基于非正交空气耦合超声导波和伪影-还原损伤指数的复合材料分层损伤定位

IF 3.4 2区物理与天体物理 Q1 ACOUSTICS

Applied Acoustics Pub Date : 2024-10-05 DOI:10.1016/j.apacoust.2024.110326

Jing Sun, Hui Zhang, Xiaobo Rui, Zhoumo Zeng, Lixin Xu

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引用次数: 0

摘要

本研究的重点是复合材料分层损伤的定位。由于空气耦合超声波在气固耦合界面的衰减，空气耦合超声波信号的信噪比较低，导致损伤检测精度不高。本文提出了一种复合材料分层损伤定位方法。该方法采用非正交空气耦合超声波导波进行 B 扫描，并根据含有损伤信息的扫描路径占整个扫描路径的比例设计了减少伪影损伤指数（ARDI）。这两种精巧的设计提高了检测精度。最后，计算出损伤发生的概率，实现损伤位置检测，损伤定位误差小于 1.5%。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Composite delamination damage location based on non-orthogonal air-coupled ultrasonic guided waves and Artifact-Reduction damage index

This study focuses on the localization of delamination damage in composite materials. Due to the attenuation of the air-coupled ultrasound at the gas–solid coupling interface, the signal-to-noise ratio of the air-coupled ultrasonic signal is low, which results in low accuracy of damage detection. This paper proposes a method to locate delamination damage in composite materials. This method uses non-orthogonal Air-coupled Ultrasonic Guided Waves for B-scan; an artifact-reduction damage index (ARDI) is designed with the proportion of the scan paths containing damage information to the entire scan paths. These two exquisite designs improve detection accuracy. Finally, the probability of damage occurrence is calculated, and the detection of the damage location is achieved, with the positioning error of the damage being less than 1.5%.

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来源期刊

Applied Acoustics 物理-声学

CiteScore

7.40

自引率

11.80%

发文量

618

审稿时长

7.5 months

期刊介绍： Since its launch in 1968, Applied Acoustics has been publishing high quality research papers providing state-of-the-art coverage of research findings for engineers and scientists involved in applications of acoustics in the widest sense. Applied Acoustics looks not only at recent developments in the understanding of acoustics but also at ways of exploiting that understanding. The Journal aims to encourage the exchange of practical experience through publication and in so doing creates a fund of technological information that can be used for solving related problems. The presentation of information in graphical or tabular form is especially encouraged. If a report of a mathematical development is a necessary part of a paper it is important to ensure that it is there only as an integral part of a practical solution to a problem and is supported by data. Applied Acoustics encourages the exchange of practical experience in the following ways: • Complete Papers • Short Technical Notes • Review Articles; and thereby provides a wealth of technological information that can be used to solve related problems. Manuscripts that address all fields of applications of acoustics ranging from medicine and NDT to the environment and buildings are welcome.