Nonlinear Crack-Wave Modulations in Shear Horizontal Wave Propagation for Fatigue Crack Detection

IF 4.3 2区工程技术 Q1 ACOUSTICS

Journal of Sound and Vibration Pub Date : 2024-10-01 DOI:10.1016/j.jsv.2024.118758

Rafał Radecki , Wojciech Trybulec , Mariusz Osika , Wiesław J. Staszewski

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Abstract

The nonlinear interaction of shear horizontal waves with fatigue cracks is investigated for structural damage detection. The focus is on the non-classical modulation effect in the presence of damage. The major principle of the method is explained theoretically and supported by a semi-analytical solution. The method is tested experimentally in aluminium beams with fatigue cracks. A combination of high-frequency ultrasonic and low-frequency vibration shear excitations are introduced to monitored beam components using low-profile piezoceramic shear actuators. Nonlinear vibro-acoustic responses are gathered using laser vibrometry. Vibration excitation frequencies are selected using experimental and numerical modal analysis. A series of vibro-acoustic experiments is performed for fatigue crack detection. The results show that the non-classical nonlinear vibro-acoustic effect – based on shear horizontal wave propagation – can be used for crack detection. In addition, the method also allows for damage localisation.

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用于疲劳裂纹检测的剪切水平波传播中的非线性裂纹波调制

研究了剪切水平波与疲劳裂纹的非线性相互作用，以用于结构损伤检测。重点是存在损伤时的非经典调制效应。理论上解释了该方法的主要原理，并辅以半解析解。该方法在出现疲劳裂纹的铝横梁上进行了实验测试。使用扁平压电陶瓷剪切激励器，将高频超声波和低频振动剪切激励相结合，引入到受监测的梁部件中。使用激光测振仪收集非线性振动声学响应。通过实验和数值模态分析选择振动激励频率。为疲劳裂纹检测进行了一系列振动声学实验。结果表明，基于剪切水平波传播的非经典非线性振动声学效应可用于裂纹检测。此外，该方法还能进行损伤定位。

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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来源期刊

Journal of Sound and Vibration 工程技术-工程：机械

CiteScore

9.10

自引率

10.60%

发文量

551

审稿时长

69 days

期刊介绍： The Journal of Sound and Vibration (JSV) is an independent journal devoted to the prompt publication of original papers, both theoretical and experimental, that provide new information on any aspect of sound or vibration. There is an emphasis on fundamental work that has potential for practical application. JSV was founded and operates on the premise that the subject of sound and vibration requires a journal that publishes papers of a high technical standard across the various subdisciplines, thus facilitating awareness of techniques and discoveries in one area that may be applicable in others.