Damage Assessment for a Sandwich-Like Panel Using Experimental and Numerical Analysis of Guided Waves

Balasubramaniam, Kaleeswaran, Fiborek, Piotr, Sikdar, Shirsendu and Malinowski, Pawel H. (2021) Damage Assessment for a Sandwich-Like Panel Using Experimental and Numerical Analysis of Guided Waves. In: Advances in Non-destructive Evaluation - Proceedings of NDE 2019. Lecture Notes in Mechanical Engineering . Springer Science and Business Media Deutschland GmbH, IND, pp. 73-84. ISBN 9789811601859

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The presence of damage significantly affects the system’s performance. Various damage detection methods are available to identify damage in engineering structures. The guided wave propagation-based nondestructive evaluation (NDE) methods have proven their potential to effectively identify damage in such advanced structures due to the long-distance inspection capability and the capacity to interrogate the whole thickness of a structure. Therefore, in the present study, the laser Doppler vibrometer (LDV) and numerical simulations are used to study the guided wave propagation and their capabilities to identify different types of damage regions in a sandwich-like structure comprising of an aramid core and aluminum skin. The piezoelectric sensor-based excitation is used. The damage involved in this study is barely visible impact damage (BVID) of different diameters and a hole. The presence of damages causes abrupt changes to the wave field of the guided waves. Full field and elliptical-based signal processing methods are used in determining the region of damage. Thus, the damage region is visualized in this comparative study.

Item Type: Book Section
Additional Information: Funding Information: Acknowledgments The authors would like to acknowledge the support funding provided by the National Science Center, Poland under SONATA BIS project titled: Study of piezoelectric sensors placement and their interaction with structural elements (2016/22/E/ST8/00068). Funding Information: The research was also funded by the Polish National Science Center under grant agreement no UMO-2018/31/N/ST8/02865 in the frame of PRELUDIUM project entitled: Model-assisted damage identification function for Structural Health Monitoring of composite structures under a varied environmental condition. The authors also acknowledge Task-CI for allowing the use of computational resources. Publisher Copyright: © 2021, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.
Uncontrolled Keywords: barely visible impact damage,guided waves,lamb waves,laser vibrometry,automotive engineering,aerospace engineering,mechanical engineering,fluid flow and transfer processes ,/dk/atira/pure/subjectarea/asjc/2200/2203
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Depositing User: LivePure Connector
Date Deposited: 10 Nov 2021 08:26
Last Modified: 10 Nov 2021 08:26
URI: https://ueaeprints.uea.ac.uk/id/eprint/82029
DOI: 10.1007/978-981-16-0186-6_8

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