NDLI: Dynamical bifurcation and synchronization of two nonlinearly coupled fluid-conveying pipes

Content Provider	Springer Nature Link
Author	Lü, Lei Hu, Yujin Wang, Xuelin Ling, Lin Li, Chenggang
Copyright Year	2014
Abstract	The coupling effects of fluid-conveying pipe bundle are important issues due to the interactions between the pipes by connecting structures and/or flow environment. However, the researches on the dynamical synchronization of coupled pipes are still insufficient. This paper focuses on the synchronization phenomenon of two equivalent fluid-conveying pipes coupled by a nonlinear spring. The system equations were discretized by applying Galerkin expansion method, and numerical solutions were obtained for two-pipe system with simply supported conditions. The results indicated that the two-pipe system existed several different synchronization patterns including perfect, imperfect, lag, strange synchronization and failed pattern. The results also revealed that the system dynamic behavior is sensitive to flow or structure parameters of the individual pipe. By means of selecting the coupling spring parameters or designing proper structure configurations, the two pipes can be synchronized to similar dynamical states and vibration behaviors, which might be much simpler than that of the individual pipe. Thus, this finding provides theoretically a possible, even effective way to control the two-pipe vibrations and to achieve target dynamics simultaneously.
Starting Page	2715
Ending Page	2734
Page Count	20
File Format	PDF
ISSN	0924090X
Journal	Nonlinear Dynamics
Volume Number	79
Issue Number	4
e-ISSN	1573269X
Language	English
Publisher	Springer Netherlands
Publisher Date	2014-12-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Pipes conveying pulsating fluid Nonlinear coupling Bifurcation patterns Dynamical synchronization Similarity function Vibration, Dynamical Systems, Control Mechanics Mechanical Engineering Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Ocean Engineering Applied Mathematics Control and Systems Engineering Mechanical Engineering Electrical and Electronic Engineering Aerospace Engineering

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