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输液管道流固耦合非线性动力稳定分析

张立翔 黄文虎

张立翔, 黄文虎. 输液管道流固耦合非线性动力稳定分析[J]. 应用数学和力学, 2002, 23(9): 951-960.
引用本文: 张立翔, 黄文虎. 输液管道流固耦合非线性动力稳定分析[J]. 应用数学和力学, 2002, 23(9): 951-960.
ZHANG Li-xiang, HUANG Wen-hu. Analysis of Nonlinear Dynamic Stability of Liquid-Conveying Pipes[J]. Applied Mathematics and Mechanics, 2002, 23(9): 951-960.
Citation: ZHANG Li-xiang, HUANG Wen-hu. Analysis of Nonlinear Dynamic Stability of Liquid-Conveying Pipes[J]. Applied Mathematics and Mechanics, 2002, 23(9): 951-960.

输液管道流固耦合非线性动力稳定分析

基金项目: 国家自然科学基金资助项目(50079007);水利部重点水利科技资助项目(SZ9830);云南省自然科学基金资助项目(97E003G)
详细信息
    作者简介:

    张立翔(1959- ),男,云南石屏人,教授,博士,博士生导师(E-mail:zhanglx@public.km.yn.cn);黄文虎(1926),男,教授,中国工程院院士.

  • 中图分类号: VO353.1;U137

Analysis of Nonlinear Dynamic Stability of Liquid-Conveying Pipes

  • 摘要: 将弱约束输流管道非定常流液固耦合运动按波-流-振动系统建模成由4个非线性微分方程组成的分析模型,按模态进行分解研究系统在多种耦合状态下具有的运动稳定特性.以悬臂梁管道为例分析了耦合系统奇点的属性,得到了前四阶模态运动的相图.结果说明,多种耦合条件下输流管道的稳定性变得更为复杂,各阶模态运动具有不同的稳定特性.
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出版历程
  • 收稿日期:  2000-11-22
  • 修回日期:  2002-05-28
  • 刊出日期:  2002-09-15

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