A new approach for smart control of size-dependent nonlinear free vibration of viscoelastic orthotropic piezoelectric doubly-curved nanoshells
作者： Changsong Zhu , Xueqian Fang , Jinxi Liu
DOI: 10.1016/J.APM.2019.07.027
关键词: Nonlinear system 、 Harmonic balance 、 Vibration 、 Active vibration control 、 Vibration control 、 Displacement (vector) 、 Equations of motion 、 Physics 、 Mechanics 、 Orthotropic material
摘要: Abstract The focus of this paper is on the active control nonlinear free vibration viscoelastic orthotropic piezoelectric doubly-curved smart nanoshells with surface effects. To achieve an efficient damping in control, a velocity feedback law introduced to carry out present study. Within framework piezoelectricity theory and Kelvin–Voigt model, equations motion, including effect internal effect, are derived from generalized Hamilton's principle. By using harmonic balance method solve responses system without presented. effects energy, viscous coefficient, initial displacement, aspect ratio gain studied. Numerical results show that these parameters, especially gain, play significant role nanoshell.
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