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Sunday, August 2, 2020 | History

3 edition of Interfacial solitary waves in a two-fluid medium found in the catalog.

Interfacial solitary waves in a two-fluid medium

Lloyd R. Walker

Interfacial solitary waves in a two-fluid medium

by Lloyd R. Walker

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  • 30 Currently reading

Published .
Written in English


Edition Notes

Statementby Lloyd R. Walker.
Classifications
LC ClassificationsMicrofilm 42309 (Q)
The Physical Object
FormatMicroform
Paginationp. 1796-1804.
Number of Pages1804
ID Numbers
Open LibraryOL2018386M
LC Control Number90950424

Benney and Luke [3] were among the first to consider oblique interactions of solitary waves, in which the waves approach each other at an angle other than 0or Miles [11] gave the complete second order solution for obliquely interacting surface solitary waves, classifying the interactions as strong (slow) if the angle of approach is near 0and weak (fast) if the angle of approach is near The strong interaction . Internal waves are gravity waves that oscillate within a fluid medium, rather than on its surface. To exist, the fluid must be stratified: the density must change (continuously or discontinuously) with depth/height due to changes, for example, in temperature and/or the density changes over a small vertical distance (as in the case of the thermocline in lakes and oceans or an.

  Steady solitary and generalized solitary waves of a two-fluid problem where the upper layer is under a flexible elastic sheet are considered as a model for internal waves under an ice-covered ocean. The fluid consists of two layers of constant densities, separated by an interface. The long-wave model describing travelling waves is constructed by means of scaling procedure with a small Boussinesq parameter. It is demonstrated that solitary wave regimes can be affected by the Kelvin–Helmholtz instability arising due to interfacial velocity shear in the upstream flow.

the solitary waves, [18, 22]. Specifically, the presence of surface tension makes an elevation solitary wave narrower than a solitary wave of the Serre equations with the same speed. Moreover, depending on the value of the Bond number B, the solitary waves can be either of elevation or of depression type. For the short slope the following waves are somewhat less regular. Again there is no evidence of formation of new solitary wave formation in Figs. 8b and 8d, but a radiating series of dispersive waves is seen. The lead solitary wave is reduced to maximum negative displacements of −19 m by m water depth in all cases.


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Interfacial solitary waves in a two-fluid medium by Lloyd R. Walker Download PDF EPUB FB2

The design of a programmed, variable flux wavemaker for efficiently generating interfacial waves is discussed. Solitary waves are generated on the interface between two immiscible liquids with free upper surface; their behavior is generally consistent with that predicted by the Korteweg-de Vries by: Interfacial solitary waves in a two-fluid medium.

The speed difference appears consistent with an interfacial viscous boundary layer. The critical depth ratio separating the elevation and depression modes of the stable gravity solitary wave agrees with prediction in the inviscid limit.

The design of a programmed, variable flux wave maker Author: L. Walker. Interfacial solitary waves in a two-fluid medium: Author(eng) Walker, L. Issue Date: Language: eng: Description: Solitary waves are generated on the interface between two immiscible liquids with free upper surface; their behavior is generally consistent with that predicted by the Korteweg-de Vries equation.

Book Search tips Selecting this option will search all publications across the Scitation platform Selecting this option will search all publications for The role of the free surface on interfacial solitary waves Physics of Flu “ Internal solitary waves in a two Author: G.

la Forgia, G. Sciortino. The results of an experimental investigation dealing with finite-amplitude internal solitary waves in a two-fluid system are presented.

Particular attention is paid to characterizing solitons in terms of their shape and amplitude–wavelength scale relationship. Two cases are considered, viz., a shallow- and a deep-water configuration, in order to study the depth effect upon the propagational characteristics of the by: The oblique interaction of interfacial solitary waves is studied in an inviscid two-layer deep-fluid system.

We first derive the interaction equations correct up to the second order in an amplitude parameter by employing a systematic perturbation method. An experimental study of internal solitary waves in a two-layer liquid. Authors; Authors and affiliations; “Interfacial solitary waves in a two-fluid medium,” Phys.

Fluids, 16, C. Koop and G. Butler, “An investigation of internal solitary waves in a two-fluid medium,” J. This paper deals with progressing solitary waves at the interface of two superimposed fluids of different densities.

In the case of a two-fluid system bounded above and below by rigid walls, we refer to the wave as guided. If the top wall is absent, that is, the top fluid has its free surface exposed to air, the wave. Steady solitary and generalized solitary waves of a two-fluid problem where the upper layer is under a flexible elastic sheet are considered as a model for internal waves under an ice-covered ocean.

The fluid consists of two layers of constant densities, separated by an interface. Fully nonlinear internal waves in a two-fluid system In particular, for a solitary wave of given amplitude, the new models show that the characteristic wavelength is larger and our equations track only one (interfacial) free surface.

Our techniques would work for. The linear stability of interfacial solitary waves in a two-layer fluid Takeshi Kataoka Department of Mechanical Engineering, Faculty of Engineering, Kobe. Abstract: In this paper, we discuss the solitary waves at the interface of a two-layer incompressible inviscid fluid confined by two horizontal rigid walls, taking the effect of surface tension into of all, we establish the basic equations suitable for the model considered, and hence derive the Korteweg-de Vries(KdV) equation satisfied by the first-order elevation of the.

After the initial observation by John Scott Russell of a solitary wave in a canal, his insightful laboratory experiments and the subsequent theoretical work of Boussinesq, Rayleigh and Korteweg and de Vries, interest in solitary waves in fluids lapsed until the mid s with the seminal paper of Zabusky and Kruskal, which described the discovery of the soliton.

tion of solitary waves in a three-layer fluid (Rusås and Grue, ) allows for the inv estigation of both mode-1 and mode- 2 waves, including broad flat-centered wav es and extreme. Propagation regimes of interfacial solitary waves in a three-layer fluid Article (PDF Available) in Nonlinear Processes in Geophysics 22(2) March with 55 Reads How we measure 'reads'.

Purchase Waves on Fluid Interfaces - 1st Edition. Print Book & E-Book. ISBNThe selection first elaborates on finite-amplitude interfacial waves, instability of finite-amplitude interfacial waves, and finite-amplitude water waves with surface tension. Solitary Waves on Density Interfaces.

This book is devoted to one of the most interesting and rapidly developing areas of modern nonlinear physics and mathematics - the theoretical, analytical and advanced numerical study of the structure and dynamics of one-dimensional as well as two- and three-dimensional solitons and nonlinear waves described by Korteweg-de Vries (KdV), Kadomtsev-Petviashvili (KP), nonlinear Schrödinger (NLS Format: Hardcover.

In all cases, solitary interfacial waves in this numerical theory tally with the experimental data. When the layer thicknesses are almost equal (ratio of lower layer to total depth equal to or ) both the KdV-mKdV and the numerical solutions match the experimental points.

INTERNAL SOLITARY WAVES IN TWO-FLUID SYSTEMS face. The existence of periodic and solitary wave was shown, the latter waves being obtained as the limit of periodic ones with ever-increasing periods. In the present paper, to obtain large amplitude waves in the case of.

Free‐surface solitary waves and interfacial solitary waves in a two‐fluid system with a rigid lid are known to satisfy certain exact relations involving integral quantities (mass, kinetic and potential energy, etc.). It is shown here that similar relations are satisfied by interfacial solitary waves in a two‐fluid system with a free upper surface and by surface solitary waves in a three.

tion of solitary waves in a three-layer fluid (Rusås and Grue, ) allows for the investigation of both mode-1 and mode-2 waves, including broad flat-centered waves and extreme (overhanging) waves. The similarity of mode-1 waves to the interfacial waves in a two-layer fluid is the probable reason.() Long-wave transverse instability of interfacial gravity–capillary solitary waves in a two-layer potential flow in deep water.

Journal of Engineering Mathematics() Gevrey regularity for a class of water-wave models.Interfacial Wave Motion of Very Large Amplitude: Formulation in Three Dimensions and Numerical Experiments ☆ Author links open overlay panel John Grue Show more.