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Research Article · Open access · Published 2 November 2020

Geometrical and Physical Effects on the Instability of a Fluid-Conveying Pipe

Dahmane Mouloud1, Samir Zahaf2, Benkhettab Mohamed3, Djilali Boutchicha1 & Mawhoub Soubih4

Current Research in Bioinformatics, Volume 9, Issue 1, pp. 56–69 · doi.org/10.3844/ajbsp.2020.56.69

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Abstract

The endeavor of this paper is to calculate frequencies and critical velocity of pipe carrying incompressible fluid are obtained using standard finite element method. Finite element beam type with two degrees of freedom per node was used. The natural frequencies of our system are calculated by using a program developed on MATLAB. The results are compared with those predicted by the differential transformation method and with other results listed in the literature, where several examples were studied, for pipes with different boundary conditions: Pinned-pinned and clamped-pinned. We determine the influence of the effect of mass ratio, length and elastic foundation of the proper frequencies and the critical velocity for fluid conveying pipe to study and analyze instability with its concepts.

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Mouloud, D., Zahaf, S., Mohamed, B., Boutchicha, D. & Soubih, M. (2020). Geometrical and Physical Effects on the Instability of a Fluid-Conveying Pipe. Current Research in Bioinformatics, 9(1), 56–69. https://doi.org/10.3844/ajbsp.2020.56.69

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Geometrical and Physical Effects on the Instability of a Fluid-Conveying PipeCurrent Research in Bioinformatics · Volume 9, Issue 1 · pp. 56–69 · CC BY 3.0Download