中南大学学报（自然科学版）2025，Vol.56Issue(2)：651-659,9.DOI:10.11817/j.issn.1672-7207.2025.02.020
混塔式风力机塔筒有限元模型修正研究
Finite element model updating of steel-concrete wind turbine tower
摘要
Abstract
A finite element model updating method for steel-concrete wind turbine tower was proposed based on agent model and adaptive adjustment variance.Firstly,the Metropolis-Hastings(MH)sampling technique in Markov Chain Monte Carlo(MCMC)algorithm was used to solve the posterior probability density distribution of the measured frequency model.Furthermore,an adaptive method to adjust the variance of the proposed distribution in MH sampling was proposed,and the Kriging proxy model was used instead of the traditional finite element calculation to improve the computational efficiency of sampling iteration.Finally,the analysis and verification were carried out based on practical engineering cases.The results show that compared with the traditional MH sampling method,the proposed method can improve the correction efficiency of the model and reduce the error between the real model and the finite element model.关键词
风力机/贝叶斯估计/MCMC算法/代理模型/自适应方差/模态参数Key words
wind turbine/Bayesian estimation/MCMC algorithm/surrogate models/adaptive variance/modal parameters分类
土木建筑引用本文复制引用
唐伟伟,徐军,王丹,贺广零,吴强..混塔式风力机塔筒有限元模型修正研究[J].中南大学学报（自然科学版）,2025,56(2):651-659,9.基金项目
国家自然科学基金资助项目(52278178)(Project(52278178)supported by the National Natural Science Foundation of China) （52278178）
