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On the propagation of Lamb Waves in Viscoelastic Composites for SHM Applications

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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 A0 Lamb wave modes. The required input data are the complex stiffness matrix coefficients of the unidirectional plies of the composites, which have been measured by an immersion technique. Good agreement has been observed between predicted and experimental group velocities and wave attenuations.

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Periodical:

Key Engineering Materials (Volume 347)

Pages:

543-548

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.347.543

Citation:

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Online since:

September 2007

Authors:

Mircea Calomfirescu, Axel Herrmann

Keywords:

Attenuation, Composite, Lamb Wave, SHM, Viscoelastic Property

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© 2007 Trans Tech Publications Ltd. All Rights Reserved

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