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存在内共振的覆冰四分裂导线的非线性舞动

严波 刘小会 赵莉 周林抒

严波, 刘小会, 赵莉, 周林抒. 存在内共振的覆冰四分裂导线的非线性舞动[J]. 应用数学和力学, 2014, 35(1): 39-49. doi: 10.3879/j.issn.1000-0887.2014.01.005
引用本文: 严波, 刘小会, 赵莉, 周林抒. 存在内共振的覆冰四分裂导线的非线性舞动[J]. 应用数学和力学, 2014, 35(1): 39-49. doi: 10.3879/j.issn.1000-0887.2014.01.005
YAN Bo, LIU Xiao-hui, ZHAO Li, ZHOU Lin-shu. Nonlinear Galloping of Iced Quad-Bundle Conductors With Internal Resonances[J]. Applied Mathematics and Mechanics, 2014, 35(1): 39-49. doi: 10.3879/j.issn.1000-0887.2014.01.005
Citation: YAN Bo, LIU Xiao-hui, ZHAO Li, ZHOU Lin-shu. Nonlinear Galloping of Iced Quad-Bundle Conductors With Internal Resonances[J]. Applied Mathematics and Mechanics, 2014, 35(1): 39-49. doi: 10.3879/j.issn.1000-0887.2014.01.005

存在内共振的覆冰四分裂导线的非线性舞动

doi: 10.3879/j.issn.1000-0887.2014.01.005
基金项目: 国家自然科学基金(51277186; 51308570)
详细信息
    作者简介:

    严波(1965―),男,重庆人,教授,博士(通讯作者. E-mail: boyan@cqu.edu.cn).

  • 中图分类号: TM752;V211;O322

Nonlinear Galloping of Iced Quad-Bundle Conductors With Internal Resonances

Funds: The National Natural Science Foundation of China(51277168; 51308570)
  • 摘要: 采用非线性有限元方法模拟研究存在内共振的覆冰四分裂导线的非线性舞动.通过稳定风场和随机风场中典型覆冰四分裂线路舞动过程的数值模拟,研究当覆冰四分裂导线的对称面内模态频率与面外模态频率之比接近于2∶1,即存在内共振条件时,导线的舞动特征.结果表明,存在内共振的覆冰四分裂导线在舞动过程中, 其能量在竖直面内运动和横向水平面外运动之间不断交换,与不存在内共振线路的舞动特征差别明显. 研究结果对舞动耦合机理的理解具有重要的理论意义
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出版历程
  • 收稿日期:  2013-10-17
  • 修回日期:  2013-11-27
  • 刊出日期:  2014-01-15

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