Volume 2, Issue 3 (7-2012)
2012, 2(3): 423-441 |
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Gholizadeh S, Barati H. A COMPRATIVE STUDY OF THREE METAHEURISTICS FOR OPTIMUM DESIGN OF TRUSSES . International Journal of Optimization in Civil Engineering 2012; 2 (3) :423-441
URL: http://ijoce.iust.ac.ir/article-1-100-en.html
URL: http://ijoce.iust.ac.ir/article-1-100-en.html
Abstract: (25405 Views)
In the present study, the computational performance of the particle swarm optimization (PSO) harmony search (HS) and firefly algorithm (FA), as popular metaheuristics, is investigated for size and shape optimization of truss structures. The PSO was inspired by the social behavior of organisms such as bird flocking. The HS imitates the musical performance process which takes place when a musician searches for a better state of harmony, while the FA was based on the idealized behavior of the flashing characteristics of natural fireflies. These algorithms were inspired from different natural sources and their convergence behavior is focused in this paper. Several benchmark size and shape optimization problems of truss structures are solved using PSO, HS and FA and the results are compared. The numerical results demonstrate the superiority of FA to HS and PSO.
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