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Differential Evolution Applied to the Design of a Three-Dimensional Vehicular Structure

[+] Author Affiliations
Felipe Antonio Chegury Viana, Fernando César Gama de Oliveira, Jose Antonio Ferreria Borges, Valder Steffen, Jr.

Federal University of Uberlândia, Uberlândia, MG, Brazil

Paper No. DETC2007-34290, pp. 1321-1330; 10 pages
doi:10.1115/DETC2007-34290
From:
  • ASME 2007 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 6: 33rd Design Automation Conference, Parts A and B
  • Las Vegas, Nevada, USA, September 4–7, 2007
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4807-8 | eISBN: 0-7918-3806-4
  • Copyright © 2007 by ASME

abstract

The purpose of this paper is to demonstrate the application of Differential Evolution to a realistic design optimization test problem. The present contribution regards the improvements implemented to the original basic algorithm as well as the application of a new algorithm for dealing with the unique challenges associated with real world optimization problems. The selected example is a three-dimensional vehicular structure optimization problem modeled using the commercial Finite Element software ANSYS® that has a combination of continuous and discrete design variables. The use of traditional gradient-based optimization algorithms is thus not practical. The numerical results presented indicate that the Differential Evolution algorithm is able to find the optimum design for the proposed problem. The algorithm is robust in the sense that it is capable of dealing with the numerical noise involved in the modeling of the system and to manipulate discrete design variables, accordingly.

Copyright © 2007 by ASME
Topics: Design

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