王谦,张君华

• 1:北京信息科技大学机电工程学院

摘要(Abstract)：

针对风机叶片大型化引起的非线性效应显著问题，对大型风机叶片进行基于几何精确梁理论的弯曲振动动力学建模，将叶片视为欧拉-伯努利（Euler-Bernoulli）梁，对叶片的动能、弹性势能、重力势能、所受气动载荷及其做功进行推导，利用哈密顿原理建立其非线性动力学方程。将理论计算与ABAQUS有限元模型计算的固有频率进行对比，验证所推导理论模型的正确性与科学性。通过比较有无蜂窝结构填充时风机叶片振动的最大挠度，说明蜂窝填充能够有效减少叶片振动并提升风力发电机运行能力。

关键词(KeyWords)： 风力发电机叶片;MW级;动力学方程;有限元仿真;蜂窝填充

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(12272057,12372004);; 河北省自然科学基金项目(A2023202041)

作者(Author): 王谦,张君华

DOI: 10.16508/j.cnki.11-5866/n.2026.01.005

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