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Mathematical Problems in Engineering
Volume 2013 (2013), Article ID 649857, 6 pages
Research Article

Accelerated Particle Swarm for Optimum Design of Frame Structures

1Marand Faculty of Engineering, University of Tabriz, Tabriz 51666-14766, Iran
2Department of Engineering, Islamic Azad University, Ahar Branch, Ahar 54516, Iran
3Department of Structural Engineering, Islamic Azad University, Shabestar Branch, Shabestar 57168-14758, Iran

Received 29 November 2012; Revised 29 December 2012; Accepted 30 December 2012

Academic Editor: Fei Kang

Copyright © 2013 S. Talatahari et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Accelerated particle swarm optimization (APSO) is developed for finding optimum design of frame structures. APSO shows some extra advantages in convergence for global search. The modifications on standard PSO effectively accelerate the convergence rate of the algorithm and improve the performance of the algorithm in finding better optimum solutions. The performance of the APSO algorithm is also validated by solving two frame structure problems.