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基于有限差分法和有限元法的大型风电叶片刚度计算

Jiao-tong JIN,Li-gen LIU,Hang DENG,Xue-bin Feng,Chao-yi PENG,Jing-cheng ZENG

Machine Design & Research（2012）

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Abstract
以某型号2.5 MW风电叶片为研究对象,分别用有限差分法和有限元法计算了叶片在挥舞方向和摆振方向上的挠度分布,并与试验数据进行了对比分析,结果表明,两种方法的计算数据与试验数据基本吻合,满足工程计算精度要求.在叶片结构设计中,两种方法相互校核,提高了计算的可靠性.
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Key words
wind turbine blade,finite element method,stiffness,finite difference method
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