Acoustic emission waveform propagation and source localization in advanced sandwich composite structure

Sikdar, Shirsendu, Mirgal, Paresh, Banerjee, Sauvik and Ostachowicz, Wiesław (2018) Acoustic emission waveform propagation and source localization in advanced sandwich composite structure. In: 9th European Workshop on Structural Health Monitoring, 2018-07-10 - 2018-07-13.

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This paper presents a combined finite element simulation and experimental analysis of damage-induced acoustic emission (AE) in advanced sandwich composite structures (ASCS). Towards this, finite element analysis of AE-wave propagation in a honeycomb-core ASCS with AE-sensor network is carried out in ABAQUS. The numerical simulation results are then successfully verified with laboratory experiments. Finally, the most probable damage source locations are effectively identified using the registered AE signals. A thorough assessment of different damage-source locations was carried out to evaluate the performance of the proposed online AE-source monitoring technique. The results distinctly represent the effectiveness of the proposed online monitoring framework for detecting damage growth/initiation induced AE-source locations in such multi-layered complex structures. Moreover, the proposed framework does not depend upon the operator’s expertise.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Funding Information: The authors wish to acknowledge the support received from Board of Research in Nuclear Sciences (BRNS), India for creating the AE facility at IIT Bombay. SS acknowledges the support from the Polish National Science Centre under grant agreement number UMO-2016/23/N/ST8/01326. Publisher Copyright: © 2018 All rights reserved.
Uncontrolled Keywords: acoustic emission,advanced sandwich composite structure,ae-sensors,damage,online structural health monitoring,civil and structural engineering,architecture ,/dk/atira/pure/subjectarea/asjc/2200/2205
Faculty \ School: Faculty of Science > School of Engineering
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Depositing User: LivePure Connector
Date Deposited: 10 Nov 2021 08:30
Last Modified: 21 Apr 2023 01:51

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