4.6 Article

Dynamical analysis of rational and semi-rational solution for a new extended (3+1)-dimensional Kadomtsev-Petviashvili equation

Journal

MATHEMATICAL METHODS IN THE APPLIED SCIENCES
Volume 46, Issue 2, Pages 1772-1788

Publisher

WILEY
DOI: 10.1002/mma.8608

Keywords

bilinear form; hydrodynamic; integrability; interaction; Kadomtsev-Petviashvili equation; lump soliton; rational solution; rogue wave; semi-rational solution

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This paper proposes a new extended (3 + 1)-dimensional Kadomtsev-Petviashvili equation that describes a unique dispersion effect about x,z plane. Its integrability is confirmed via the WTC-Kruskal algorithm in Painleve sense. The paper systematically derives various soliton, breather, and solitary wave solutions of the equation and explores the rational and semi-rational solutions in the long wave limit.
This paper proposes a new extended (3 + 1)-dimensional Kadomtsev-Petviashvili equation that portrays a unique dispersion effect about x,z$$ x,z $$. Its integrability is confirmed via the WTC-Kruskal algorithm in Painleve sense. N$$ N $$-soliton, breather, and O$$ O $$-type solitary wave are derived systematically at first. Then, the mixed solution composed of soliton and breather is obtained. In addition, the long wave limit is employed to construct rational and semi-rational solution. The rational solution can be classified as rogue wave, T$$ T $$-type solitary wave, and lump wave. The semi-rational solution has the form a hybrid of two solitons, a hybrid of rogue wave and soliton, a hybrid of lump and soliton(s), and a hybrid of lump and breather. The results may help simulate complex waves and their interactions in fluid.

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