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Proceedings Paper

Theoretical and experimental studies of Lamb wave propagation in attenuative composites
Author(s): Mircea Calomfirescu; Axel S. Herrmann
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Paper Abstract

This paper presents a theoretical model for anisotropic wave attenuation in composites. The model has been implemented in a software called FIBREWAVE in order to predict dispersion and attenuation of S0, A0 and SH0 Lamb wave modes. The required input data are the complex stiffness matrix coefficients of the unidirectional plies of the laminate, which have been measured by a laser interferometry method. Complex stiffness data for an unidirectional CFRP laminates are moreover presented. Satisfactory agreement has been observed between predicted and experimental group velocities and wave attenuations.

Paper Details

Date Published: 10 April 2007
PDF: 9 pages
Proc. SPIE 6529, Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007, 652929 (10 April 2007); doi: 10.1117/12.736702
Show Author Affiliations
Mircea Calomfirescu, Faserinstitut Bremen e.V., Univ. of Bremen (Germany)
Univ. of South Carolina (United States)
Axel S. Herrmann, Faserinstitut Bremen e.V., Univ. of Bremen (Germany)


Published in SPIE Proceedings Vol. 6529:
Sensors and Smart Structures Technologies for Civil, Mechanical, and Aerospace Systems 2007
Masayoshi Tomizuka; Chung-Bang Yun; Victor Giurgiutiu, Editor(s)

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