Wavelet analysis for damage identification in composite structures

Grabowska, J. and Palacz, M. and Krawczuk, M. and Ostachowicz, W. and Trendafilova, Irina and Manoach, E. and Cartmell, M. (2007) Wavelet analysis for damage identification in composite structures. Key Engineering Materials, 347. pp. 253-258. ISSN 1013-9826

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Official URL: https://doi.org/10.4028/www.scientific.net/KEM.347...

Abstract

The main aspect of the paper is to give an answer to the question of what specific kind of defect has actually occurred in a structure and how to distinguish between different kinds of discontinuities. For this purpose composite rods and beams with fatigue cracks, step changes in cross-sectional area and small changes in material properties have been investigated. The objective of the work has been to propose a signal processing methodology based on wavelet transformation for identification of specific discontinuity. The identification of a fatigue crack from other discontinuities has been demonstrated. It has been also found that the proposed methodology might be useful for precise indication of the size of the identified fatigue damage.

Creators(s):	Grabowska, J., Palacz, M., Krawczuk, M., Ostachowicz, W., Trendafilova, Irina ORCID: https://orcid.org/0000-0003-1121-7718, Manoach, E. and Cartmell, M. ORCID: https://orcid.org/0000-0002-3982-6315;
Item type:	Article
ID code:	57335
Keywords:	damage detection, wave propagation, wavelet analysis, Mechanical engineering and machinery, Mechanics of Materials, Materials Science(all), Mechanical Engineering
Subjects:	Technology > Mechanical engineering and machinery
Department:	Faculty of Engineering > Mechanical and Aerospace Engineering
Depositing user:	Pure Administrator
Date deposited:	10 Aug 2016 09:22
Last modified:	09 Jul 2020 02:26
Related URLs:	Scopus publication
URI:	https://strathprints.strath.ac.uk/id/eprint/57335
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