DYNAMICS OF A NONHARMONICALLY FORCED IMPACT OSCILLATOR

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题名:	DYNAMICS OF A NONHARMONICALLY FORCED IMPACT OSCILLATOR
作者:	TUNG,PC
贡献者:	機械工程學系
关键词:	HARMONICALLY EXCITED SYSTEM;RIGID AMPLITUDE CONSTRAINTS;BIFURCATIONS;MOTIONS
日期:	1992
上传时间:	2010-06-29 18:08:42 (UTC+8)
出版者:	中央大學
摘要:	We consider the dynamic response of a single-degree-of-freedom system subjected to nonharmonic excitation. The model consists of a mass attached to a linear spring and a linear viscous dashpot impacting a rigid obstruction with a coefficient of velocity restitution. The amplitude and stability of the periodic responses are determined and bifurcation analysis for these motions is carried out by using the piecewise linear feature. Period-doubling bifurcations, tangent bifurcation, and crisis occur in our model. Some parameter regions which contain no simple stable periodic motions are shown to possess chaotic motions. Lyapunov exponents are computed over a range of forcing periods. Discrete mapping is used to calculate the Lyapunov exponents for the piecewise linear system due to the fact that the discontinuity occurs at impact with the stop.
關聯:	JSME INTERNATIONAL JOURNAL SERIES III-VIBRATION CONTROL ENGINEERING ENGINEERING FOR INDUSTRY
显示于类别:	[機械工程研究所] 期刊論文

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