Volume 7, Issue 2 (3-2017)                   2017, 7(2): 157-171 | Back to browse issues page

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Gholizadeh S, Ebadijalal M. SEISMIC DESIGN OPTIMIZATION OF STEEL STRUCTURES BY A SEQUENTIAL ECBO ALGORITHM. International Journal of Optimization in Civil Engineering 2017; 7 (2) :157-171
URL: http://ijoce.iust.ac.ir/article-1-291-en.html
Abstract:   (23059 Views)

The objective of the present paper is to propose a sequential enhanced colliding bodies optimization (SECBO) algorithm for implementation of seismic optimization of steel braced frames in the framework of performance-based design (PBD). In order to achieve this purpose, the ECBO is sequentially employed in a multi-stage scheme where in each stage an initial population is generated based on the information derived from the results of previous stages. The required structural seismic responses, at performance levels, are evaluated by performing nonlinear pushover analysis. Two numerical examples are presented to illustrate the efficiency of the proposed SECBO for tackling the seismic performance-based optimization problem. The numerical results demonstrate the computational advantages of the SECBO algorithm.

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Type of Study: Research | Subject: Optimal design
Received: 2016/09/26 | Accepted: 2016/09/26 | Published: 2016/09/26

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