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Winkler地基上材料非线性矩形薄板的主共振

杨志安 韩彦斌

杨志安, 韩彦斌. Winkler地基上材料非线性矩形薄板的主共振[J]. 西南交通大学学报, 2007, 20(1): 61-65.
引用本文: 杨志安, 韩彦斌. Winkler地基上材料非线性矩形薄板的主共振[J]. 西南交通大学学报, 2007, 20(1): 61-65.
YANG Zhian, HAN Yanbin. Primary Resonance of Thin Rectangular Plate with Material Nonlinearity on Winkler Foundation[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 61-65.
Citation: YANG Zhian, HAN Yanbin. Primary Resonance of Thin Rectangular Plate with Material Nonlinearity on Winkler Foundation[J]. Journal of Southwest Jiaotong University, 2007, 20(1): 61-65.

Winkler地基上材料非线性矩形薄板的主共振

详细信息
    作者简介:

    杨志安(1963- ),男,教授,博士,研究方向为机电耦联非线性动力学及结构与振动工程,电话:0315-2028305,E-mail:yangzhian@eyou.com

Primary Resonance of Thin Rectangular Plate with Material Nonlinearity on Winkler Foundation

  • 摘要: 为了研究Winkler地基上材料非线性矩形薄板受简谐激励的非线性振动,应用弹性力学理论,建立了其动力学方程,并用Galerkin方法将其转化为非线性振动方程.应用非线性振动的多尺度法,求得系统主共振的近似解,并进行了数值计算.研究表明,随着阻尼系数、几何参数和激励幅值的改变,主共振响应曲线有跳跃和滞后现象,振幅随阻尼系数的增大而减小.此外,还对系统主共振响应方程进行了奇异性分析,得到了开折参数平面的转迁集和分岔图.

     

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出版历程
  • 收稿日期:  2006-01-09
  • 刊出日期:  2007-02-25

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