Optimal design of spatial structures by a novel meta-heuristic algorithm: Sound energy optimizer

IF 3.9 2区 工程技术 Q1 ENGINEERING, CIVIL
Amir Mohammad Taghavi , Mohsen Shahrouzi
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引用次数: 0

Abstract

Sound signals are used by various species of living creaters to commonicate with each other. Scientific experiments have demonstrated that sound energy can travel through media and cause the receiver objects to vibrate or move. The present work simulates such a phenomenon in development of a new meta-heuristic algorithm called: Sound Energy Optimizer (SEO). Concerning physical rules, SEO leverages natural or ambient sounds for optimization. SEO utilizes a tunable virtual machine to control the decaying pattern of the sound energy in a medium representing the search space. Performance of the proposed algorithm is first evaluated on unconstrained optimization of some mathematical test functions. Then, a variety of pin-jointed structural problems are optimized including space tower, double-layer grid, barrel vault, helipad structure and power transmission towers. In this set, performance evaluation is done not only against the previous works but also by running SEO versus eight recent meta-heuristics under fair comparison conditions. New quantitative indices are introduced and traced as well as the common statistical measures and convergence curves. The results demonstrate competitive performance of SEO versus recent meta-heuristics in the discrete and continuous design of spatial structures.
利用新型元启发式算法优化空间结构设计:声能优化器
声音信号被各种生物用来相互交流。科学实验证明,声能可以穿过介质,使接收物体振动或移动。目前的工作就是模拟这种现象,开发一种新的元启发式算法,称为 "声能优化器"(SEO):声能优化器(SEO)。关于物理规则,SEO 利用自然或环境声音进行优化。SEO 利用可调虚拟机来控制代表搜索空间的介质中的声能衰减模式。首先在对一些数学测试函数进行无约束优化时对所提算法的性能进行了评估。然后,对包括太空塔、双层网格、桶状拱顶、直升机停机坪结构和输电塔在内的各种针连接结构问题进行了优化。在这组问题中,不仅对照以前的作品进行了性能评估,还在公平的比较条件下将 SEO 与最近的八种元启发式进行了比较。引入并跟踪了新的定量指标以及常用的统计量和收敛曲线。结果表明,在空间结构的离散和连续设计中,SEO 与最近的元启发式相比具有很强的竞争力。
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来源期刊
Structures
Structures Engineering-Architecture
CiteScore
5.70
自引率
17.10%
发文量
1187
期刊介绍: Structures aims to publish internationally-leading research across the full breadth of structural engineering. Papers for Structures are particularly welcome in which high-quality research will benefit from wide readership of academics and practitioners such that not only high citation rates but also tangible industrial-related pathways to impact are achieved.
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