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Parametric optimisation of composite shell structures for an aircraft Krueger flap by Javid Bayandor; Murray L Scott; Rodney S Thomson is a Engineering article available to read on EtoBox.

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This paper details the conceptual design optimisation of the configuration and composite lay-ups used to replace the conventional honeycomb stiffened structure of a Krueger flap. The multiple composite laminates selected for redesigning the lay-ups within an initial symmetrical quasi-isotropic ply configuration of [0/45/À45/90] s , had to demonstrate full orthotropic characteristics. In order to construct a numerical process to optimise the required multi-layered composite shells, a commercial finite element code, Ansys, was used to develop a parametric analysis file. This analysis subroutine was then integrated into an Ansys Parametric Design Language code embedding the objective of the optimisation process--mass minimisation--as well as all the constraints and the allowable domains of the parameters. The paper, in its conclusion, presents a comparison between the original product and the optimal design, and reviews the advantages of the future implementation of this design.

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Author

Javid Bayandor; Murray L Scott; Rodney S Thomson

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 0263-8223)

Published

2002

Language

EN

Field

Engineering (Physical Sciences)