Title of article :
WEIGHT MINIMIZATION and ENERGY DISSIPATION MAXIMIZATION OF BRACED FRAMES USING EVPS ALGORITHM
Author/Authors :
Kaveh, A. Iran University of Science and Technology, Tehran , Hoseini Vaez, R. Department of Civil Engineering - Faculty of Engineering - University of Qom, Qom , Hosseini, P. Faculty of Engineering - Mahallat Institute of Higher Education, Mahallat , Abedini, H. Department of Civil Engineering - Faculty of Engineering - University of Qom, Qom
Abstract :
In this research, a new objective function has been proposed for optimal design of the Buckling Restrained Braced Frames (BRBFs) is performed using nonlinear time history analysis. The BRBF is a particular type of bracing system that has been widely utilized in recent years. The nonlinear time history analysis also provides a detailed view of the behavior of the structure. The purpose of this study is to provide an optimal design based on minimizing the weight of the structure while increasing the energy dissipation capability of the structure. Due to the complexity of the problem, the Enhanced Vibrating Particles Systems (EVPS) meta-heuristic algorithm is used to perform the optimization. Here, a 3-story frame, a 6-story frame and a 9-story frame are investigated simultaneously considering the continuous and discrete optimization.
Keywords :
buckling restrained braced frames , weight optimization , enhanced vibrating particles systems algorithm , structural optimization
Journal title :
International Journal of Optimization in Civil Engineering
