Vol. 16, Special Issue, November 2012, pp. 197-202

Abstract: Pipe was very extensive used in the modern industrial field and playing an extremely important role. Distribution of energy and mechanism of vibration course are reflected accurately by research on pipe vibration considering fluid structure interaction, which was accord with the actual conditions, and it’s significant to reducing vibration and noise. The pipe conveying fluid is studied in this paper considering the factors such as the work of gravity, the change of liquid pressure and the liquid viscosity. According to the Hamilton's principle, the equations of the lateral and axial motion of the pipe conveying fluid are set up under the condition of fluid structure interaction. In modeling, in order to solve and simulate conveniently, poisson coupling and friction coupled is considered. Meanwhile, the effect of high-order small parameter on system, the part relocation parameters, coupling terms between the pipe’s axial and lateral is neglected. Therefore the theoretical foundation is provided for the further analysis and calculation.

Keywords: Pipe, Vibration, Fluid, Poisson coupling, Friction coupled

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