期刊
EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION
卷 15, 期 1, 页码 91-102出版社
SPRINGER
DOI: 10.1007/s11803-016-0307-3
关键词
renewable energy; horizontal axis wind turbines; aerodynamic-seismic load interaction; aerodynamic damping; coupled simulations
资金
- National Renewable Energy Laboratory (NREL) [DE-AC36-08GO28308]
The wide deployment of wind turbines in locations with high seismic hazard has led engineers to take into account a more comprehensive seismic design of such structures. Turbine specific guidelines usually use simplified methods and consider many assumptions to combine seismic demand with the other operational loads effecting the design of these structures. As the turbines increase in size and capacity, the interaction between seismic loads and aerodynamic loads becomes even more important. In response to the need for a computational tool that can perform coupled simulations of wind and seismic loads, a seismic module is developed for the FAST code and described in this research. This platform allows engineers working in this industry to directly consider interaction between seismic and other environmental loads for turbines. This paper details the practical application and theory of this platform and provides examples for the use of different capabilities. The platform is then used to show the suitable earthquake and operational load combination with the implicit consideration of aerodynamic damping by estimating appropriate load factors.
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