Volume 14, Issue 4 (10-2024)
IJOCE 2024, 14(4): 609-628 |
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Salmanpour P, Deylami A, Kabir M Z. MULTI-MATERIAL OPTIMAL DESIGN OF 3D TRANSMISSION TOWERS USING BLACK HOLE MECHANICS OPTIMIZATION: REAL-SIZE EXAMPLES. IJOCE 2024; 14 (4) :609-628
URL: http://ijoce.iust.ac.ir/article-1-611-en.html
URL: http://ijoce.iust.ac.ir/article-1-611-en.html
1- Department of Civil & Environmental Engineering, Amirkabir University of Technology, Tehran, Iran
Abstract: (90 Views)
The multi-material size optimization of transmission tower trusses is carried out in the present study. Three real-size examples are designed, and statically analyzed, and the Black Hole Mechanics Optimization (BHMO) algorithm, a recently developed metaheuristic optimizer methodology, is employed. The BHMO algorithm's innovative search strategy, which draws inspiration from black hole quantum physics, along with a robust mathematical kernel based on the covariance matrix between variables and their associated costs, efficiently converges to global optimum solutions. Besides, three alloys of steel are taken into account in these examples for discrete size variables, each of which is defined in the problem by a weighted coefficient in terms of the elemental weight. The results also indicate that using multiple materials or alloys in addition to diverse cross-sectional sizes leads to the lowest possible cost and the most efficient solution.
Keywords: Transmission Tower Truss, Black Hole Mechanics Optimization, Multi-Material Optimization, Meta-Heuristic Algorithms, Covariance Matrix, 3D Optimization
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