Simple dynamic model of wind turbine tower with experimental verification (CROSBI ID 230355)
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Đukić, Predrag ; Wolf, Hinko ; Jani, Barle
engleski
Simple dynamic model of wind turbine tower with experimental verification
The main goal in designing the wind turbine is ensuring structural safety and optimal operational performance. Key aspects to be addressed are: long design life, sensitivity of structure to vibration and resonance, non- deterministic wind loads with significant time variations and micro-location dependence. In order to achieve these goals, a simple dynamic lumped-mass model of a conic tubular steel wind turbine tower has been developed in this paper. The tower stiffness matrix is determined by considering the stiffness of a cantilever beam with variable cross-section, and lumped masses for each conical segment are determined in such a way that the centres of gravity of conical segments match their actual position in the structure. There is a very good agreement between the measured field data and the results obtained by the developed simple numerical model.
wind turbine ; dynamic model ; verification ; monitoring
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