舰载机前机身结构地面弹射冲击响应

doi:10.7527/S1000-6893.2017.21711

固体力学与飞行器总体设计

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舰载机前机身结构地面弹射冲击响应

何敏¹, 朱小龙¹, 刘晓明¹, 刘凡², 姚小虎²

1. 航空工业成都飞机工业(集团)有限责任公司, 成都 610092;
2. 华南理工大学土木与交通学院工程力学系, 广州 510640

收稿日期:2017-08-31 修回日期:2018-01-24 出版日期:2018-05-15 发布日期:2018-01-24
通讯作者: 姚小虎,E-mail:yaoxh@scut.edu.cn E-mail:yaoxh@scut.edu.cn
基金资助:
国家自然科学基金（11372113，11472110，11672110）

Impact response of ground ejection of front fuselage structure of carrier-based aircraft

HE Min¹, ZHU Xiaolong¹, LIU Xiaoming¹, LIU Fan², YAO Xiaohu²

1. AVIC Chengdu Aircraft Industrial(Group) Co., Ltd., Chengdu 610092, China;
2. Department of Engineering Mechanics, School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China

Received:2017-08-31 Revised:2018-01-24 Online:2018-05-15 Published:2018-01-24
Supported by:
National Natural Science Foundation of China (11372113,11472110,11672110)

摘要/Abstract

摘要： 以舰载机前机身结构和前起落架部分构件为研究对象，分析其在地面弹射过程中，弹射力冲击下的动态响应。通过地面弹射模拟试验和刚柔耦合模拟对比分析，发现试验结果与模拟结果基本吻合，从而验证了地面模拟弹射冲击加载试验方法的可靠性及刚柔耦合模拟方法的可行性。由试验结果和模拟分析，可得出弹射过程中飞机前机身结构最大过载传递路径和应变分布，同时给出了前机身动态应力分布。地面弹射试验和模拟为舰载机的结构设计、强度校核以及整机弹射试验提供了参考依据。

关键词: 舰载机, 地面弹射, 冲击加载, 动态响应, 刚柔耦合模拟

Abstract: In this paper, the front fuselage structure of a carrier-based aircraft and some components of the nose landing gears are studied. The dynamic responses of the structure under the impact force during the ejection process are analyzed. A comparison is made between the ground ejection test and rigid-flexible coupling simulation. The test results are found to be consistent with the simulation results, verifying the feasibility and reliability of the ground ejection impact test and the method of rigid-flexible coupling simulation. Based on the test and simulation results, the maximum overload transferring paths are obtained, as well as the strain and stress distribution of the aircraft fuselage structure during the ejection process. The results of the ground ejection test and simulation can provide reference to structure design, strength check and the whole aircraft ejection test for the carrier-based aircraft.

Key words: carrier-based aircraft, ground ejection, impact loading, dynamic response, rigid flexible coupling simulation

中图分类号:

V212

何敏, 朱小龙, 刘晓明, 刘凡, 姚小虎. 舰载机前机身结构地面弹射冲击响应[J]. 航空学报, 2018, 39(5): 221711-221711.

HE Min, ZHU Xiaolong, LIU Xiaoming, LIU Fan, YAO Xiaohu. Impact response of ground ejection of front fuselage structure of carrier-based aircraft[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2018, 39(5): 221711-221711.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

舰载机前机身结构地面弹射冲击响应

Impact response of ground ejection of front fuselage structure of carrier-based aircraft

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