Design of laminated composite plates for maximum buckling load and vibration frequency

Tai-Yan Kam*, R. R. Chang

*Corresponding author for this work

Research output: Contribution to journalArticle

25 Scopus citations

Abstract

The optimal lamination arrangement of thick laminated composite plates for maximum buckling load and vibration frequency is studied via a multi-start global optimization technique. A shear deformable finite element in which the exact expressions for determining shear correction factors are adopted has been developed for the buckling and free vibration analysis of the plates. Utilizing the finite element, the optimal layups for the plates with maximum buckling loads or natural frequencies are designed via the multi-start global optimization technique. The proposed optimization algorithm has been proved to be efficient and effective in designing thick laminated composite plates. A number of examples of the design of symmetrically and antisymmetrically laminated composite plates with various material properties, side-to-thickness ratios, aspect ratios and different numbers of layers are given to illustrate the practical applications of the present method.

Original languageEnglish
Pages (from-to)65-81
Number of pages17
JournalComputer Methods in Applied Mechanics and Engineering
Volume106
Issue number1-2
DOIs
StatePublished - 1 Jan 1993

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