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Stability of Nonlinear Oscillations of A Spherical Layer of an Ideal Fluid

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Journal of Applied Mechanics and Technical Physics Aims and scope

Abstract

The nonstationary motion of a spherical layer of an ideal fluid is investigated taking into account the adiabatic distribution of gas pressure in the internal cavity. The existence of nonlinear oscillations of the layer is established, and their period is determined. It is shown that there is only one equilibrium state of the layer. Amplitude equations taking into account the action of capillary forces on the surfaces of the layer in a linear approximation are obtained and used to study the stability of nonlinear oscillations of the layer. The limiting cases of a spherical bubble and soap film are considered.

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Authors and Affiliations

  1. Institute of Computational Modeling, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russia

    V. K. Andreev

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  1. V. K. Andreev
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Correspondence to V. K. Andreev.

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Original Russian Text © V.K. Andreev.

Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2019, Vol. 60, No. 2, pp. 137–147, March–April, 2019.

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Andreev, V.K. Stability of Nonlinear Oscillations of A Spherical Layer of an Ideal Fluid. J Appl Mech Tech Phy 60, 303–313 (2019). https://doi.org/10.1134/S0021894419020111

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  • DOI: https://doi.org/10.1134/S0021894419020111

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