Exact soliton solutions and the significance of time-dependent coefficients in the Boussinesq equation: theory and application in mathematical physics

Abstract

This article effectively establishes the exact soliton solutions for the Boussinesq model, characterized by time-dependent coefficients, employing the advanced modified simple equation, generalized Kudryashov and modified sine–Gordon expansion methods. The adaptive applicability of the Boussinesq system to coastal dynamics, fluid behavior, and wave propagation enriches interdisciplinary research across hydrodynamics and oceanography. The solutions of the system obtained through these significant techniques make a path to understanding nonlinear phenomena in various fields, surpassing traditional barriers and further motivating research and application. Significant impacts of the coefficients of the equation, wave velocity, and related parameters are evident in the profiles of soliton-shaped waves in both 3D and 2D configurations when all these factors are treated as variables, which are not seen in the case for constant coefficients. This study enhances the understanding of the significant role played by nonlinear evolution equations with time-dependent coefficients through careful dynamic explanations and detailed analyses. This revelation opens up an interesting and challenging field of study, with promising insights that resonate across diverse scientific disciplines.

Exploring Novel Soliton Solutions to the Time-Fractional Coupled Drinfel’d–Sokolov–Wilson Equation in Industrial Engineering Using Two Efficient Techniques

“…Given the substantial interest and importance placed on obtaining exact solutions for NLEs, numerous researchers have endeavored to employ a diverse array of mathematical techniques to achieve this objective. These techniques encompass a wide spectrum of methodologies, including the modified simple equation method [12], the generalized (G ′ /G)-expansion technique [13], the ( G ′ G ′ +G+A ) technique [14], the Hirota bilinear method [15], the Riccati equation technique [16], the Lie group approach [17], the extended Jacobi elliptic function approach [18], the exp {−φ(ξ)} method [19], the functional variable technique [20], the multiple exp-function technique [21], the new auxiliary equation technique [22], the tanh-function approach [23], the simple equation technique [24], the tanh-coth technique [25], the generalized Kudryshov technique [26], the unified technique [27], and so on.…”