扭转(腹足类)
结构工程
涡轮叶片
刀(考古)
非线性系统
有限元法
工程类
边值问题
涡轮机
数学
机械工程
数学分析
量子力学
医学
物理
外科
作者
H. Z. Wu,Liangwen Qi,Naizhi Guo,Kezhong Shi,Jianzhong Xu,Qing'an Li,Xiaohui Zhong
摘要
The conventional full-scale wind turbine blade testing method is unable to study the detailed structural response of blades' key subcomponents under complex loads. Therefore, developing an efficient and reliable blade subcomponent testing method is of great significance for investigating the structural characteristics of blades. This paper develops an innovative blade subcomponent test method framework, which is capable of studying the structural response under combined bending and torsion load conditions. A high-fidelity finite element model corresponding to the framework that considers nonlinear factors is established. This study further investigated the influence of boundary conditions on the results. The results showed that the test method proposed in this paper is reasonable, and the experiment based on this method is successfully conducted. The contact nonlinearity and size effects will affect the accuracy of the test results, which can be avoided by adjusting the size of the clamp.
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