Abstract
This paper presents static and dynamic analysis of tower structure supporting a 600KW wind turbine based on the theory of FEM. According to the static and dynamic characteristics of tower structure, the works about simplified models and confirming loads and boundary condition are discussed. In static analysis, under different work conditions the load bearing capacity of tower structure is analyzed with door opening in different directions and without door opening. In dynamic analysis, in order to address the impacts of the foundation on structure, the research discusses the natural frequency and eigenmode from the first sixth modes at the assumption of fixed base and the elastic subgrade. Comparative studies have been performed on the results of the above analysis and some useful conclusions are drawn pertaining to the effectiveness and accuracy of the various models used in the work. Our research work lays a solid foundation of the further static and dynamic analysis.
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