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Analysis of damped composite sandwich plates using plate bending elements with substitute shear strain fields based on Reddy's higher order theory

Nayak, A.K., Shenoi, R.A. and Moy, S.S.J. (2002) Analysis of damped composite sandwich plates using plate bending elements with substitute shear strain fields based on Reddy's higher order theory Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 216, (5), pp. 591-606. (doi:10.1243/0954406021525377).

Record type: Article

Abstract

Two new C0 assumed strain finite element formulations of Reddy's higher-order theory are used to determine the natural frequencies and loss factors of layered anisotropic composite and sandwich plates. Material properties typical of fibre polyester resins for the skin and HEREX C70 PVC foam damping materials for cores are used to show the parametric effects of plate aspect ratio, length-thickness ratio on natural frequencies and loss factors.
A consistent mass matrix is adopted in the present formulation. Both frequency-independent and frequency-dependent damping of viscoelastic materials are considered. The developed elements are free from spurious zero energy modes due to the assumed strain approach.

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More information

Published date: 2002
Keywords: damping, composite sandwich plates, assumed strain approach, higher order theory

Identifiers

Local EPrints ID: 22030
URI: http://eprints.soton.ac.uk/id/eprint/22030
ISSN: 0954-4062
PURE UUID: 1e69a3e5-c8d4-4da8-957a-6e4b2898e1c5

Catalogue record

Date deposited: 17 Mar 2006
Last modified: 17 Jul 2017 16:24

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