15 March 2018 Preliminary studies on SMA embedded wind turbine blades for passive control of vibration
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Abstract
Wind turbine blades are being bigger and bigger, thus requiring lightweight structures that are more flexible and thus more sensitive to dynamic excitations and to vibration problems. This paper investigates a preliminary architecture of large wind turbine blades, embedding thin sheets of SMA to passively improve their total damping. A phenomenological material model is used for simulation of strain-dependent damping in SMA materials and an user defined material model was developed for this purpose. The response of different architectures of SMA embedded blades have been investigated in the time domain to find an optimal solution in which the less amount of SMA is used while the damping of the system is maximized
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P. Haghdoust, P. Haghdoust, S. Cinquemani, S. Cinquemani, A. Lo Conte, A. Lo Conte, } "Preliminary studies on SMA embedded wind turbine blades for passive control of vibration", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105953B (15 March 2018); doi: 10.1117/12.2292645; https://doi.org/10.1117/12.2292645
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