[HTML][HTML] On the dynamics of exact solutions to a (3+ 1)-dimensional YTSF equation emerging in shallow sea waves: Lie symmetry analysis and generalized …

S Kumar, KS Nisar, M Niwas - Results in Physics, 2023 - Elsevier
This paper focuses on obtaining a large number of exact solutions to the highly nonlinear
(3+ 1)-dimensional Yu–Toda–Sassa–Fukuyama (YTSF) equation, which is important in fluid …

Application of symmetry analysis to viscoelastic fluid model

S Shagolshem, B Bira, S Sil - Communications in Nonlinear Science and …, 2023 - Elsevier
In the present paper, we apply Lie symmetry to the Suliciu relaxation system governed by
viscoelastic shallow fluid. Utilizing the local symmetries of the governing PDEs, we derive …

Resonant multi-wave, positive multi-complexiton, nonclassical Lie symmetries, and conservation laws to a generalized Hirota bilinear equation

K Hosseini, F Alizadeh, E Hinçal, D Baleanu… - … Physics Letters B, 2024 - World Scientific
This paper explores the evolutionary behavior of some specific waves for a Generalized
Hirota Bilinear (GHB) equation with applications in modern sciences. More precisely, the …

Symmetry analysis, optimal system, and invariant solutions for a (2+ 1)-dimensional two-phase mass flow model

S Maurya, D Zeidan, M Pandey - International Journal of Non-Linear …, 2024 - Elsevier
The paper investigates a two-phase mass flow model governed by gravity, involving solid
particles and a viscous fluid. By utilizing the Lie symmetries admitted by the system …

Nonclassical symmetries, nonlinear self-adjointness, conservation laws and some new exact solutions of cylindrical KdV equation

S Sil - International Journal of Applied and Computational …, 2023 - Springer
This paper is devoted to obtain some new exact solutions to the cylindrical KdV equation
using nonclassical symmetry analysis. Classical Lie point symmetries and nonclassical …

On the Lie symmetry analysis of three-dimensional perturbed shear flows

S Mandal, S Sil, S Ghosh - Chaos, Solitons & Fractals, 2025 - Elsevier
The study presents symmetry classifications of the linearized Navier–Stokes equations,
governing the three-dimensional incompressible plane shear flows. The linearization is …

Lie symmetries and optimal classifications with certain modal approaches for the three-dimensional gas-dynamical equations

S Mandal, S Sil, S Ghosh - Chaos, Solitons & Fractals, 2024 - Elsevier
This paper is devoted to analyzing the solution framework of the gas-dynamic equations for
a three-dimensional unbounded homentropic sheared flow using the Lie group approach …

Lie symmetry analysis, exact solutions, and conservation laws to multi-component nonlinear Schrödinger equations

YS Bai, YN Liu, WX Ma - Nonlinear Dynamics, 2023 - Springer
The multi-component nonlinear Schrödinger equations (MNLS) are derived by extending the
single-component nonlinear Schrödinger equation to multiple interacting fields. These …

Non-Lie Reduction Operators and Potential Transformations for a Special System with Applications in Plasma Physics

C Sophocleous - Symmetry, 2024 - mdpi.com
Non-Lie reduction operators, also known as nonclassical symmetries, are derived for special
systems that appear in Plasma Physics. These operators are used to construct similarity …

Classical and nonclassical Lie symmetries, bifurcation analysis, and Jacobi elliptic function solutions to a 3D-modified nonlinear wave equation in liquid involving gas …

F Alizadeh, K Hosseini, S Sirisubtawee… - Boundary Value …, 2024 - Springer
The current paper undertakes an in-depth exploration of the dynamics of nonlinear waves
governed by a 3D-modified nonlinear wave equation, a significant model in the study of …