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G. Steven, Q. Li, Y.M. Xie, "Topology and Shape Structural Optimization that Minimizes Maximum Stress and Maximizes Stiffness", in B.H.V. Topping, (Editor), "Computational Mechanics for the Twenty-First Century", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 20, pp 403-430, 2000. doi:10.4203/csets.3.20

Abstract

Engineering designs that offer a balance between both stiffness maximization and stress minimization can be of much practical significance. This paper aims at exploring the application of the Evolutionary Structural Optimization (ESO) method to such multicriteria design problems. To evaluate the overall effect on the design of material variation due to these two optimality criteria, a weighting scheme is adopted, whereby the weight factors emphasize and/or balance the stiffness and stress criteria. The work can accommodate various situations involving shape and topology design with multiple criteria. Also the important practical aspects of possible multiple peak stresses and multiple load cases are taken into account. A number of examples demonstrate the capabilities of the proposed method for solving multicriteria design optimization structural design problems.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Computational Science, Engineering & Technology Series ISSN 1759-3158 CSETS: 3 COMPUTATIONAL MECHANICS FOR THE TWENTY-FIRST CENTURY Edited by: B.H.V. Topping Chapter 20 Topology and Shape Structural Optimization that Minimizes Maximum Stress and Maximizes Stiffness G. Steven, Q. Li and Y.M. Xie Department of Aeronautical Engineering, University of Sydney, N.S.W., Australia doi:10.4203/csets.3.20 purchase the full-text of this chapter Full Bibliographic Reference for this chapter G. Steven, Q. Li, Y.M. Xie, "Topology and Shape Structural Optimization that Minimizes Maximum Stress and Maximizes Stiffness", in B.H.V. Topping, (Editor), "Computational Mechanics for the Twenty-First Century", Saxe-Coburg Publications, Stirlingshire, UK, Chapter 20, pp 403-430, 2000. doi:10.4203/csets.3.20 Abstract Engineering designs that offer a balance between both stiffness maximization and stress minimization can be of much practical significance. This paper aims at exploring the application of the Evolutionary Structural Optimization (ESO) method to such multicriteria design problems. To evaluate the overall effect on the design of material variation due to these two optimality criteria, a weighting scheme is adopted, whereby the weight factors emphasize and/or balance the stiffness and stress criteria. The work can accommodate various situations involving shape and topology design with multiple criteria. Also the important practical aspects of possible multiple peak stresses and multiple load cases are taken into account. A number of examples demonstrate the capabilities of the proposed method for solving multicriteria design optimization structural design problems. purchase the full-text of this chapter (price £20) go to the previous chapter go to the next chapter return to the table of contents return to the book description purchase this book (price £138 +P&P)
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