摘要
梁柱连接件是混凝土试件成型机的重要组成部件,为提高框架结构的安全性、可靠性和稳定性,针对某型号混凝土试件成型机的梁柱连接件,通过拓扑优化和尺寸优化实现轻量化设计.首先,对现有梁柱连接件进行拓扑优化设计,并根据拓扑优化结果开展二次设计;其次对二次设计后的梁柱连接件构建尺寸优化模型,采用正交试验和方差分析筛选出对性能响应影响较大的结构参数作为设计变量,以成型机连接件质量最小为优化目标构建尺寸优化模型;最后,通过建立响应面优化模型进行求解获得最优的尺寸参数组合.研究结果表明,经过拓扑优化和尺寸优化后,连接件在质量方面降低了1.472 9 kg,减重比例达27.5%.
The beam column connector is an important component of the concrete specimen forming machine.In order to improve the safety,reliability,and stability of the frame structure,the beam column connector of a certain model of concrete specimen forming machine is lightweight through topology optimization and size optimization.Firstly,perform topology optimization design on the existing beam column connectors,and carry out secondary design based on the topology optimization results.Secondly,for the beam column connectors after secondary design,a size optimization model is constructed.Orthogonal experiments and analysis of variance are used to select structural parameters that have a significant impact on performance response as design variables.The optimization objective is to minimize the quality of the forming machine connectors,and a size optimization model is constructed.Finally,the optimal combination of size parameters is obtained by establishing a response surface optimization model for solving.The research results indicate that after topology optimization and size optimization,the quality of the connectors has been reduced by 1.4729kg,with a weight reduction ratio of 27.5%.
作者
夏习强
王彦伟
XIA Xiqiang;WANG Yanwei(Wuhan Institute of Technology,1.School of Mechanical and Electrical Engineering;Hubei Provincial Key Laboratory of Chemical Equipment Intensification and Intrinsic Safety,Wuhan 438400,China)
出处
《湖南工程学院学报（自然科学版）》
2024年第2期14-21,共8页
Journal of Hunan Institute of Engineering(Natural Science Edition)
基金
国家自然科学基金项目(51373186)
湖北省教育厅重点科研项目(D20161506)。
关键词
梁柱连接件
有限元分析
拓扑优化
尺寸优化
beam column connectors
finite element analysis
topology optimization
size optimization
