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Paper III.3

Minimum Weight Design of Rigid Frames Subject to System Reliability by Genetic Algorithm

Y. Kohama*, T. Takada*, N. Kozawa* and A. Miyamura+

*Department of Architecture, Mie University, Tsu, Japan
+School of Design and Architecture, Nagoya City University, Chikusa, Nagoya, Japan

doi:10.4203/ccp.53.3.3

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Y. Kohama, T. Takada, N. Kozawa, A. Miyamura, "Minimum Weight Design of Rigid Frames Subject to System Reliability by Genetic Algorithm", in B.H.V. Topping, (Editor), "Advances in Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, pp 103-109, 1998. doi:10.4203/ccp.53.3.3

Abstract

The present paper deals with the minimum weight design of rigid frames under the constraint of system failure probability by genetic algorithm (GA) based on the schema theorem. The upper bound of the system reliability is calculated by Ditlevsen's bounds which demand predominant collapse modes with large failure probabilities. For sizable systems, to search for predominant modes is so difficult that the effective searching technique is required. Herein, GA based on the schema theorem is applied to the present searching problem for predominant collapse modes. A numerical design example by the present method is compared to our previous algorithm based on the branch and bound method.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 53 ADVANCES IN ENGINEERING COMPUTATIONAL TECHNOLOGY Edited by: B.H.V. Topping Paper III.3 Minimum Weight Design of Rigid Frames Subject to System Reliability by Genetic Algorithm Y. Kohama, T. Takada, N. Kozawa* and A. Miyamura+ *Department of Architecture, Mie University, Tsu, Japan +School of Design and Architecture, Nagoya City University, Chikusa, Nagoya, Japan doi:10.4203/ccp.53.3.3 purchase the full-text of this paper Full Bibliographic Reference for this paper Y. Kohama, T. Takada, N. Kozawa, A. Miyamura, "Minimum Weight Design of Rigid Frames Subject to System Reliability by Genetic Algorithm", in B.H.V. Topping, (Editor), "Advances in Engineering Computational Technology", Civil-Comp Press, Edinburgh, UK, pp 103-109, 1998. doi:10.4203/ccp.53.3.3 Abstract The present paper deals with the minimum weight design of rigid frames under the constraint of system failure probability by genetic algorithm (GA) based on the schema theorem. The upper bound of the system reliability is calculated by Ditlevsen's bounds which demand predominant collapse modes with large failure probabilities. For sizable systems, to search for predominant modes is so difficult that the effective searching technique is required. Herein, GA based on the schema theorem is applied to the present searching problem for predominant collapse modes. A numerical design example by the present method is compared to our previous algorithm based on the branch and bound method. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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