淡江大學機構典藏:Item 987654321/80558
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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/80558


    Title: Stability analysis and vibration reduction for a two-dimensional nonlinear system
    Authors: Wang, Yi-ren;Lin, Han-shiang
    Contributors: 淡江大學航空太空工程學系
    Keywords: Vibration absorber;nonlinear vibration;flutter speed
    Date: 2013-06
    Issue Date: 2013-03-20 16:19:36 (UTC+8)
    Publisher: Singapore: World Scientific Publishing
    Abstract: 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.
    Relation: International Journal of Structural Stability and Dynamics 13(5), pp.1350031(30pages)
    DOI: 10.1142/S0219455413500314
    Appears in Collections:[Graduate Institute & Department of Aerospace Engineering] Journal Article

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