Volume 6, Issue 1 (1-2016)
IJOCE 2016, 6(1): 77-100 |
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Kaveh A, Asadi P. OPTIMUM DESIGN OF GRILLAGE SYSTEMS USING CBO AND ECBO ALGORITHMS. IJOCE 2016; 6 (1) :77-100
URL: http://ijoce.iust.ac.ir/article-1-239-en.html
URL: http://ijoce.iust.ac.ir/article-1-239-en.html
Abstract: (18438 Views)
Grillages are widely used in various structures. In this research, the Colliding Bodies Optimization (CBO) and Enhanced Colliding Bodies Optimization (ECBO) algorithms are used to obtain the optimum design of irregular grillage systems. The purpose of this research is to minimize the weight of the structure while satisfying the design constraints. The design variables are considered to be the cross-sectional properties of the beams and the design constraints are employed from LRFD-AISC. In addition, optimum design of grillages is performed for two cases: (i) without considering the warping effect, and (ii) with considering the warping effect. Also, several examples are presented to show the effect of different spacing and various boundary conditions. Finally, the results show that warping effect, beam spacing and boundary conditions have significant effects on the optimum design of grillages.
Keywords: irregular grillage systems, optimal design, CBO algorithm, enhanced CBO algorithm, warping.
Type of Study: Research |
Subject:
Optimal design
Received: 2015/10/5 | Accepted: 2015/10/5 | Published: 2015/10/5
Received: 2015/10/5 | Accepted: 2015/10/5 | Published: 2015/10/5
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