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Proceedings Paper

Monitoring vibration of sandwich plates and delamination detection with fibre optic sensors
Author(s): Alf Egil Jensen; Helge Storoey; Fridtjov Irgens; Ole Johan Lokberg; Gunnar Wang
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Paper Abstract

The experimental feasibility study using fiber optic sensors, strain gauges and speckleinterferometry (ESPI), indicates that delamination in FRP-sandwich structures can be detected by monitoring changes in the vibrational resonance frequencies. The frequencies are also determined analytically.

Paper Details

Date Published: 13 September 1994
PDF: 4 pages
Proc. SPIE 2361, Second European Conference on Smart Structures and Materials, (13 September 1994); doi: 10.1117/12.184810
Show Author Affiliations
Alf Egil Jensen, Norwegian Defence Research Establishment (Norway)
Helge Storoey, Univ. of Trondheim (Norway)
Fridtjov Irgens, Univ. of Trondheim (Norway)
Ole Johan Lokberg, Univ. of Trondheim (Norway)
Gunnar Wang, Norwegian Defence Research Establishment (Norway)

Published in SPIE Proceedings Vol. 2361:
Second European Conference on Smart Structures and Materials
Alaster McDonach; Peter T. Gardiner; Ron S. McEwen; Brian Culshaw, Editor(s)

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