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International Journal of Fluid Mechanics Research

ISSN for PRINT: 1064-2277

Institutional price:	$1811.00
Issues per year:	6

Best Paper Award Selection - Editorial Board Site

2007, Volume34

106 pages

DOI: 10.1615/InterJFluidMechRes.v34.i5

Issue price - $335.00

Features of Wave-Packet Propagation in Two-Layer Fluid of Finite Depth

I. T. Selezov
Institute of Hydromechanics of National Academy of Sciences of Ukraine, Zhelyabov St., 8/4, Kyiv, 03680, MSP, Ukraine

O. V. Avramenko
Kirovograd State Pedagogical University, Ukraine

Yu. V. Gurtovy
Kirovograd State Pedagogical University, Ukraine

ABSTRACT

Propagation of wave-packet at the interface between two fluid layers with different properties is investigated taking into account the surface tension. Using the method of multiple scale expansions the evolution equation is obtained in the third approximation. The wave-packet structure is analyzed and compared with the similar wave-packets in the systems “half-space/half-space” and “layer/half-space”. The wave-packet shape and conditions of the second harmonic resonance are investigated. The conditions of wave-packet propagation of the ∪-form are presented and characteristic features of resonance region are determined.