Mohamed Reda Ali Mohamed
Asst. Professor
Lie symmetry analysis and invariant solutions of 3D Euler equations for axisymmetric, incompressible, and inviscid flow in the cylindrical coordinates
Advances in Difference Equations • 2021
Publication Information
Authors
R. Sadat, Praveen Agarwal, R. Saleh & Mohamed R. Ali
Keywords
Euler equations; Axisymmetric flow; Lie point symmetries; Analytical
solutions
Journal
Advances in Difference Equations
Publisher
springer
Volume
2021
Issue
486
Pages
1-16
publication.type
International
Paper Link
Open Link
Supplementary Materials
Not Available
Abstract
Through the Lie symmetry analysis method, the axisymmetric, incompressible, and inviscid fluid is studied. The governing equations that describe the flow are the Euler equations. Under intensive observation, these equations do not have a certain solution localized in all directions (r,t,z) due to the presence of the term 1r, which leads to the singularity cases. The researchers avoid this problem by truncating this term or solving the equations in the Cartesian plane. However, the Euler equations have an infinite number of Lie infinitesimals; we utilize the commutative product between these Lie vectors. The specialization process procures a nonlinear system of ODEs. Manual calculations have been done to solve this system. The investigated Lie vectors have been used to generate new solutions for the Euler equations. Some solutions are selected and plotted as two-dimensional plots.
