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Extreme Properties of Oscillations of an Elliptical Float

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Abstract

The extreme amplitude and frequency properties of oscillations of a thin (symmetric with respect to both axes) elongated flat body of elliptical form are studied in the neighborhood of an interface of stably stratified ideal liquids. The numerical and analytical solving procedures were developed for a self-consistent boundary value problem on an asymptotically longtime interval, which leads to their significant radiation decay and evolution in oscillation frequency. Similar characteristics found earlier by the authors for floats of other forms are compared, and the significant quantitative and qualitative differences are established.

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Funding

This work was supported by the Russian Foundation for Basic Research, project nos. 16-01-00412 and 17-01-00538.

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Authors and Affiliations

  1. Ishlinskii Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, Russia

    L. D. Akulenko & V. G. Baydulov

  2. Bauman Moscow State Technical University, Moscow, Russia

    L. D. Akulenko & V. G. Baydulov

Authors
  1. L. D. Akulenko
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  2. V. G. Baydulov
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Corresponding author

Correspondence to V. G. Baydulov.

Additional information

Translated by E. Oborin

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Akulenko, L.D., Baydulov, V.G. Extreme Properties of Oscillations of an Elliptical Float. Dokl. Phys. 64, 297–300 (2019). https://doi.org/10.1134/S1028335819070048

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  • DOI: https://doi.org/10.1134/S1028335819070048

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