Novel Experimental Method for Determining Axial Compression Buckling Behaviour of Ultra-Length Foldable Thin-Walled Lenticular Composite Tube

LIN Qiuhong; BAI Jiangbo; CONG Qiang

doi:10.16080/j.issn1671-833x.2019.04.051

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Novel Experimental Method for Determining Axial Compression Buckling Behaviour of Ultra-Length Foldable Thin-Walled Lenticular Composite Tube

更新时间：2025-10-30

- Novel Experimental Method for Determining Axial Compression Buckling Behaviour of Ultra-Length Foldable Thin-Walled Lenticular Composite Tube
- Aeronautical Manufacturing Technology Vol. 62, Issue 4, Pages: 51-55(2019)
- 作者机构：
  
  1. 北京空间飞行器总体设计部,北京,100094
  2. 北京航空航天大学交通科学与工程学院,北京,100191
- 作者简介：
- 基金信息：
- DOI：10.16080/j.issn1671-833x.2019.04.051
  CLC：
- Published：2019
- 稿件说明：
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林秋红，白江波，从强. 超长可折叠复合材料豆荚杆轴向压缩屈曲性能测定方法[J]. 航空制造技术, 2019, 62(4): 51-55.

LIN Qiuhong, BAI Jiangbo, CONG Qiang. Novel Experimental Method for Determining Axial Compression Buckling Behaviour of Ultra-Length Foldable Thin-Walled Lenticular Composite Tube. Aeronautical Manufacturing Technology, 2019, 62(4): 51-55.
林秋红，白江波，从强. 超长可折叠复合材料豆荚杆轴向压缩屈曲性能测定方法[J]. 航空制造技术, 2019, 62(4): 51-55. DOI： 10.16080/j.issn1671-833x.2019.04.051.

LIN Qiuhong, BAI Jiangbo, CONG Qiang. Novel Experimental Method for Determining Axial Compression Buckling Behaviour of Ultra-Length Foldable Thin-Walled Lenticular Composite Tube. Aeronautical Manufacturing Technology, 2019, 62(4): 51-55. DOI： 10.16080/j.issn1671-833x.2019.04.051.

摘要

提出了一种可用于测定具有超长尺度的可折叠薄壁复合材料豆荚杆的轴向压缩屈曲性能的试验方法，该方法突破了通用试验平台的制约，设计并搭建了一套适用于超长尺寸可折叠复合材料豆荚杆轴向压缩试验的测试系统，利用该系统测定了6m 长复合材料豆荚杆轴向压缩屈曲失稳载荷。为了进一步验证测试结果的有效性，建立了复合材料豆荚杆特征值屈曲有限元分析模型，将测得的轴向压缩屈曲失稳载荷与有限元模拟分析结果进行对比验证，二者吻合良好。研究结果表明，设计的测试系统可有效测定超长尺寸复合材料豆荚杆的轴向压缩屈曲性能。

Abstract

This paper seeks to address practical experimental techniques on axial compression behaviors of flexible foldable lenticular composite tube (LCT) with ultra length. A testing system was designed and established to determine the axial compression behaviors of ultra-length LCT

and the axial compression stiffness and buckling load of LCT with the length of 6m were measured by this testing system. In order to verify the measurement from the novel experimental method

eigenvalue buckling FEA model of the LCT with the length of 6m was established to predict the axial compression buckling load that have a good agreement with the experimental data. It is shown that the new developed testing system can accurately and expediently determine the axial compression behaviors of ultra-length LCT .

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