Fourth order nonlinear evolution equation for interfacial gravity waves in the presence of air flowing over water and a basic current shear

• Autorzy: Majumder D. P. , Dhar A. K.

Identyfikatory

DOI

10.1515/ijame-2015-0035

• Języki publikacji: EN

Abstrakty

EN

A fourth order nonlinear evolution equation, which is a good starting point for the study of nonlinear water waves as first pointed out by Dysthe (1979) is derived for gravity waves propagating at the interface of two superposed fluids of infinite depth in the presence of air flowing over water and a basic current shear. A stability analysis is then made for a uniform Stokes gravity wave train. Graphs are plotted for the maximum growth rate of instability and for wave number at marginal stability against wave steepness for different values of air flow velocity and basic current shears. Significant deviations are noticed from the results obtained from the third order evolution equation, which is the nonlinear Schrödinger equation.

Słowa kluczowe

EN

nonlinear evolution equation; basic current shear; Stokes gravity wave

PL

równania nieliniowe; przepływy Stokes'a; grawitacja

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2015
• Tom: Vol. 20, no. 3
• Strony: 517--530
• Opis fizyczny: Bibliogr. 20 poz., wykr.

Twórcy

autor

Majumder D. P.

• Department of Mathematics Bengal Engineering and Science University, Shibpur P.O. Botanic Garden, Shibpur Howrah - 711103, West Bengal, INDIA

autor

Dhar A. K.

• Department of Mathematics Bengal Engineering and Science University, Shibpur P.O. Botanic Garden, Shibpur Howrah - 711103, West Bengal, INDIA

Bibliografia

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