2024航空铝合金固支靶板分层数抗鸟撞性能研究

doi:10.16182/j.issn1004731x.joss.201810038

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (10): 3914-3922.doi: 10.16182/j.issn1004731x.joss.201810038

2024航空铝合金固支靶板分层数抗鸟撞性能研究

徐建新, 袁家俊, 邓云飞

中国民航大学航空工程学院,天津 300300

收稿日期:2016-09-08 修回日期:2017-01-13 出版日期:2018-10-10 发布日期:2019-01-04
作者简介:徐建新(1967-),男,江苏苏州,博士,教授,研究方向为复合材料结构力学;袁家俊(1992-),男,四川简阳,学士,研究方向为结构冲击与振动;邓云飞(1982-),男,江西高安,博士,讲师,研究方向为结构冲击与振动。
基金资助:
中央高校基本科研业务费(3122016C001)

Research on Impact Performance of Layer-number of 2024 Aerospace Aluminum Alloy Immobilized Target Against Bird Strike

Xu Jianxin, Yuan Jiajun, Deng Yunfei

College of Aeronautical Engineering, Civil Aviation University of China, Tianjin 300300, China

Received:2016-09-08 Revised:2017-01-13 Online:2018-10-10 Published:2019-01-04

摘要/Abstract

摘要： 为探究相同厚度的靶板在不同分层数目下的抗侵彻性能,利用AUTODYN软件建立SPH(Smoothed Particle Hydrodynamics)圆柱鸟弹撞击2024铝合金Lagrange靶板模型。靶板厚度为1 mm、2 mm、3 mm和4 mm,其中1 mm和2 mm靶板分为单层和双层,3 mm靶板分为单层、双层和三层,4 mm靶板分为单层、双层和四层。通过分析靶板鼓包高度,研究靶板厚度和分层数目对其抗鸟撞性能的影响。仿真结果表明：4 mm厚度靶板的抗鸟撞性能随分层数目增加而增加;1 mm、2 mm和3 mm厚度靶板的抗鸟撞击性能随分层数目增加而降低。

关键词: 鸟弹, 靶板, 分层数目, 抗鸟撞特性, 数值仿真

Abstract: In order to investigate the anti-penetration performance of target plate of the same thickness under different number of layers, a model of SPH(Smoothed Particle Hydrodynamics) cylindrical bird bullet to impact 2024 aerospace aluminum alloy Lagrange target is established by using the AUTODYN finite element software. The thickness of target is 1 mm, 2 mm, 3 mm and 4 mm, 1 mm and 2 mm target plate is divided into single and double, 3 mm target plate is divided into single, double and three layers, 4 mm target plate is divided into single, double and four layers. By comparing the bulge height, the influence of target thickness and number of target layers against bird strike are discussed. The performance of the target against bird strike is enhanced with increasing target thickness with the help of research results. Moreover, for the 1 mm, 2 mm, 3 mm plate, the performance against bird strike is declined with the increment of the number of layers. However, the performance of 4 mm plate is enhanced.

Key words: bird bullet, target, layering order, performance against bird strike, numerical simulation

中图分类号:

V214.3+2

徐建新, 袁家俊, 邓云飞. 2024航空铝合金固支靶板分层数抗鸟撞性能研究[J]. 系统仿真学报, 2018, 30(10): 3914-3922.

Xu Jianxin, Yuan Jiajun, Deng Yunfei. Research on Impact Performance of Layer-number of 2024 Aerospace Aluminum Alloy Immobilized Target Against Bird Strike[J]. Journal of System Simulation, 2018, 30(10): 3914-3922.

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2024航空铝合金固支靶板分层数抗鸟撞性能研究

Research on Impact Performance of Layer-number of 2024 Aerospace Aluminum Alloy Immobilized Target Against Bird Strike

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