Volume 12, Issue 3 (4-2022)
IJOCE 2022, 12(3): 457-475 |
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Hosseini P, Kaveh A, Hatami N, Hoseini Vaez S R. THE OPTIMIZATION OF LARGE-SCALE DOME TRUSSES ON THE BASIS OF THE PROBABILITY OF FAILURE. IJOCE 2022; 12 (3) :457-475
URL: http://ijoce.iust.ac.ir/article-1-527-en.html
URL: http://ijoce.iust.ac.ir/article-1-527-en.html
1- Faculty of Engineering, Mahallat Institute of Higher Education, Mahallat, Iran
2- School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran
3- Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran
2- School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran
3- Department of Civil Engineering, Faculty of Engineering, University of Qom, Qom, Iran
Abstract: (15785 Views)
Metaheuristic algorithms are preferred by the many researchers to reach the reliability based design optimization (RBDO) of truss structures. The cross-sectional area of the elements of a truss is considered as design variables for the size optimization under frequency constraints. The design of dome truss structures are optimized based on reliability by a popular metaheuristic optimization technique named Enhanced Vibrating Particle System (EVPS). Finite element analyses of structures and optimization process are coded in MATLAB. Large-scale dome truss of 600-bar, 1180-bar and 1410-bar are investigated in this paper and are compared with the previous studies. Also, a comparison is made between the reliability indexes of Deterministic Design Optimization (DDO) for large dome trusses and Reliability-Based Design Optimization (RBDO).
Keywords: enhanced vibrating particle system, reliability index, dome truss structures, metaheuristic algorithms, reliability based design optimization, large scale trusses
Type of Study: Research |
Subject:
Optimal design
Received: 2022/05/24 | Accepted: 2022/04/21 | Published: 2022/04/21
Received: 2022/05/24 | Accepted: 2022/04/21 | Published: 2022/04/21
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