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The optimal design of the fiber-reinforced laminates is based on the application of the general homogenization model for the composite shell developed earlier by the author. The optimal design algorithm for the fiber-reinforced laminates with the prescribed set of effective stiffnesses is developed. The set of prescribed effective stiffnesses for which the design problem is solvable, is described, and the effective method of the design parameters calculation based on the convex analysis is developed. The sufficient number of plies required for the design of the fiber-reinforced angle-ply laminate with the prescribed set of effective stiffnesses is determined. The design problem is generalized on account of minimization of the fiber volume content. The effectiveness and advantages of the developed approach are illustrated by several design examples.
fiber-reinforced angle-ply composite laminate, homogenization, effective stiffenesses, optimal design
Professor, Director of the Smart Materials Centre, Technical University of Nova Scotia, Nova Scotia,