• 更多栏目

    王跃方

    • 教授     博士生导师   硕士生导师
    • 性别:男
    • 毕业院校:大连理工大学
    • 学位:博士
    • 所在单位:力学与航空航天学院
    • 学科:动力学与控制. 工程力学. 计算力学
    • 办公地点:大连理工大学,力学楼505室。
    • 联系方式:电子邮件:yfwang@dlut.edu.cn,QQ号:1043160457。
    • 电子邮箱:yfwang@dlut.edu.cn

    访问量:

    开通时间:..

    最后更新时间:..

    Stability analyses for axially moving strings in nonlinear free and aerodynamically excited vibrations

    点击次数:

    论文类型:期刊论文

    发表时间:2008-10-01

    发表刊物:International Symposium on Nonlinear Dynamics

    收录刊物:SCIE、EI、CPCI-S、Scopus

    卷号:38

    期号:2

    页面范围:421-429

    ISSN号:0960-0779

    摘要:Nonlinear free vibration and stability problems are investigated for axially moving strings in transverse motions. The equation of nonlinear, free motion is derived and discretized using the Galerkin's method. The method of multiple time scale is adopted to obtain the approximate response. It is pointed out that the motion stays stable for transportations with speed less than the linear critical speed. For taut strings that move with large transport speeds, the stability of the equilibrium configuration under steady aerodynamic excitation is explicitly analyzed. Based on the Routh-Hurwitz criterion, the condition for Hopf bifurcation is presented with multiple parameters for transverse motions perturbed in the vicinity of the equilibrium configurations. (C) 2006 Elsevier Ltd. All rights reserved.