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Lamb Waves in Anisotropic Functionally Graded Plates: A Closed Form Dispersion Solution

Published online by Cambridge University Press:  08 August 2019

S. V. Kuznetsov Open the ORCID record for S. V. Kuznetsov [Opens in a new window]
S. V. Kuznetsov*
Affiliation:
Institute for Problems in Mechanics Bauman Moscow State Technical University Moscow State University of Civil Engineering Moscow, Russia
*
*Corresponding author ([email protected])
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Abstract

Propagation of harmonic Lamb waves in plates made of functionally graded materials (FGM) with transverse inhomogeneity is studied by combination of the Cauchy six-dimensional formalism and matrix exponential mapping. For arbitrary transverse inhomogeneity a closed form implicit solution for dispersion equation is derived and analyzed. Both the dispersion equation and the corresponding solution resemble ones obtained for stratified media. The dispersion equation and the corresponding solution are applicable to media with arbitrary elastic (monoclinic) anisotropy.

Keywords

Functionally graded materialLamb waveCauchy formalismanisotropy
Type
Research Article
Information
Journal of Mechanics , Volume 36 , Issue 1 , February 2020 , pp. 1 - 6
Copyright
Copyright © 2019 The Society of Theoretical and Applied Mechanics 

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References

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