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Title: Multilevel optimization of composite panels under complex load and boundary conditions
Authors: Featherston, Carol A.
Watson, Andrew
Keywords: Carbon fibres
Finite element analysis (FEA)
Finite strip
Issue Date: 2008
Publisher: © Springer-Verlag
Citation: FEATHERSTON, C.A. and WATSON, A., 2008. Multilevel optimization of Composite panels under complex load and boundary conditions. Structural and Multidisciplinary Optimization, 36 (1), pp. 15 - 27.
Abstract: Due to their complexity and large numbers of design variables, aerospace structures, such as aircraft wings, are best optimized using a multi-level process. In addition to simplifying the optimization procedure, such an approach allows a combination of different methods to be used, increasing the efficiency of the analysis. This paper presents a technique based on the usage of exact finite strip software, VICONOPT, with the finite element analysis package, ABAQUS. The computer programme VICONOPT is computationally efficient but provides solutions for a restricted range of geometries and loading conditions. Finite element analysis allows accurate models of structures with complex geometries to be created but is computationally expensive. By combining the two, these limitations are minimised, whilst the strengths of each are exploited. The fundamental principles of this multi-level procedure are demonstrated by optimizing a series of curved composite panels under combined shear and in-plane bending subject to buckling constraints.
Description: This article was submitted for publication in the journal Structural and Multidisciplinary Optimization. The final publication is available at Springer via http://dx.doi.org/10.1007/s00158-007-0181-8
Version: Submitted for publication
DOI: 10.1007/s00158-007-0181-8
URI: https://dspace.lboro.ac.uk/2134/17935
Publisher Link: http://dx.doi.org/10.1007/s00158-007-0181-8
ISSN: 1615-147X
Appears in Collections:Published Articles (Aeronautical and Automotive Engineering)

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