Bounds on the natural frequencies of laminated rectangular plates with extension-bending coupling

Li, D. and York, C. (2015) Bounds on the natural frequencies of laminated rectangular plates with extension-bending coupling. Composite Structures, 133, pp. 863-870. (doi:10.1016/j.compstruct.2015.07.076)

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Abstract

Extension-Bending coupling behaviour is believed to arise uniquely in anti-symmetric Cross-ply laminates. The results in this article serve to dispel this misconception by presenting solutions for both Cross-ply laminates and Standard laminates, defined as containing combinations of angle plies and cross plies, for a range of different sub-sequence symmetries. Details of the algorithm used to develop the definitive list of laminate stacking sequences with up to 21 plies are presented. Finally, natural frequency factor envelopes are developed, which identify significant differences in the bounds, across a range of aspect-ratios, between Standard laminate configurations and the previously assumed Cross-ply designs.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:York, Dr Christopher and Li, Professor Daokui
Authors: Li, D., and York, C.
Subjects:T Technology > T Technology (General)
College/School:College of Science and Engineering
College of Science and Engineering > School of Engineering > Aerospace Sciences
Journal Name:Composite Structures
Journal Abbr.:Compos. Struct.
Publisher:Elsevier
ISSN:0263-8223
ISSN (Online):1879-1085
Copyright Holders:Copyright © 2015 Elsevier B.V.

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