دوره 13، شماره 2 - ( 1-1402 )
جلد 13 شماره 2 صفحات 188-177 |
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Nabati M, Gholizadeh S. PERFORMANCE-BASED OPTIMIZATION OF STEEL MOMENT FRAMES BY A MODIFIED NEWTON METAHEURISTIC ALGORITHM. International Journal of Optimization in Civil Engineering 2023; 13 (2) :177-188
URL: http://ijoce.iust.ac.ir/article-1-548-fa.html
URL: http://ijoce.iust.ac.ir/article-1-548-fa.html
PERFORMANCE-BASED OPTIMIZATION OF STEEL MOMENT FRAMES BY A MODIFIED NEWTON METAHEURISTIC ALGORITHM. عنوان نشریه. 1402; 13 (2) :177-188
چکیده: (377 مشاهده)
The purpose of the current study is to design steel moment resisting frames for optimal weight in the context of performance-based design. The performance-based design optimization of steel moment frames is a highly nonlinear and complex optimization problem having many local optima. Therefore, an efficient algorithm should be used to deal with this class of structural optimization problems. In the present study, a modified Newton metaheuristic algorithm (MNMA) is proposed for the solution of the optimization problem. In fact, MNMA is the improved version of the original Newton metaheuristic algorithm (NMA), which is a multi-stage optimization technique in which an initial population is generated at each stage based on the results of the previous stages. Two illustrative examples of 5-, and 10-story steel moment frames are presented and a number of independent optimization runs are achieved by NMA and MNMA. The numerical results demonstrate the better performance of the proposed MNMA compared to the NMA in solving the performance-based optimization problem of steel moment frames.
نوع مطالعه: پژوهشي |
موضوع مقاله:
Optimal design
دریافت: 1401/10/10 | پذیرش: 1402/2/1 | انتشار: 1402/2/1
دریافت: 1401/10/10 | پذیرش: 1402/2/1 | انتشار: 1402/2/1
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