Discrete Optimization of Plane Frame Structures Using Genetic Algorithms

유전자 알고리즘을 이용한 뼈대구조물의 이산최적화

  • 김봉익 (경상대학교해양토목공학과(해양산업연구소)) ;
  • 권중현 (경상대학교해양토목공학과(해양산업연구소))
  • Published : 2002.08.01

Abstract

This paper is to find optimum design of plane framed structures with discrete variables. Global search algorithms for this problem are Genetic Algorithms(GAs), Simulated Annealing(SA) and Shuffled Complex Evolution(SCE), and hybrid methods (GAs-SA, GAs-SCE). GAs and SA are heuristic search algorithms and effective tools which is finding global solution for discrete optimization. In particular, GAs is known as the search method to find global optimum or near global optimum. In this paper, reinforced concrete plane frames with rectangular section and steel plane frames with W-sections are used for the design of discrete optimization. These structures are designed for stress constraints. The robust and effectiveness of Genetic Algorithms are demonstrated through several examples.

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