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Erschienen in: Mechanics of Composite Materials 4/2011

01.09.2011

Experimental determination of elastic constants of an orthotropic composite plate by using lamb waves

verfasst von: K. Lasn, A. Klauson, F. Chati, D. Décultot

Erschienen in: Mechanics of Composite Materials | Ausgabe 4/2011

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Abstract

An inversion procedure is described to determine the elastic constants of an orthotropic plate by using experimental data on Lamb wave propagation and a curve fitting algorithm based on the Nelder–Mead simplex method. A sample made from glass-epoxy was tested and eight out of nine engineering constants were recovered from Lamb wave propagation measurements in the principal material directions. To improve convergence, the phase velocity sensitivities to different elastic constants are considered. The inversion results agree rather well with experimental data and static tension measurements for the longitudinal elastic modulus.

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Metadaten
Titel
Experimental determination of elastic constants of an orthotropic composite plate by using lamb waves
verfasst von
K. Lasn
A. Klauson
F. Chati
D. Décultot
Publikationsdatum
01.09.2011
Verlag
Springer US
Erschienen in
Mechanics of Composite Materials / Ausgabe 4/2011
Print ISSN: 0191-5665
Elektronische ISSN: 1573-8922
DOI
https://doi.org/10.1007/s11029-011-9221-y

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