Conservation Law, Stability Analysis, Degenerate Lump and Traveling Wave Solutions for (2+1)-Dimensional KP-BBM Equation

• Autores: Yuhong Xu, Jalil Manafian, Onur Alp Ilhan, Arezu Aghazadeh, A.A. Fattah, K.H. Mahmoud, Rawaa Abbas Barhe, Wael Dheaa Kadhim
• Localización: Qualitative theory of dynamical systems, ISSN 1575-5460, Vol. 24, Nº 6, 2025
• Idioma: inglés
• Enlaces
  • Texto completo
• Resumen

  • By employing the Hirota’s bilinear and a novel limit method, the degenerate lump solutions containing anomalous scattering of lumps and weak interaction ofmultiple lumps are obtained to investigated the (2+1)-dimensional KP-BBM equation. The anomalous scattering of two lumps and also the asymptotic behavior of the anomalous scattering lumps are analyzed with more describing of the obtained solutions.Additionally,weak interactions of multiple lumps is also investigated. Moreover, the interaction between lump and scattering lumps is also found. This paper also presents an improved analytical method for solving the KP-BBM equation. The method involves transforming the equations into an ordinary differential equation and proposing a new form of solutions expressed as a polynomial with positive power. These rare degenerate lump solutions can enrich the understanding of lump properties. The novel conservation law theorem is investigated. The traveling wave solutions to mentioned model using the improved tan(φ/2)-expansion approach are explored. Stability properties to three type of solutions including periodic, soliton and kink solutions are analyzed and these solutions have been proven to be stable. The modulation instability analysis along with analysis of graphs is arrived. The proposed strategies are reliable and effective. The nonlinear KP-BBM admits a wide variety of innovative solutions. To illustrate the physical structure and attributes of the obtained solitons, this study depicts density plots along with three- and two-dimensional graphs. The visual representations of some of the solutions in the figures help to understand the physical characteristics of the numerous new soliton solutions and their corresponding behaviors. The results obtained imply that the concerned approach yield typical, effective, and compatible wave solutions and can be used for other nonlinear evolution equations. In short, the abstract can be stated as follows: • The main objective is finding degenerate lump solutions and traveling solutions; • The specific methods are Hirota bilinear method, conservation law, improved tan(φ/2)-expansion approach and modulation instability analysis; • The novelty of the findings is investigating an important model with applicable methods where abundant solutions are achieved.

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