bore configurations, it was found that the conical bore plate changes most the attitude of the projectile as well as destroys it.Finally, the ballistic limit of the conical bore N-shaped armor plate was obtained through multiple sets of simulations.The results show that the ballistic limit of the conical bore N-shaped armor plate was increased by 12.5% compared with that of the homogeneous steel plate of the same weight.

Key words： ballistic protection armor plate armor-piercing projectile anti-penetration mechanism impact point ballistic limit

收稿日期: 2020-01-20 出版日期: 2021-08-28

引用本文:

杨姝，于晨，康玉彪，裴连政，亓昌，景乙桐. N形装甲板抗穿甲弹侵彻性能数值模拟[J]. 振动与冲击, 2021, 40(16): 1-9.
YANG Shu，YU Chen，KANG Yubiao，PEI Lianzheng，QI Chang，JING Yitong. Numerical simulation of anti-penetration performance of an N-shaped armor plate against armor-piercing projectiles. JOURNAL OF VIBRATION AND SHOCK, 2021, 40(16): 1-9.

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http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2021/V40/I16/1

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