水平轴风力机叶片的结构设计与有限元分析  

Structural Design and Finite Element Analysis of Wind Turbine Blade with Horizontal Shaft

作　　者：刘涛[1] 朱旭[1] 杨成[1] 孙会伟[1] 

机构地区：[1]兰州理工大学机电工程学院,兰州730050

出　　处：《机械制造》2013年第9期4-6,共3页Machinery

基　　金：国家自然科学基金资助项目(编号:50965011)

摘　　要：设计了一种1.5 MW水平轴风力机叶片模型,运用ANSYS Workbench对叶片模型添加材料属性、划分网格、施加载荷与约束进行有限元分析。进行了叶片在静止状态和有预应力作用两种工况下的结构模态计算,分析了叶片在被施加极限挥舞载荷作用下的表面应力分布情况,计算了叶片的最小模态频率和最大应力分布情况。It has designed a model for 1.5MW wind turbine blade with horizontal shaft and adopts ANSYS Workbench to perform the finite element analysis for the properties of filler material of the blade model, meshing, applied load and restriction. It also conducts structural modal calculations with blades under stationary condition or under pre-stress effect as well as the analysis of the surface stress distribution as the waving load limit is applied to the blades. In the end it presents the calculation of the minimum modal frequency and maximum stress distributed in the blades.

关 键 词：风力机 叶片 划分网格 模态分析 极限挥舞载荷 

分 类 号：TH123[机械工程—机械设计及理论] TK83[动力工程及工程热物理—流体机械及工程]