中国机械工程2016，Vol.27Issue(21)：2949-2955,7.DOI:10.3969/j.issn.1004-132X.2016.21.019
基于反演识别法的有限元模型校正
Finite Element Model Updating Based on Inversion Method of Identification
摘要
Abstract
In dynamic analysis,a method to identify parameters of contact surfaces was put for-ward.The finite element model of mechanical structure was set up,and its key contact surface was re-placed by spring-damper elements.Then the modality calculation was carried out.The obj ective func-tion was built by combining the calculation results with the experimental results.Finally,the optimal parameters were obtained by the fitting of BP neural network and parameter optimization of genetic al-gorithm.The method was applied to the vertical grinder to obtain the parameters of contact surface. The results show that the method of identifying the parameters of contact surfaces is feasible.关键词
立式磨床/模态试验/有限元计算/神经网络/遗传算法Key words
vertical grinding machine/modal test/finite element calculation/neural network/ge-netic algorithm分类
机械制造引用本文复制引用
陈永亮,刘德帅,刘玉坤,彭涛..基于反演识别法的有限元模型校正[J].中国机械工程,2016,27(21):2949-2955,7.基金项目
国家自然科学基金资助项目(51275347) （51275347）
天津市重大科技专项(12ZCDZGX45000) （12ZCDZGX45000）
天津市自然科学基金重点资助项目(13JCZDJC35000) （13JCZDJC35000）
