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弹箭与制导学报 >

2024 , Vol. 44 >Issue 1: 20 - 24

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2024.01.004

径向压缩下舱体连接电缆力学行为研究

  • 郝予琛 1 ,
  • 许斌 1 ,
  • 张晓宏 1 ,
  • 刘广 1 ,
  • 孙文钊 1 ,
  • 李昱霖 1 ,
  • 许泉 1 ,
  • 林木森 2
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  • 1 上海机电工程研究所,上海 201109
  • 2 清华大学核能与新能源技术研究院,北京 100084
林木森(1994—),男,博士,研究方向:固体力学、振动力学。

郝予琛(1996—),男,工程师,博士,研究方向:飞行器结构设计、冲击动力学及轻量化技术。

收稿日期: 2023-11-22

  网络出版日期: 2024-12-28

基金资助

国家重点研发计划(2022YFB3705304)

国防基础科研计划项目(JCKV2023333)

中国航天科技集团钱学森青年创新基金(QXSCXJJ2023048)

收起

Mechanical Behavior of Connecting Cable in Cabin under Radial Compression

  • HAO Yuchen 1 ,
  • XU Bin 1 ,
  • ZHANG Xiaohong 1 ,
  • LIU Guang 1 ,
  • SUN Wenzhao 1 ,
  • LI Yulin 1 ,
  • XU Quan 1 ,
  • LIN Musen 2
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  • 1 Shanghai Electro-mechanical Engineering Institute, Shanghai 201109, China
  • 2 Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China

Received date: 2023-11-22

  Online published: 2024-12-28

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摘要

为了研究径向压缩下电缆的力学行为,以飞行器舱体连接电缆为研究对象,基于接触理论建立电缆接触模型以描述内部导线间的接触和摩擦行为,采用数值试验模拟径向压缩过程并开展试验验证。结果表明:连接电缆在径向挤压作用下截面由圆形变形为蝴蝶型,处于蝴蝶型最窄处的内部导线出现最大应力;电缆初始位置对蝴蝶形状与导线应力都有较大影响。结合验证试验确定了径向载荷下电缆最危险工况。研究结果可为电缆损伤监测与判断提供理论参考。

关键词： 飞行器; 连接电缆; 径向压缩; 接触理论

本文引用格式

郝予琛 , 许斌 , 张晓宏 , 刘广 , 孙文钊 , 李昱霖 , 许泉 , 林木森 . 径向压缩下舱体连接电缆力学行为研究[J]. 弹箭与制导学报, 2024 , 44(1) : 20 -24 . DOI: 10.15892/j.cnki.djzdxb.2024.01.004

Abstract

To investigate the mechanical behavior of cable under radial compression, this article takes the connecting cable in aircraft as the research object. The contact theory is used to describe the contact and friction behavior between internal wires. Numerical calculations are used to simulate the cable response under radial compression, and then followed by the experimental verification. The results show that the circular cross-section of the connecting cable has been changed to a butterfly shape, and the internal wire at the center of the butterfly shape has the maximum stress. The initial position of the cable has great influence on the butterfly shape and stress of wires. Based on the validation test, the most dangerous condition for cable under radial compression is proposed. The research results have significant reference for predicting and monitoring the damage of cable.

Key words： aircraft; connecting cable; radial compression; contact theory

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