GLARE层板结构抗鸟撞性能分析

doi:10.19936/j.cnki.2096-8000.20250828.016

复合材料科学与工程 ›› 2025, Vol. 0 ›› Issue (8): 132-141.DOI: 10.19936/j.cnki.2096-8000.20250828.016

GLARE层板结构抗鸟撞性能分析

田校宇¹, 张发¹, 汲生成², 石晨², 吴晓光², 林大楷²

1.中国商飞北京民用飞机技术研究中心民用飞机结构与复合材料北京市重点实验室,北京 102211;
2.中国商飞北京民用飞机技术研究中心,北京 102211

收稿日期:2024-07-16 出版日期:2025-08-28 发布日期:2025-09-23
作者简介:田校宇(1990—),男,硕士研究生,工程师,研究方向为冲击动力学、飞机结构强度设计,tianxiaoyu@comac.cc。

Analysis of anti-bird strike performance on GLARE laminate structure

TIAN Xiaoyu¹, ZHANG Fa¹, JI Shengcheng², SHI Chen², WU Xiaoguang², LIN Dakai²

1. Beijing Key Laboratory of Commercial Aircraft Structures and Composite Materials, COMAC Beijing Aircraft Technology Research Institute, Beijing 102211, China;
2. COMAC Beijing Aircraft Technology Research Institute, Beijing 102211, China

Received:2024-07-16 Online:2025-08-28 Published:2025-09-23

摘要/Abstract

摘要： 随着航空技术的发展,飞机的速度不断提高,飞机在起飞、着陆阶段受到鸟体撞击的概率大幅增加,严重时会造成飞机的坠毁。为了飞机的安全,CCAR25适航规章对民机前缘结构抗冲击方面进行了相关评判和规定。玻璃纤维增强铝合金(Glass Fiber Reinforced Aluminum,GLARE)材料作为一种抗冲击性能较好的材料,已被应用于成熟机型(例如A380)尾翼前缘结构。本文首先对GLARE前缘结构抗鸟撞分析方法及理论进行了介绍,对分析方法进行了抗鸟撞试验验证,其次采用显式动力学分析软件LS-DYNA对四种相同厚度不同纤维排列方式的GLARE前缘结构进行了分析,最后对不同曲率的GLARE层板结构进行了分析研究,得到了GLARE层板结构破坏损伤情况、结构吸能、应力状态和鸟体撞击力等,发现铺层方式为3/2[A/+45/-45/+45/-45/A/+45/-45/+45/-45/A]、曲率半径为100 mm的GLARE层板抗冲击特性最为优异。

关键词: GLARE材料, 层板结构, 鸟撞分析, 试验验证

Abstract: With the development of aeronautical technologies, the speed of aircraft is improved dramatically. The probability of bird impact on aircraft during take-off and landing is greatly increased. It will result in the aircraft crash. In order to guarantee flight safety, CCAR25 airworthiness regulations have made relevant requirements for impact resistance of the leading-edge structure. Glass fiber reinforced aluminum (GLARE) as a kind of material with good impact resistance, it has been applied to the empennage leading-edge structures such as A380. In this paper, firstly, the methods and theory of anti-bird strike for GLARE leading edge structure is introduced. The analytical method has been verified. Secondly, the finite element analysis method and explicit impact software LS-DYNA is used, the four same thickness but different lay-up of GLARE leading edge structure has been studied. Thirdly, the study is conducted on different curvature GLARE laminate structure. According to analysis the failure mode, the results shows that the deformation and failure of GLARE laminate structure, structure energy absorption, stress nephogram and bird strike force. It is found that the GLARE laminate structure with 3/2[A/+45/-45/+45/-45/A/+45/-45/+45/-45/A] and curvature radius of 100 mm has the best impact resistance.

Key words: GLARE material, laminate structure, bird strike analysis, test verification

中图分类号:

TB332

田校宇, 张发, 汲生成, 石晨, 吴晓光, 林大楷. GLARE层板结构抗鸟撞性能分析[J]. 复合材料科学与工程, 2025, 0(8): 132-141.

TIAN Xiaoyu, ZHANG Fa, JI Shengcheng, SHI Chen, WU Xiaoguang, LIN Dakai. Analysis of anti-bird strike performance on GLARE laminate structure[J]. COMPOSITES SCIENCE AND ENGINEERING, 2025, 0(8): 132-141.

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GLARE层板结构抗鸟撞性能分析

Analysis of anti-bird strike performance on GLARE laminate structure

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