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Axisymmetric Vortex Fluid Flow in a Long Elastic Tube

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

A mathematical model for axisymmetric eddy motion of a perfect incompressible fluid in a long tube with thin elastic walls is proposed. Necessary and sufficient conditions for hyperbolicity of the system of equations of motion for flows with monotonic radial velocity profiles are formulated. The propagation velocities of the characteristics of the system under study and the characteristic shape of this system are calculated. The existence of simple waves continuously attached to a given steady shear flow is proved. The group of transformations admitted by the system is found, and submodels that determine invariant solutions are given. By integrating factor‐systems, new classes of exact solutions of equations of motion are found.

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  1. Lavrent'ev Institute of Hydrodynamics, Siberian Division, Russian Academy of Sciences, Novosibirsk, 630090

    A. A. Chesnokov

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  1. A. A. Chesnokov
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Chesnokov, A.A. Axisymmetric Vortex Fluid Flow in a Long Elastic Tube. Journal of Applied Mechanics and Technical Physics 42, 628–637 (2001). https://doi.org/10.1023/A:1019251730222

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  • DOI: https://doi.org/10.1023/A:1019251730222

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