文档介绍：Computers and Structures 80 (2002) 449–458
pstruc
An integrated approach for shape and topology
optimization of shell structures
Rubeen Ansola a,*, Javier Canales a,*, Jos a, John Rasmussen b
a Faculty of Engineering, Department of Mechanical Engineering, University of The Basque Country, Alda,
Urquijo s/n, 48013 Bilbao, Spain
b Institute of Mechanical Engineering, University, Pontoppidanstraede 101, DK-9220 , Denmark
Received 19 June 2001; accepted 9 January 2002
Abstract
In this paper an automated approach for simultaneous shape and topology optimization of shell structures is
presented. Most research in the last decades considered these optimization techniques separately, seeking an initial
optimal material layout and refining the shape of the solution later. The method developed in this bines both
optimization techniques, where the shape of the shell structure and material distribution are optimized simultaneously,
with the aim of finding the optimum design that maximizes the stiffness of the shell. This formulation involves a variable
ground structure for topology optimization, since the shape of the shell is modified in the course of the process. The
method has been implemented into putational model and the feasibility of the approach is demonstrated using
several examples. Ó 2002 Elsevier Science Ltd. All rights reserved.
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