Journal Article10.1016/j.ymssp.2023.110134
Phased array imaging for damage localization using multi-narrowband Lamb waves
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TL;DR: In this article , a multi-narrowband fusion method was proposed to improve the image quality of Lamb wave phased array imaging, where the information of multinarrowband Lamb waves with different carrier frequencies was fused using the geometric mean.
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About: This article is published in Mechanical Systems and Signal Processing. The article was published on 01 May 2023. The article focuses on the topics: Narrowband & Phased array.
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Combining circular laser sensing array with MUSIC algorithm for fast damage localization
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- 01 Nov 2023
TL;DR: A novel damage localization method combines circular laser sensing arrays with the MUSIC algorithm, enabling rapid detection of damages in large-scale thin-walled structures with high efficiency and angular resolution within 1.3 seconds.
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Energy focusing of broadband Lamb wave by designing excitation waveforms and elastic metamaterials.
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TL;DR: A novel energy focusing method for broadband Lamb waves is proposed, combining optimized excitation waveforms and elastic metamaterials, enhancing damage localization in structure health monitoring with higher SNR and resolution.
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References
Guided Lamb waves for identification of damage in composite structures: A review
Zhongqing Su,Lin Ye,Ye Lu +2 more
TL;DR: A comprehensive review on the state of the art of Lamb wave-based damage identification approaches for composite structures, addressing the advances and achievements in these techniques in the past decades, is provided in this paper.
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TL;DR: This paper describes an alternative approach in which the full matrix of time domain signals from every transmitter–receiver pair is captured and post-processed and shown to offer significant performance advantages for NDE.
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