The phenomenon of vibrational resonance (VR) in an overdamped system with a sextic double-well potential under the excitation of two different periodic signals is investigated. The approximate analytical expression of the resonance amplitude.. at the low-frequency omega is obtained. The VR is observed, and the values of.. (the amplitude of the high-frequency signal) and Omega (the frequency of the high-frequency signal) at which VR occurs are determined. Moreover, the relationship between B and Omega is revealed. The theoretical predictions are found to be in good agreement with the numerical results.
机构:
Clemson Univ, Dept Mech Engn, Nonlinear Vibrat & Energy Harvesting Lab, Clemson, SC 29634 USAClemson Univ, Dept Mech Engn, Nonlinear Vibrat & Energy Harvesting Lab, Clemson, SC 29634 USA
Abusoua, Abdrouf
Daqaq, Mohammed F.
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机构:
NYU Abu Dhabi, Engn Div, Saadiyat Campus Expt Res Bldg C1,044 POB 129188, Abu Dhabi, U Arab EmiratesClemson Univ, Dept Mech Engn, Nonlinear Vibrat & Energy Harvesting Lab, Clemson, SC 29634 USA
Daqaq, Mohammed F.
JOURNAL OF COMPUTATIONAL AND NONLINEAR DYNAMICS,
2018,
13
(06):