A Two-Level Procedure for the Global Optimum Design of Composite Modular Structures—Application to the Design of an Aircraft Wing

Marco Montemurro, Angela Vincenti and Paolo Vannucci ()
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Marco Montemurro: Université Pierre et Marie Curie
Angela Vincenti: Université Pierre et Marie Curie
Paolo Vannucci: Université de Versailles et Saint Quentin en Yvelines

Journal of Optimization Theory and Applications, 2012, vol. 155, issue 1, No 2, 24-53

Abstract: Abstract This work concerns a two-level procedure for the global optimum design of composite modular structures. The case-study considered is the least weight design of a stiffened wing-box for an aircraft structure. The method is based on the use of the polar formalism and on a genetic algorithm. In the first level of the procedure, the optimal structure is designed as composed by a single equivalent layer, while a laminate realizing the optimal structure is found in the second level. The method is able to automatically find the optimal number of modules; no simplifying assumptions are used and it can be easily generalized to other problems. The work is divided into two parts: the theoretical formulation in the first part, the genetic procedure and some numerical examples in this second one.

Keywords: Laminates; Composite materials; Polar method; Genetic algorithms (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s10957-012-0070-1

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