MEModern Engineering2996-69732996-6981Art and Technology10.61369/ME.8309Article陆上风力发电机基础疲劳损伤全过程分析https://artdesignp.com/journal/ME/1/3/10.61369/ME.8309林旭亮,张元海,程才淑,颜鸿民2024132024-05-20本文旨在研究陆上风力发电机基础的疲劳损伤演化全过程。首先，引入了一种基于竞争机制的混凝土疲劳损伤本构模型，以准确反映混凝土基础的疲劳特征。在此基础上，通过将本构模型与基于循环跳跃的疲劳加速算法相结合，提出了一种高效稳健的风力发电机基础疲劳损伤全过程分析方法。最后，以广东乳源风电场中一台2.0MW 陆上风力发电机基础为例，进行了风力发电机基础疲劳全过程分析，获得了风力发电机基础在全寿命期间的疲劳损伤演化规律。研究结果证实，本文提出的方法在工程应用中具有较高的实用性和指导价值。陆上风力发电机,基础,疲劳损伤,本构模型

[1] 周新刚，孔会．某风机钢筋混凝土基础破坏实例及有限元分析［J］．中国电力，2014, 47(02): 116-119.[2] S. Bisoi, S. Haldar. Dynamic analysis of offshore wind turbine in clay considering soil–monopile–tower interaction［J］．Soil Dynamics and Earthquake Engineering, 2014, 63: 19-35.[3] 霍涛．风速风向对风机塔筒结构动力响应和疲劳寿命的影响［J］．建筑结构，2020,50(18):8.[4] 李炜，李华军，郑永明，等．海上风电基础结构疲劳寿命分析［J］．水利水运工程学报，2011, 3: 70-76.[5] 汪宏伟．采用环梁加固风机基础的有限元分析［J］．可再生能源，2016, 34(04):558-562.[6] J. Velarde, C. Kramhøft, J.D. Sørensen. Global sensitivity analysis of offshore wind turbine foundation fatigue loads［J］．Renewable Energy, 2019, 140: 177-189.[7] J. Liang, X. Ren, J. Li. A competitive mechanism driven damage-plasticity model for fatigue behavior of concrete［J］．International Journal of Damage Mechanics,2016, 25: 377-399.[8] J. Wu, J. Li, R. Faria. An energy release rate-based plastic-damage model for concrete［J］．International Journal of Solids and Structures, 2006, 43: 583-612.[9] J.Y. Cognard, P. Ladevèze. A large time increment approach for cyclic viscoplasticity［J］．International Journal of Plasticity, 1993, 9: 141-157.[10] J. Liang, Z. Ding, J. Li. Analytical method for fatigue process of concrete structures［J］．Journal of Building Structures, 2017, 38: 149-157.