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国际流体力学研究期刊
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.5

ISSN 打印: 2152-5102
ISSN 在线: 2152-5110

国际流体力学研究期刊

DOI: 10.1615/InterJFluidMechRes.v30.i2.30
13 pages

Generation of Surface Waves and Vortices by a Displacement of the Elliptic Part of the Basin's Bottom

S. F. Dotsenko
Marine Hydrophysical Institute of NAS of Ukraine, Sevastopol, Ukraine

ABSTRACT

The generation of spatial waves and vortices in a rotating fluid layer of constant depth is analyzed within the limits of the linear model of long waves. Small vertical finite-duration displacements of a part of the basin's bottom serve as the excitation source. The integral expressions for both the hydrodynamic fields and the total energy of the fluid motion are found. A number of general properties of the dynamic process are established. The influence of the rotation of medium on the dynamics of fluid is quantitatively estimated on the basis of the evaluation of the double integrals in the case of the linear finite-duration deformations of the elliptic segment of the basin's bottom. This problem is of obvious interest in the context of the effects accompanying the seismic generation of tsunami.


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