ANALYSIS OF NONLINEAR DYNAMIC STABILITY OF LIQUID-CONVEYING PIPES

被引：0
作者：
张立翔
黄文虎
机构：
[1] Department of Engineering Mechanics
[2] Kunming University of Science and Technology
[3] Kunming
[4] P R China
[5] School of Aeronautics
[6] Harbin Institute of Technology
[7] Harbin
来源：
Applied Mathematics and Mechanics(English Edition) | 2002年 / 09期
关键词：
piping flow; fluid structure interaction; nonlinear vibration; bifurcation;
D O I：
暂无
中图分类号：
O322 [非线性振动];
学科分类号：
080101 ;
摘要：
<正> Nonlinearly dynamic stability of flexible liquid-conveying pipe in fluid structure interaction was analyzed by using modal disassembling technique . The effects of Poisson . Junction and Friction couplings in the wave-flowing-vibration system on the pipe dynamic stability were included in the analytical model constituted by four nonlinear differential equations . An analyzing example of cantilevered pipe was done to illustrate the dynamic stability characteristics of the pipe in the full coupling mechanisms , and the phase curves related to the first four modal motions were drawn . The results show that the dynamic stable characteristics of the pipe are very complicated in the complete coupling mechanisms, and the kinds of the singularity points corresponding to the various modal motions are different.
引用
收藏
页码：1071 / 1080
页数：10
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