NONLINEAR VIBRATION AND INSTABILITY OF EMBEDDED VISCOSE-FLUID-CONVEYING PIPES USING DQM

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GHAITANI M.M.; GHORBANPOUR ARANI A.; KHADEMIZADEH H.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY Year:2014 | Volume:7 | Issue:1 (26) Page(s): 45-51

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Information Journal Paper

Title

NONLINEAR VIBRATION AND INSTABILITY OF EMBEDDED VISCOSE-FLUID-CONVEYING PIPES USING DQM

Author(s)

GHAITANI M.M. | GHORBANPOUR ARANI A. | KHADEMIZADEH H. | Issue Writer Certificate

Keywords

DQM

FLUID

INSTABILITY

NONLINEAR VIBRATION

WINKLER-MODEL

Abstract

In this paper, NONLINEAR VIBRATION and INSTABILITY response of an embedded pipe conveying viscose FLUID is investigated. The pipe is considered as a Timoshenko beam embedded on an elastic foundation which is simulated by spring constant of the WINKLER-MODEL and the shear constant of the Pasternak-model. The external flow force, acting on the beam in the direction of the flexural displacement is described by Navier-Stokes equation. The corresponding governing equations are obtained using Hamilton's principle considering nonlinear strains and first shear deformation theory. In order to obtain the nonlinear frequency and critical FLUID velocity for clamped supported mechanical boundary condition at two ends of the pipe, Differential Quadrature Method (DQM) is used in conjunction with a program being written in MATLAB. The effect of dimensionless parameters such as aspect ratios of length to radius of the pipe, Winkler and Pasternak modules, FLUID velocity and viscosity as well as the material type of the pipe on the frequencies and INSTABILITY of pipe are investigated. Results indicate that the internal moving FLUID plays an important role in the INSTABILITY of the pipe. Furthermore, the nonlinear frequency and INSTABILITY increases as the values of the elastic medium constants and viscosity of FLUID increases.

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APA: Copy

GHAITANI, M.M., GHORBANPOUR ARANI, A., & KHADEMIZADEH, H.. (2014). NONLINEAR VIBRATION AND INSTABILITY OF EMBEDDED VISCOSE-FLUID-CONVEYING PIPES USING DQM. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, 7(1 (26)), 45-51. SID. https://sid.ir/paper/654281/en

Vancouver: Copy

GHAITANI M.M., GHORBANPOUR ARANI A., KHADEMIZADEH H.. NONLINEAR VIBRATION AND INSTABILITY OF EMBEDDED VISCOSE-FLUID-CONVEYING PIPES USING DQM. INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY[Internet]. 2014;7(1 (26)):45-51. Available from: https://sid.ir/paper/654281/en

IEEE: Copy

M.M. GHAITANI, A. GHORBANPOUR ARANI, and H. KHADEMIZADEH, “NONLINEAR VIBRATION AND INSTABILITY OF EMBEDDED VISCOSE-FLUID-CONVEYING PIPES USING DQM,” INTERNATIONAL JOURNAL OF ADVANCED DESIGN AND MANUFACTURING TECHNOLOGY, vol. 7, no. 1 (26), pp. 45–51, 2014, [Online]. Available: https://sid.ir/paper/654281/en

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