Nonlinear vibroacoustic wave modulations for structural damage detection: an overview

Lukasz Pieczonka; Andrzej Klepka; Adam Martowicz; Wieslaw J. Staszewski

doi:10.1117/1.OE.55.1.011005

11 September 2015 Nonlinear vibroacoustic wave modulations for structural damage detection: an overview

Lukasz Pieczonka, Andrzej Klepka, Adam Martowicz, Wieslaw J. Staszewski

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Optical Engineering, Vol. 55, Issue 1, 011005 (September 2015). https://doi.org/10.1117/1.OE.55.1.011005

Abstract

We present an overview of research developments related to the nonlinear vibroacoustic modulation technique used for structural damage detection. The method of interest is based on nonlinear interactions of a low-frequency pumping wave and a high-frequency probing wave. These two waves are introduced to monitored structures simultaneously. Then the presence of damage is exhibited by additional frequency components that result from nonlinear damage-wave interactions. A vast amount of research has been performed in this area over the last two decades. We aim to present the state-of-the-art of these developments. The major focus is on monitoring approaches, modeling aspects, actuation/sensing, signal processing, and application examples.

Pieczonka, Klepka, Martowicz, and Staszewski: Nonlinear vibroacoustic wave modulations for structural damage detection: an overview

CC BY: © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Lukasz Pieczonka, Andrzej Klepka, Adam Martowicz, and Wieslaw J. Staszewski "Nonlinear vibroacoustic wave modulations for structural damage detection: an overview," Optical Engineering 55(1), 011005 (11 September 2015). https://doi.org/10.1117/1.OE.55.1.011005

Published: 11 September 2015

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KEYWORDS

Modulation

Damage detection

Transducers

Nonlinear optics

Signal processing

Ultrasonics

Acoustics

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