Stability analysis and vibration reduction for a two-dimensional nonlinear system

doi:10.1142/S0219455413500314

淡江大學機構典藏 > 工學院 > 航空太空工程學系暨研究所 > 期刊論文 > Item 987654321/80558

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題名:	Stability analysis and vibration reduction for a two-dimensional nonlinear system
作者:	Wang, Yi-ren;Lin, Han-shiang
貢獻者:	淡江大學航空太空工程學系
關鍵詞:	Vibration absorber;nonlinear vibration;flutter speed
日期:	2013-06
上傳時間:	2013-03-20 16:19:36 (UTC+8)
出版者:	Singapore: World Scientific Publishing
摘要:	This study examines how the vibration absorbers influence the stability of nonlinear flow-solid interaction systems. A novel approach is proposed for the analysis of dynamic stability of the two-dimensional nonlinear system using the internal resonance contour plot (IRCP) and flutter speed contour plot (FSCP). The system considered is a planar rigid-body with plunge and pitch vibrations. The two ends of the body are supported by cubic nonlinear springs with quadratic damping. The vibration absorber attached beneath is also considered as a rigid body, with the mass and position of the absorber adjusted for optimization of vibration reduction. The method of multiple scales (MOMS) is employed to obtain a fixed point solution. The P-method is also adopted to obtain the eigen plot and Poincaré Map for comparison. Finally, both the IRCP with FSCP are cross-referenced to provide guide-lines for identifying the optimal location for the absorber with regard to stability and vibration reduction without the need to alter the framework of the main body.
關聯:	International Journal of Structural Stability and Dynamics 13(5), pp.1350031(30pages)
DOI:	10.1142/S0219455413500314
顯示於類別:	[航空太空工程學系暨研究所] 期刊論文

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