Volume 12, Issue 1 (1-2022)
2022, 12(1): 15-32 |
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Shahrouzi M, Azizi A. OPTIMAL DESIGN OF DIAGRID MODULES BY PSEUDO RANDOM DIRECTIONAL SEARCH. International Journal of Optimization in Civil Engineering 2022; 12 (1) :15-32
URL: http://ijoce.iust.ac.ir/article-1-502-en.html
URL: http://ijoce.iust.ac.ir/article-1-502-en.html
Abstract: (5810 Views)
The present work reveals a problem formulation to minimize material consumption and improve efficiency of diagrids to resist equivalent wind loading. The integrated formulation includes not only sizing of structural members but also variation in geometry and topology of such a system. Particular encoding technique is offered to handle practical variation of diagrid modules. A variant of Pseudo-random Directional Search is utilized to solve this problem treating a number of three dimensional structural models. Several issues are investigated including the effect of variation in the building height, its aspect ratio and fixing or releasing diagrid angles. Consequently, especial trend of variation in diagrid angle is observed with superior structural responses with respect to sizing designs of the fixed-angle modules.
Keywords: tall building, structural design, non-uniform diagrid modules, layout optimization, pseudo-random directional search, swarm intelligence.
Type of Study: Research |
Subject:
Optimal design
Received: 2022/01/18 | Accepted: 2022/01/20 | Published: 2022/01/20
Received: 2022/01/18 | Accepted: 2022/01/20 | Published: 2022/01/20
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