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Optimum design of laminated fibre composite plates

✍ Scribed by L. A. Schmit Jr.; B. Farshi

Publisher
John Wiley and Sons
Year
1977
Tongue
English
Weight
982 KB
Volume
11
Category
Article
ISSN
0029-5981

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✦ Synopsis

Abstract

A method is presented for the minimum weight optimum design of laminated fibre composite plates, subject to multiple inplane loading conditions, which includes stiffness, strength and elastic stability constraints. The buckling analysis is based on an equivalent orthotropic plate approach leading to two uncoupled eigenproblems per load condition. Overall computational efficiency is achieved by using constraint deletion techniques in conjunction with Taylor series approximations for the constraints retained. The optimization algorithm used, namely the method of inscribed hyperspheres, is a sequence of linear programs technique which exhibits rapid convergence in this application. Several example problems are given to demonstrate that the method presented offers an efficient and practical optimum design procedure for the fundamental and recurring problem treated.

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