Patterns on liquid surfaces: cnoidal waves, compactons and scaling

Details Patterns on liquid surfaces: cnoidal waves, compactons and scaling Patterns on liquid surfaces: cnoidal waves, compactons and scaling

2000-03-26

arxiv.org/abs/physics/0003077v1

Physica D {\bf 123} (1998) 82

Physics

Fluid Dynamics

14 pages RevTex, 5 figures in ps

Scientific paper

10.1016/S0167-2789(98)00113-4

Localized patterns and nonlinear oscillation formation on the bounded free surface of an ideal incompressible liquid are analytically investigated . Cnoidal modes, solitons and compactons, as traveling non-axially symmetric shapes are discused. A finite-difference differential generalized Korteweg-de Vries equation is shown to describe the three-dimensional motion of the fluid surface and the limit of long and shallow channels one reobtains the well known KdV equation. A tentative expansion formula for the representation of the general solution of a nonlinear equation, for given initial condition is introduced on a graphical-algebraic basis. The model is useful in multilayer fluid dynamics, cluster formation, and nuclear physics since, up to an overall scale, these systems display liquid free surface behavior.

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