Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/50376
Title: Finite element analysis of free vibration of delaminated composite plates
Authors: Ju, F. 
Lee, H.P. 
Lee, K.H. 
Issue Date: 1995
Source: Ju, F.,Lee, H.P.,Lee, K.H. (1995). Finite element analysis of free vibration of delaminated composite plates. Composites Engineering 5 (2) : 195-209. ScholarBank@NUS Repository.
Abstract: Based on the Mindlin plate theory, a finite element formulation is presented for the analysis of the free vibration of composite plates with multiple delaminations. The present formulation includes the effect of transverse shear defomations as well as the bending-extension coupling caused by the presence of delaminations, and can be easily used to compute the natural frequencies and mode shapes of delaminated plates with arbitrary boundary conditions. A variety of examples, including composite plates with multiple elliptical delaminations, are presented. The effects of boundary conditions, delamination size, delamination location and the number of delaminations on the natural frequencies and mode shapes of delaminated composite plates are investigated. The presence of local modes in the delaminated segments is also discussed. © 1995.
Source Title: Composites Engineering
URI: http://scholarbank.nus.edu.sg/handle/10635/50376
ISSN: 09619526
Appears in Collections:Staff Publications

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