Vibration Characteristics Analysis of Wind Turbine Towers under Foundation Conditions
作者： Xi Song , Yin Guang Wu , Jie Yu Li , Rong Zhen Zhao
DOI: 10.4028/WWW.SCIENTIFIC.NET/AMM.446-447.721
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摘要: Based on a kind of 1.5MW large-scale horizontal axis wind turbine tower, the mechanical modeling tower-foundation is established, static and dynamic analysis model carried out by ANSYS software. The top displacement system calculated to meet design requirements in engineering. In analysis, each pile foundation equivalent group springs for simulation vertical rigidity pile. influence mass elasticity tower modes analyzed, natural frequency within certain scope different directions about piles foundation. results show that influenced significantly rigidity. study provides theoretical basis optimal turbine.
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