文档介绍：Composite Structures 91 (2009) 158–167
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Composite Structures
journal homepage: pstruct
Buckling topology optimization of laminated multi-material
composite shell structures
Erik Lund *
Department of Mechanical Engineering, University, Pontoppidanstraede 101, DK-9220 East, Denmark
article info abstract
Article history: The design problem of maximizing the buckling load factor of laminated multi-posite shell
Available online 9 May 2009 structures is investigated using the so-called Discrete Material Optimization (DMO) approach. The design
optimization method is based on ideas from multi-phase topology optimization where the material stiff-
Keywords: ness puted as a weighted sum of candidate materials, thus making it possible to solve discrete opti-
Topology optimization mization problems using gradient based techniques and mathematical programming. The potential of the
Buckling optimization DMO method to solve binatorial problem of proper choice of material and fiber orientation simul-
Composite structures
taneously is illustrated for multilayered plate examples and a simplified shell model of a spar cap of a
Discrete Material Optimization
wind turbine blade.
Design sensitivity analysis
Ó 2009 Elsevier Ltd. All rights reserved.
1. Introduction FRP layer in order to obtain the desired structural performance,
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