期刊
NONLINEAR DYNAMICS
卷 85, 期 3, 页码 1825-1835出版社
SPRINGER
DOI: 10.1007/s11071-016-2798-x
关键词
Conductive plate; Rotating motion; Free vibration; Magnetic field; Static load; Multiple scale method
资金
- National Natural Science Foundation of China [11472239]
- Hebei Provincial Natural Science Foundation of China [A2015203023]
- Key project of Science and technology Research of Higher Education of Hebei Province of China [ZD20131055]
The nonlinear free vibration of a conductive rotating thin circular plate subjected to static loads in magnetic field was investigated. The nonlinear vibration equations of the motion on a spinning circular thin plate were derived. According to the set of a displacement function, the approximate solution of the static problem and the magneto elastic axisymmetric vibration differential equation of the round plate were obtained through the application of Galerkin integral method. The characteristic formula between nonlinear frequency and amplitude using the static load as a parameter was obtained by the method of multiple scales. According to the numerical calculation, the characteristic curves of the relationship between frequency and the parameter such as the static load, the magnetic induction intensity and the speed of rotation were obtained. The nonlinear vibration characteristics of a spinning plate with clamped boundary condition were described according to the curves drawn by Matlab. We also showed that different parameters (including magnetic induction intensity, static load, time and spinning velocity.) have effect on the frequency of the plate.
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