A novel hybrid Harris hawks-simulated annealing algorithm and RBF-based metamodel for design optimization of highway guardrails

IF 2.4 4区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING

Materials Testing Pub Date : 2020-02-25 DOI:10.3139/120.111478

Enes Kurtuluş, A. Yıldız, S. M. Sait, Sujin Bureerat

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引用次数: 105

Abstract

Abstract In this paper, a novel hybrid optimization algorithm is introduced by hybridizing a Harris hawks optimization algorithm(HHO) and simulated annealing for the purpose of accelerating its global convergence performance and optimizing structural design problems. This paper is the first research study in which the hybrid Harris hawks simulated annealing algorithm (HHOSA) is used for the optimization of design parameters for highway guardrail systems. The HHOSA is evaluated using the well-known benchmark problems such as the three-bar truss problem, cantilever beam problem, and welded beam problem. Finally, a guardrail system that has an H1 containment level as a case study is optimized to investigate the performance of the HHOSA. The guardrail systems are designed with different cross-sections and distances between the posts. TB11 and TB42 crash analyses are performed according to EN 1317 standards. Twenty-five different designs are evaluated considering weight, the guardrail working width, and the acceleration severity index (ASI). As a result of this research, the optimum design of a guardrail is obtained, which has a minimum weight and acceleration severity index value (ASI). The results show that the HHOSA is a highly effective approach for optimizing real-world design problems.

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基于rbf的高速公路护栏设计优化元模型与哈里斯鹰模拟退火算法

摘要本文将Harris hawks优化算法(HHO)与模拟退火算法相结合，提出了一种新的混合优化算法，以加速其全局收敛性能并优化结构设计问题。本文首次将混合哈里斯鹰模拟退火算法(HHOSA)用于高速公路护栏系统设计参数的优化研究。采用三杆桁架问题、悬臂梁问题和焊接梁问题等著名的基准问题对HHOSA进行了评估。最后，以具有H1密封级别的护栏系统为例进行了优化，以调查HHOSA的性能。护栏系统的设计具有不同的横截面和立柱之间的距离。TB11和TB42的碰撞分析是根据EN 1317标准进行的。考虑到重量、护栏工作宽度和加速严重性指数(ASI)，对25种不同的设计进行了评估。研究结果得出了具有最小重量和加速度严重性指标值(ASI)的护栏的最优设计。结果表明，HHOSA是优化实际设计问题的一种高效方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Testing 工程技术-材料科学：表征与测试

CiteScore

4.20

自引率

36.00%

发文量

165

审稿时长

4-8 weeks

期刊介绍： Materials Testing is a SCI-listed English language journal dealing with all aspects of material and component testing with a special focus on transfer between laboratory research into industrial application. The journal provides first-hand information on non-destructive, destructive, optical, physical and chemical test procedures. It contains exclusive articles which are peer-reviewed applying respectively high international quality criterions.