Volume 1, Issue 3 (9-2011)
2011, 1(3): 485-494 |
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Gholizadeh S, Barzegar A, Gheyratmand C. SHAPE OPTIMIZATION OF STRUCTURES BY MODIFIED HARMONY SEARCH . International Journal of Optimization in Civil Engineering 2011; 1 (3) :485-494
URL: http://ijoce.iust.ac.ir/article-1-52-en.html
URL: http://ijoce.iust.ac.ir/article-1-52-en.html
Abstract: (21245 Views)
The main aim of the present study is to propose a modified harmony search (MHS) algorithm for size and shape optimization of structures. The standard harmony search (HS) algorithm is conceptualized using the musical process of searching for a perfect state of the harmony. It uses a stochastic random search instead of a gradient search. The proposed MHS algorithm is designed based on elitism. In fact the MHS is a multi-staged version of the HS and in each stage a new harmony memory is created using the information of the previous stages. Numerical results reveal that the proposed algorithm is a powerful optimization technique with improved exploitation characteristics compared with the standard HS.
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