地震荷载作用下双曲拱坝多目标最优化的荷电系统搜索法
Multi-objective optimization of double curvature arch dams subjected to seismic loading using charged system search
摘要：
本文提出了一种拱坝优化设计的多目标公式。其目标是同时减少混凝土体积和坝体的应力状态。而不是一个单一的设计，多目标问题提供了一组帕累托解决方案，其中决策者的方法可以选择最佳答案，根据其喜好。为了解决这个新问题，一个多目标充电系统搜索作为一个有效的元启发式也被开发。以一个实际双曲拱坝为算例，对该算法进行了验证。计算结果表明，该方法与现有的拱坝优化算法相比具有很强的竞争力。
英文摘要：
This paper presents a multi-objective formulation for optimization of arch dams. The objective is to simultaneously minimize the concrete volume and stress state of the dam body. Instead of a single design, the multi-objective problem provides a set of Pareto solutions in which a decision maker approach can select best answer according to its preferences. To solve this new problem, a multi-objective charged system search as an efficient meta-heuristic is also developed. The proposed algorithm is evaluated on a real-size double curvature arch dam. The computational results show that the proposed methodology is highly competitive with existing arch dam optimization algorithms.
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