NONLINEAR DYNAMICS AND SYNCHRONIZATION OF TWO COUPLED PIPES CONVEYING PULSATING FLUID

被引：1
|
作者：
Qiao Ni [1 ]
Zilong Zhang [1 ]
Lin Wang [1 ]
Qin Qian [1 ]
Min Tang [1 ]
机构：
[1] Hubei Key Laboratory for Engineering Structural Analysis and Safety Assessment, Department of Mechanics, Huazhong University of Science and Technology
来源：
Acta Mechanica Solida Sinica | 2014年 / 27卷 / 02期
基金：
中国国家自然科学基金;
关键词：
pipe conveying pulsating fluid; nonlinear dynamics; coupled two-pipe system; synchronization;
D O I：
暂无
中图分类号：
O322 [非线性振动];
学科分类号：
080101 ;
摘要：
In this paper, the nonlinear dynamical behavior of two coupled pipes conveying pulsating fluid is studied. The connection between the two pipes is considered as a distributed linear spring. Based on this consideration, the equations of motion of the coupled two-pipe system are obtained. The two coupled nonlinear partial differential equations, discretized using the fourthorder Galerkin method, are solved by a fourth-order Runge-Kutta integration algorithm. Results show that the connection stiffness has a significant effect on the dynamical behavior of the coupled system. It is found that for some parameter values the motion types of the two pipes might be synchronous.
引用
收藏
页码：162 / 171
页数：10
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