A simple equivalent plate model for dynamic bending stiffness of three-layer sandwich panels with shearing core

Equivalent or condensed plate models are being used in various industries to reduce the computation time in finite element modelling. Out of the available equivalent plate models, the model developed by J.L. Guyader in 1978 exhibits high agreement with Lamb wave theory but it requires some time for...

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Veröffentlicht in:	Journal of sound and vibration 2021-05, Vol.500, p.116025, Article 116025
Hauptverfasser:	Arasan, U., Marchetti, F., Chevillotte, F., Jaouen, L., Chronopoulos, D., Gourdon, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Engineering Sciences Equivalent plate model Flexural rigidities Sandwich panels Wavenumbers
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container_title	Journal of sound and vibration
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creator	Arasan, U. Marchetti, F. Chevillotte, F. Jaouen, L. Chronopoulos, D. Gourdon, E.
description	Equivalent or condensed plate models are being used in various industries to reduce the computation time in finite element modelling. Out of the available equivalent plate models, the model developed by J.L. Guyader in 1978 exhibits high agreement with Lamb wave theory but it requires some time for implementation. Therefore, in this paper, a simple model is proposed to quickly compute the dynamic equivalent parameters of a three-layer sandwich panel. Although the model is formulated from only four parameters, which could be easily computed via the asymptotic and transition behaviours of the sandwich panel, it is shown to be able to capture the equivalent dynamic response for the entire frequency range.
doi_str_mv	10.1016/j.jsv.2021.116025
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subjects	Engineering Sciences Equivalent plate model Flexural rigidities Sandwich panels Wavenumbers
title	A simple equivalent plate model for dynamic bending stiffness of three-layer sandwich panels with shearing core
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