Hybrid particle swarm optimization and group method of data handling for the prediction of ultimate strength of concrete-filled steel tube columns

IF 4 2区工程技术 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Advances in Engineering Software Pub Date : 2024-06-18 DOI:10.1016/j.advengsoft.2024.103708

Chubing Deng , Xinhua Xue

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Abstract

This study presents a hybrid model coupling particle swarm optimization (PSO) with group method of data handling (GMDH) for predicting the ultimate strength of rectangular concrete-filled steel tube (RCFST) columns. A large database of 490 data samples collected from the existing literature was used to construct the model. Compared with the optimal model among the nine existing models, the coefficient of variation (COV), mean absolute percentage error (MAPE) and root relative squared error (RRSE) values of all datasets of the PSO-GMDH model were decreased by 58.38 %, 69.22 % and 64.27 %, respectively; while the coefficient of determination (R²) and a20-index values were increased by 34.32 % and 8.65 %, respectively. The results show that the predicted results of PSO-GMDH model are in good agreement with the experimental results and can accurately predict the ultimate strength of rectangular RCFST columns. In addition, a graphical user interface (GUI) has been developed to facilitate the application of the PSO-GMDH model.

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用于预测混凝土填充钢管柱极限强度的混合粒子群优化和数据处理群方法

本研究提出了一种将粒子群优化（PSO）与分组数据处理法（GMDH）相结合的混合模型，用于预测矩形混凝土填充钢管（RCFST）柱的极限强度。在构建模型时，使用了从现有文献中收集的包含 490 个数据样本的大型数据库。与现有 9 个模型中的最优模型相比，PSO-GMDH 模型所有数据集的变异系数 (COV)、平均绝对百分比误差 (MAPE) 和根相对平方误差 (RRSE) 值分别降低了 58.38 %、69.22 % 和 64.27 %；而决定系数 (R2) 和 a20 指数值分别提高了 34.32 % 和 8.65 %。结果表明，PSO-GMDH 模型的预测结果与实验结果非常吻合，可以准确预测矩形 RCFST 柱的极限强度。此外，还开发了图形用户界面（GUI），以方便 PSO-GMDH 模型的应用。

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来源期刊

Advances in Engineering Software 工程技术-计算机：跨学科应用

CiteScore

7.70

自引率

4.20%

发文量

169

审稿时长

37 days

期刊介绍： The objective of this journal is to communicate recent and projected advances in computer-based engineering techniques. The fields covered include mechanical, aerospace, civil and environmental engineering, with an emphasis on research and development leading to practical problem-solving. The scope of the journal includes: • Innovative computational strategies and numerical algorithms for large-scale engineering problems • Analysis and simulation techniques and systems • Model and mesh generation • Control of the accuracy, stability and efficiency of computational process • Exploitation of new computing environments (eg distributed hetergeneous and collaborative computing) • Advanced visualization techniques, virtual environments and prototyping • Applications of AI, knowledge-based systems, computational intelligence, including fuzzy logic, neural networks and evolutionary computations • Application of object-oriented technology to engineering problems • Intelligent human computer interfaces • Design automation, multidisciplinary design and optimization • CAD, CAE and integrated process and product development systems • Quality and reliability.