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Performance-based seismic design of steel frames utilizing colliding bodies algorithm.

Veladi H - ScientificWorldJournal (2014)

Bottom Line: A pushover analysis method based on semirigid connection concept is developed and the colliding bodies optimization algorithm is employed to find optimum seismic design of frame structures.Two numerical examples from the literature are studied.The results of the new algorithm are compared to the conventional design methods to show the power or weakness of the algorithm.

View Article: PubMed Central - PubMed

Affiliation: Department of Civil Engineering, University of Tabriz, Tabriz, Iran ; The Research Center of Optimization and Engineering, Tabriz, Iran.

ABSTRACT
A pushover analysis method based on semirigid connection concept is developed and the colliding bodies optimization algorithm is employed to find optimum seismic design of frame structures. Two numerical examples from the literature are studied. The results of the new algorithm are compared to the conventional design methods to show the power or weakness of the algorithm.

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Related in: MedlinePlus

Convergence history of the CBO algorithm for the 4-bay 3-story frame.
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fig2: Convergence history of the CBO algorithm for the 4-bay 3-story frame.

Mentions: The optimum results for the CBO, a hybrid CSS [17], PACO [16], PSO [15], ACO [15], and GA [15] metaheuristic algorithm are presented in Table 1. The new algorithm as well as the CSS and PSACO needs 4500 analyses to reach a convergence while 3900, 6800, and 8500 analyses are required by the ACO, GA, and PSO. After performing optimal design of structure, a pushover analysis is applied to the result obtained using the CBO and roof drifts are controlled in various performance levels. The results show that the roof drifts are less than their corresponding allowable values. The best design for the CBO method has 280.32 kN weight, which is lighter than the conventional design. Although it is heavier than some of metaheuristic algorithms, the differences are small and its standard deviation value in a series of 30 different runs is better than the other methods. The convergence history of the CBO algorithm is presented in Figure 2.


Performance-based seismic design of steel frames utilizing colliding bodies algorithm.

Veladi H - ScientificWorldJournal (2014)

Convergence history of the CBO algorithm for the 4-bay 3-story frame.
© Copyright Policy - open-access
Related In: Results  -  Collection

Show All Figures
getmorefigures.php?uid=PMC4150511&req=5

fig2: Convergence history of the CBO algorithm for the 4-bay 3-story frame.
Mentions: The optimum results for the CBO, a hybrid CSS [17], PACO [16], PSO [15], ACO [15], and GA [15] metaheuristic algorithm are presented in Table 1. The new algorithm as well as the CSS and PSACO needs 4500 analyses to reach a convergence while 3900, 6800, and 8500 analyses are required by the ACO, GA, and PSO. After performing optimal design of structure, a pushover analysis is applied to the result obtained using the CBO and roof drifts are controlled in various performance levels. The results show that the roof drifts are less than their corresponding allowable values. The best design for the CBO method has 280.32 kN weight, which is lighter than the conventional design. Although it is heavier than some of metaheuristic algorithms, the differences are small and its standard deviation value in a series of 30 different runs is better than the other methods. The convergence history of the CBO algorithm is presented in Figure 2.

Bottom Line: A pushover analysis method based on semirigid connection concept is developed and the colliding bodies optimization algorithm is employed to find optimum seismic design of frame structures.Two numerical examples from the literature are studied.The results of the new algorithm are compared to the conventional design methods to show the power or weakness of the algorithm.

View Article: PubMed Central - PubMed

Affiliation: Department of Civil Engineering, University of Tabriz, Tabriz, Iran ; The Research Center of Optimization and Engineering, Tabriz, Iran.

ABSTRACT
A pushover analysis method based on semirigid connection concept is developed and the colliding bodies optimization algorithm is employed to find optimum seismic design of frame structures. Two numerical examples from the literature are studied. The results of the new algorithm are compared to the conventional design methods to show the power or weakness of the algorithm.

Show MeSH
Related in: MedlinePlus