Naradovyy V. Modeling of internal and surface weakly nonlinear wave packets in a stratified fluid

Українська версія

Thesis for the degree of Candidate of Sciences (CSc)

State registration number

0415U006214

Applicant for

Specialization

  • 01.02.05 - Механіка рідини, газу та плазми

26-11-2015

Specialized Academic Board

Д 26.062.05

Essay

In the dissertation the problem of the propagation weakly nonlinear wave packets in two-layer hydrodynamic system of "a layer with the rigid bottom - a layer with a free surface" is investigated. The method of the multiple scale is used. The evolution equations for bypasses of wave packets on the interface and the free surface are deduced. The form and interaction of wave packets are investigated. Analysis of modulational stability of internal and surface wave packets depending on various parameters of the system is conducted. The expressions for the energy transferred by internal and surface waves are obtained.

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