Abstract
Axisymmetric oscillations of a rigid spherical body in a column of ideal incompressible liquid with a plane boundary in the form of a free liquid surface or a rigid wall within a round cylindrical cavity are considered. The potential and pressure fields are plotted; expressions are obtained for the kinetic energy of the system and the hydrodynamic forces acting on the body. The resistance of the liquid to accelerated movement of the body is determined as a function of the distance to the boundary, for various parameter values. For specified oscillations of the body, the results obtained for axisymmetric conditions in a halfspace are compared with those obtained in an infinite cylindrical cavity.
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Translated from Prikladnaya Mekhanika, Vol. 35, No. 12, pp. 11–18, December, 1999.
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Kubenko, V.D., Kuz'ma, A.V. Influence of the boundary of a column of incompressible liquid in investigating axisymmetric oscillations of a solid sphere in a cavity. Int Appl Mech 35, 1199–1206 (1999). https://doi.org/10.1007/BF02682392
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DOI: https://doi.org/10.1007/BF02682392