Abstract
Calculations are performed for the field of a surface acoustic wave in a viscous fluid layer–elastic halfspace system with allowance for the shear components in the fluid. The mechanism of radiation pressure acting on a liquid and associated with the nonlinearity of the equations of hydrodynamics is considered. The spatial distributions of the radiation pressure force that arises in a viscous fluid because of a standing surface wave are calculated. It is shown that allowing for viscosity produces an additional force directed toward the center of the system, and shear components result in considerable gradients of radiation pressure near the interface between the media.
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This work was supported by the Russian Foundation for Basic Research, project no. 20-02-00493.
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Translated by K. Gumerov
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Gusev, V.A., Zharkov, D.A. Fields of Radiation Forces in a Layer of Viscous Liquid. Bull. Russ. Acad. Sci. Phys. 85, 626–631 (2021). https://doi.org/10.3103/S1062873821060113
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DOI: https://doi.org/10.3103/S1062873821060113