طراحی بهینه شکل سدهای قوسی با استفاده از الگوریتم بهینه‌سازی ازدحام ذرات

فصلنامه علمی مهندسی منابع آب

مقاله 4، دوره 17، شماره 63، اسفند 1403، صفحه 53-64   

نوع مقاله: مقاله پژوهشی

شناسه دیجیتال (DOI): 10.30495/wej.2024.32130.2393

نویسندگان

سیدرضا موسوی¹؛ نادر برهمند^{* 1}؛ اکبر قنبری¹؛ آرش توتونچی²

¹گروه مهندسی عمران ، واحد لارستان، دانشگاه آزاد اسلامی، لار، ایران

²گروه مهندسی عمران ، واحد مرودشت، دانشگاه آزاد اسلامی، مرودشت، ایران

تاریخ دریافت: 21 تیر 1402،  تاریخ بازنگری: 15 شهریور 1402،  تاریخ پذیرش: 25 بهمن 1402 

چکیده

مقدمه: با توجه به اثرات احداث سدها در حوضه­ های پایین دست، لزوم بررسی وضعیت و اثرات آن ها یکی از مسائل مهم می­ باشد. در این مطالعه شکل بهینه سدهای دو قوسی بتنی با در نظر گرفتن اندرکنش ­های مختلف در برابر زلزله مورد بررسی قرار گرفت.
روش شناسی: حجم بتن مصرفی به عنوان تابع هدف مسأله بهینه ­سازی در نظر گرفته شده و متغیرهای طراحی پارامترهای هندسی سد بودند. تعداد 20 پارامتر هندسی مورد بررسی قرار گرفت. ابتدا سیستم سد-آب-پی با استفاده از روش اجزاء محدود شبیه ­سازی شد. سپس بهینه­ سازی با استفاده از الگوریتم بهینه سازی ازدحام ذرات (PSO) صورت گرفت.
یافته­ ها: برای ارزیابی عملکرد روش استفاده شده برای بهینه ­سازی سدهای قوسی، سد موروپونت به عنوان یک سازه واقعی انتخاب و تحت شرایط مختلف در برابر زلزله السنترو بهینه ­سازی شد. پارامترهای محاسباتی الگوریتم بهینه سازی  PSO نشان از عملکرد مناسب این الگوریتم داشت.
نتایج: به منظور درنظر گرفتن ماهیت تصادفی الگوریتم بهینه­ سازی، چهار اجرای مستقل از هم برای روش PSO انجام شد و نتایج آن ها جداگانه مورد بررسی قرار گرفت. نتایج نشان داد با تعداد 10000 تحلیل حجم بتن مصرفی برابر 346000 مترمکعب بدست آمد.

کلیدواژه‌ها

سدهای قوسی؛ الگوریتم PSO؛ سد موروپونت؛ شکل بهینه سد

عنوان مقاله [English]

The Optimum Design of Arch Dam Shape Using Particle Swarm Optimization Algorithm

نویسندگان [English]

Seyed Reza Mosavi¹؛ Nader Barahmand¹؛ Akbar Ghanbari¹؛ Arash Totonchi²

¹Department of Civil Engineering, Larestan Branch, Islamic Azad University, Lar, Iran

²Department of Civil Engineering, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran

چکیده [English]

Introduction: Considering the effects of building dams in downstream basins, the need to investigate their condition and effects is one of the important issues. In this study, the optimal form of concrete double-arched dams was investigated under various interactions against earthquakes.
Methods: The volume of concrete used was considered as the goal function of the optimization problem and the design variables were the geometric parameters of the dam. The twenty geometrical parameters were investigated. First, the dam-water-foundation system was simulated using the finite element method. Then the optimization was done using the particle swarm optimization (PSO).
Results: To check the performance of the method used to optimize arch dams, the Moropont dam was selected as a real structure and optimized under different conditions against the Centro earthquake. The calculation parameters of the PSO algorithm showed the proper performance of this algorithm.
Conclusion: To check the random nature of the optimization algorithm, four independent executions were performed for the PSO method and their results were analyzed separately. The results showed that with the number of 10,000 analyzes, the volume of concrete used was equal to 346,000 m³.

کلیدواژه‌ها [English]

Arched Dams, PSO algorithm, Moropoint dam, Optimal dam shape

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Peer:. Pacific Earthquake Engineering Research Center 2009 .