Simulation and guided wave-based monitoring of damage evolution of the stiffened composite open panel under shear loads

WANG Ying; CHEN Jian; YUAN Shenfang

doi:10.16579/j.issn.1001.9669.2026.07.007

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Simulation and guided wave-based monitoring of damage evolution of the stiffened composite open panel under shear loads

·Fatigue·Damage·Fracture·Failure Analysis· | 更新时间：2026-07-17

- Simulation and guided wave-based monitoring of damage evolution of the stiffened composite open panel under shear loads
- Journal of Mechanical Strength Vol. 48, Issue 7, Pages: 59-66(2026)
- 作者机构：
  
  南京航空航天大学航空航天结构力学及控制全国重点实验室，南京 210016
- 作者简介：
  
  CHEN Jian, E-mail: cj1108@nuaa.edu.cn
- 基金信息：
  
  Jiangsu Provincial Frontier Technology Research and Development Program(BF2024068);General Program of National Natural Science Foundation of China(52275153);Fundamental Research Funds for the Central Universities(NI2023001);Independent Research Project of State Key Laboratory of Mechanics and Control for Mechanical Structures (Nanjing University of Aeronautics and Astronautics)(MCAS-I-0423G01);Forward-looking Research Special Fund of Nanjing University of Aeronautics and Astronautics
- DOI：10.16579/j.issn.1001.9669.2026.07.007
  CLC： V214.8
- Received：11 September 2024，
  
  Revised：2024-10-31，
  
  Online First：17 July 2026，
  
  Published：15 July 2026
- 稿件说明：
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王樱，陈健，袁慎芳. 剪切载荷下加筋开口复材壁板损伤演化仿真及导波监测［J］. 机械强度，2026，48（7）：59-66.

Wang Ying，Chen Jian，Yuan Shenfang. Simulation and guided wave-based monitoring of damage evolution of the stiffened composite open panel under shear loads［J］. Journal of Mechanical Strength，2026，48（7）：59-66.
王樱，陈健，袁慎芳. 剪切载荷下加筋开口复材壁板损伤演化仿真及导波监测［J］. 机械强度，2026，48（7）：59-66. DOI： 10.16579/j.issn.1001.9669.2026.07.007.

Wang Ying，Chen Jian，Yuan Shenfang. Simulation and guided wave-based monitoring of damage evolution of the stiffened composite open panel under shear loads［J］. Journal of Mechanical Strength，2026，48（7）：59-66. DOI： 10.16579/j.issn.1001.9669.2026.07.007.

摘要

目的

典型航空结构纵横加筋大开口复材壁板在服役剪切载荷下常发生筋条脱粘，对其损伤演化过程进行仿真和在线监测对保障结构安全、降低运维成本至关重要。目前面向纵横加筋大开口复材壁板的渐进损伤仿真的研究数量有限，且针对其真实脱粘损伤演化过程的导波定量监测的研究更为少见。为解决该问题，开展剪切载荷下加筋开口复材壁板损伤演化仿真及导波监测研究。

方法

首先，构建剪切载荷下纵横加筋大开口复材壁板的渐进损伤有限元模型，获取结构的损伤演化过程；其次，采用压电导波方法，开展筋条脱粘损伤演化过程的在线监测；然后，基于仿真，获取“脱粘程度-载荷”演化结果，构建“脱粘程度-损伤因子”的损伤量化导波在线监测模型；最后，通过剪切试验验证仿真的有效性。

结果

结果表明，所提模型能够实现剪切载荷下加筋开口复材壁板脱粘损伤的在线定量监测。

Abstract

Objective

Stiffener debonding frequently occurs in longitudinal-transverse stiffened composite panels with large cutouts of typical aerospace structure under in-service shear loading. Simulation and online monitoring of the damage evolution process are critical to structural safety guarantee and operation and maintenance cost reduction. However

few studies have focused on the progressive damage simulation of longitudinal-transverse stiffened composite panels with large cutouts

and quantitative guided wave monitoring for the real debonding damage evolution process is rarely reported. To solve this problem

research on damage evolution simulation and guided wave monitoring of stiffened composite panels with cutouts under shear loading was carried out.

Methods

Firstly

the modeling method of the progressive damage finite element model for longitudinal-transverse stiffened composite panels with large cutouts under shear loading was investigated

and the structural damage evolution process was obtained. Secondly

the piezoelectric guided wave technique was adopted to carry out online monitoring research on the entire evolution process of stiffener debonding. Thirdly

based on the simulated evolution results of "debonding degree-load"

a quantitative online guided wave monitoring model characterized by "debonding degree-damage factor" was established. Finally

shear tests were performed to verify the effectiveness of the simulation.

Results

The results show that the proposed model can realize online quantitative monitoring of stiffener debonding damage in stiffened composite panels with cutouts under shear loading.

关键词

Keywords

references

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