Gravity waves under nonuniform pressure over a free surface. Exact solutions

Plane periodic oscillations of an infinitely deep fluid are studied in the case of a nonuniform pressure distribution over its free surface. The fluid flow is governed by an exact solution of the Euler equations in the Lagrangian variables. The dynamics of an oscillating standing soliton are describ...

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Veröffentlicht in:Fluid dynamics 2013-09, Vol.48 (5), p.679-686
Hauptverfasser: Abrashkin, A. A., Solov’ev, A. G.
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Solov’ev, A. G.
description Plane periodic oscillations of an infinitely deep fluid are studied in the case of a nonuniform pressure distribution over its free surface. The fluid flow is governed by an exact solution of the Euler equations in the Lagrangian variables. The dynamics of an oscillating standing soliton are described, together with the scenario of the soliton evolution and the birth of a wave of an anomalously large amplitude against the background of the homogeneous Gerstner undulation (freak wave model). All the flows are nonuniformly vortical.
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subjects Classical and Continuum Physics
Classical Mechanics
Computational fluid dynamics
Engineering Fluid Dynamics
Exact solutions
Fluid flow
Fluid- and Aerodynamics
Fluids
Mathematical analysis
Mathematical models
Nonuniform
Physics
Physics and Astronomy
Solitons
title Gravity waves under nonuniform pressure over a free surface. Exact solutions
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