Abstract
Interaction of a quasi one-dimensional soliton of the Kadomtsev-Petviashvili (KP-II) equation with a moving local dipole, described by an additional term in the equation, is investigated analytically by means of the Lagrangian-averaging (Whitham's) technique. The main result of the interaction is the generation of left-and right-going flexural waves on the crest of the soliton. The generated flexural waves are found in an explicit form.
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