Journal
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION
Volume 101, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.cnsns.2021.105867
Keywords
The extended BKP-Boussinesq equation; Breather wave; Shock wave; Localized excitation solutions
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The extended BKP-Boussinesq equation is studied to construct various types of breather waves, multi-shocks waves, and localized excitation structures. The original model is transformed into its bilinear form to obtain these solutions, which are found for the first time. The new approaches are direct, elementary, and effective, with potential applications to other nonlinear partial differential equations.
The extended BKP-Boussinesq equation is considered to construct abundant breather waves, multi-shocks waves and localized excitation solutions. We first transform the origi-nal model to its bilinear form through a logarithmic transformation relation. Then, by set-ting a simple ansatz as a combinations of exponential and sinusoidal functions to obtain various breather waves solutions. We successfully archive five types of breather waves and depict graphically. Taking Burger model as an auxiliary equation, we derive multi-shock waves solutions to illustrate the overtaking collisions and energy distribution of the ex-tended model sufficiently. Finally, we keep a simple variable separable ansatz solution to derive localized excitation structures of the model. Most of these solutions are found for the first time. Furthermore, the results disclose that the new approaches are very direct, elementary, effective and can be used for many other NLPDEs, which develop the various types of dynamical properties of any wave model. (c) 2021 Elsevier B.V. All rights reserved.
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