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    题名: Damping Effect of Pendulum Tuned Mass Damper on Vibration of Two-Dimensional Rigid Body
    作者: Wang, Yi-Ren;Hung, Ko-En
    贡献者: 淡江大學航空太空工程學系
    关键词: Tuned mass damper;vibration reduction;nonlinear vibration;internal resonance
    日期: 2015-03
    上传时间: 2014-07-31 13:05:46 (UTC+8)
    出版者: Singapore: World Scientific Publishing Company
    摘要: This study investigated the effect of a pendulum tuned mass damper (PTMD) on the vibration of a slender two-dimensional (2D) rigid body with 1:2 internal resonance. Focus is placed on the damping effect of various parameters of the PTMD on preventing the internal resonance of the system. The instruments used include fixed points plots, time response and Poincaré maps, which were compared for confirmation of accuracy. The Lagrange's equation is employed to derive the equations of motion for the system. The method of multiple scales (MOMS) is applied to analyzing this nonlinear vibration model. The internal resonance conditions of the rigid body in vibration are obtained by the eigen-analysis. Moreover, a 3D internal resonance contour plot (3D-IRCP) aided by various amplitude analysis tables is proposed for identification of the parameter combinations of the PTMD for preventing internal resonance. This approach enables the designers to evaluate the effectiveness of various parameter combinations of the PTMD prior to the design process. The present study indicates that without changing the main configuration, the vibration amplitudes in the main body can be greatly reduced under certain parameter combinations of the PTMD.
    關聯: International Journal of Structural Stability and Dynamics 15(2), pp.1450041(37pages)
    DOI: 10.1142/S0219455414500412
    显示于类别:[航空太空工程學系暨研究所] 期刊論文

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