Sensor location studies for damage detection in aerospace structures using 3D scanning laser vibrometry

Marks, Ryan ORCID: https://orcid.org/0000-0003-0623-7044, Clarke, Alastair ORCID: https://orcid.org/0000-0002-3603-6000, Featherston, Carol Ann ORCID: https://orcid.org/0000-0001-7548-2882, Paget, Christophe and Pullin, Rhys ORCID: https://orcid.org/0000-0002-2853-6099 2015. Sensor location studies for damage detection in aerospace structures using 3D scanning laser vibrometry. Presented at: 34th Conference and 28th Symposium of the International Committee on Aeronautical Fatigue and Structural Integrity, Helsinki, Finland, 1-5 June 2015. ICAF 2015 Structural Integrity: Embracing the Future - respecting the past; supporting aging fleets with new technologies - Proc. 34th Conf. & 28th Symposium of the International Committee on Aeronautical Fatigue & Structural Integrity. Espoo, Finland: VTT Technical Research Centre of Finland Ltd, pp. 808-818.

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Abstract

With the increasing complexity of aircraft structures and materials there is an essential need to continually monitor the structure for damage. This also drives the requirement to optimize the location of sensors for damage detection to ensure full coverage of the structure whilst minimizing the number of sensors required, hence reducing costs, weight and data processing requirements. An experimental study using 3D scanning laser vibrometry was carried out to investigate Lamb wave interaction with a disbonded stiffener. A computational study using local interaction simulation approach was carried out for comparison with the experimental results, and was found to produce good results which compared qualitatively with the experimental results. This demonstrated that the simulation technique is well suited for performing sensor location studies for active sensor networks and has the potential to serve as a useful tool for damage detection sensor network designers.

Item Type:	Conference or Workshop Item (Paper)
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	T Technology > TJ Mechanical engineering and machinery
Publisher:	VTT Technical Research Centre of Finland Ltd
ISBN:	9789513874421
Last Modified:	15 Mar 2024 07:22
URI:	https://orca.cardiff.ac.uk/id/eprint/74078

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