Energy absorption characteristics of energy⁃absorbing elements of civil aircraft flap crosslinking mechanism

被引：0

作者：

Gao Y. ^{[1
]}

Lu J. ^{[1
]}

Fang J. ^{[1
]}

Zhou X. ^{[2
]}

Xi B. ^{[3
]}

机构：

[1] Shanghai Aircraft Design and Research Institute, Commercial Aircraft Corporation of China, Limited, Shanghai

[2] School of Aeronautics, Northwestern Polytechnical University, Xi'an

[3] Aviation Equipment Research Institute, Qing'an Group Company, Limited, Aviation Industry Corporation of China，Limited, Xi'an

来源：

Hangkong Dongli Xuebao/Journal of Aerospace Power | 2022年 / 37卷 / 08期

关键词：

bellows; dropping-hammer impact test; energy-absorbing element; expansion tube; flap crosslinking mechanism; numerical simulation analysis;

D O I：

10.13224/j.cnki.jasp.20210320

中图分类号：

学科分类号：

摘要：

The energy absorption characteristics of expansion tube and bellows were explored by combining finite element analysis and impact test：the test process of energy-absorbing element was preliminarily mastered through numerical simulation analysis， and the irrationality of test design was corrected according to the impact test results；then the dynamic impact test of two kinds of energy-absorbing elements was carried out to explore their energy absorption characteristics. Finally，the test results of finite element simulation analysis and dropping-hammer impact test were compared and analyzed to select the energy-absorbing element with ideal effect to be applied to the flap crosslinking mechanism. The results showed that the bellows were the most suitable energy absorbing element for interconnecting strut，irrespective of considering the energy absorbing stroke，energy absorbing stability or the design of energy absorbing structure. The specific energy absorption of bellows was large. The energy absorption process was gentle and stable. There was only plastic deformation after absorbing energy and the structure was not damaged. Besides，the energy absorption stroke of bellows was short and the energy absorption structure was simple，making it convenient for installation and disassembly. © 2022 BUAA Press. All rights reserved.

引用

页码：1771 / 1779

页数：8

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