Volume 13, Issue 4 (10-2023)                   2023, 13(4): 413-438 | Back to browse issues page

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Shahrouzi M, Emamzadeh S, Naserifar Y. A HYBRID SIMULATED ANNEALING, PARTICLE SWARM AND ANT COLONY OPTIMIZATION FOR DESIGN OF DOUBLE CURVED DAMS. International Journal of Optimization in Civil Engineering 2023; 13 (4) :413-438
URL: http://ijoce.iust.ac.ir/article-1-564-en.html
Abstract:   (6339 Views)
Shape optimization of a double-curved dam is formulated using control points for interpolation functions. Every design vector is decoded into the integrated water-dam-foundation rock model. An enhanced algorithm is proposed by hybridizing particle swarm algorithm with ant colony optimization and simulated annealing. The best experiences of the search agents are indirectly shared via pheromone trail deposited on a bi-partite characteristic graph. Such a stochastic search is further tuned by Boltzmann functions in simulated annealing. The proposed method earned the first rank in comparison with six well-known meta‑heuristic algorithms in solving benchmark test functions. It captured the optimal shape design of Morrow Point dam, as a widely addressed case-study, by 21% reduced concrete volume with respect to the common USBR design practice and 16% better than the particle swarm optimizer. Such an optimal design was also superior to the others in stress redistribution for better performance of the dam system.
 
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Type of Study: Research | Subject: Optimal design
Received: 2023/07/7 | Accepted: 2023/10/18 | Published: 2023/10/18

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