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Oblique impact of an elongated three-dimensional body on a thin liquid layer

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Abstract

The problem of the impact of an elongated solid body with a blant bottom on a thin layer of an ideal incompressible liquid is considered in the case where the horizontal component of the body velocity is much greater than its vertical component. The initial stage of the impact, during which the contact area between the body and the liquid is rapidly expanding, is studied. The loads on the body are determined by strip theory. The method of matched asymptotic expansions is used to determine the position and size of the contact area in each section. The considered problem is coupled: the liquid flow due to the motion of the body and the body motion itself are determined simultaneously. A system of integrodifferential equations was derived and used for both numerical investigation of the body motion under the action of hydrodynamic loads and for determination of the hydrodynamic pressure distribution over the contact area.

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Authors and Affiliations

  1. Lavrentyev Institute of Hydrodynamics, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    E. A. Batyaev & T. I. Khabakhpasheva

  2. Novosibirsk State University, Novosibirsk, 630090, Russia

    E. A. Batyaev & T. I. Khabakhpasheva

Authors
  1. E. A. Batyaev
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  2. T. I. Khabakhpasheva
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Correspondence to E. A. Batyaev.

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Original Russian Text © E.A. Batyaev, T.I. Khabakhpasheva.

Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 57, No. 1, pp. 187–198, January–February, 2016. Original article submitted August 6, 2014.

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Batyaev, E.A., Khabakhpasheva, T.I. Oblique impact of an elongated three-dimensional body on a thin liquid layer. J Appl Mech Tech Phy 57, 163–172 (2016). https://doi.org/10.1134/S0021894416010181

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  • DOI: https://doi.org/10.1134/S0021894416010181

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