Stability of Periodic, Traveling-Wave Solutions to the Capillary Whitham Equation

Author:

Carter John D.,Rozman Morgan

Abstract

Recently, the Whitham and capillary Whitham equations were shown to accurately modelthe evolution of surface waves on shallow water. In order to gain a deeper understanding of theseequations, we compute periodic, traveling-wave solutions for both and study their stability. Wepresent plots of a representative sampling of solutions for a range of wavelengths, wave speeds, waveheights, and surface tension values. Finally, we discuss the role these parameters play in the stabilityof these solutions.

Funder

National Science Foundation

Publisher

MDPI AG

Subject

Fluid Flow and Transfer Processes,Mechanical Engineering,Condensed Matter Physics

Reference27 articles.

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2. Linear and Nonlinear Waves;Whitham,1974

3. Traveling waves for the Whitham equation;Ehrnström;Differ. Integr. Equ.,2009

4. On the existence and stability of solitary-wave solutions to a class of evolution equations of Whitham type

5. Existence of solitary-wave solutions to nonlocal equations

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