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A Methodology for Optimal Design of Composite Laminates Using Polar Formalism

Published online by Cambridge University Press:  18 January 2016

M. Kazemi  and
G. Verchery
M. Kazemi*
Affiliation:
Environmental Sciences Research CenterDepartment of MechanicsEslamshahr BranchIslamic Azad UniversityEslamshahr, Iran
G. Verchery
Affiliation:
Institut Supérieur des Matériaux et Mécaniques Avancés Le Mans, France
*
*Corresponding author ([email protected])
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Abstract

An innovative optimization technique is presented for the design of composite laminated plates subjected to in-plane loads. A list of quasi-homogeneous laminates that can be used as angle-ply materials is proposed as a comprehensive solution for optimum lay-up. Two optimization procedures are performed: Dimensioning of the flexural stiffness and the elastic modulus, which provides the optimal orientations for the layers and offer highest in-plane resistance to composite laminated structures. The polar formalism for plane anisotropy is used to represent the flexural stiffness and elastic modulus tensors. Numerical examples are resolved for two materials with different elastic moduli.

Keywords

CompositeOptimizationQuasi-homogeneousAngle-ply
Type
Research Article
Information
Journal of Mechanics , Volume 32 , Issue 3 , June 2016 , pp. 255 - 266
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2016 

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