任意周期間数励振を受ける連続体の定常衝突振動解析 : 付加質量を持つ単純支持はりの場合(機械力学,計測,自動制御)

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This paper deals with impact vibration in continuous system excited by periodic displacement with arbitrary functions. The analytical model is a system of steady collision vibration with an attached mass in simply supported-beam at both ends. The attached mass collides elastically with clamped spring of asymmetrical faces. In order to clarify the main resonance of the system subjected to excitation by displacement, the resulting vibrations are analyzed using the Fourier series method and an exact solution is proposed for this system. Following the theoretical analyses, numerical calculations are performed, and the resonance curves are made using the resulting vibrations. Effects of the stiffness of clamped spring, the ratio of attached mass and the amplitude of excitation on the resonance curves are shown by numerical results. For verification of the analytical method, experiments are also performed. The numerical results are in a fairly good agreement with the experimental ones
2005-12-25