Abstract
The nonlinear behaviors of a circular-cylinder piezoelectric power harvester (CCPPH) near resonance are analyzed based on the flow-induced flexural vibration mode. The geometrically-nonlinear effect of the cylinder is studied with considering the in-plane extension incidental to the large deflection. The boundary electric charges generated from two deformation modes, flexure and in-plane extension, were distinguished with each other because the charge corresponding to the latter mode produces no contribution to the output current. Numerical results on output powers show that there are multivaluedness and jump behaviors.
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Project supported by the National Natural Science Foundation of China (Nos. 10932004 and 11272127) and a grant from the Impact and Safety of Coastal Engineering Initiative, a Center of Excellence Program of Zhejiang Provincial Government at Ningbo University (No. zj1213)
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Wang, Hr., Xie, Jm., Xie, X. et al. Nonlinear characteristics of circular-cylinder piezoelectric power harvester near resonance based on flow-induced flexural vibration mode. Appl. Math. Mech.-Engl. Ed. 35, 229–236 (2014). https://doi.org/10.1007/s10483-014-1786-6
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DOI: https://doi.org/10.1007/s10483-014-1786-6