Abstract:The numerical solution of convection-diffusion equation is presented by using Chebyshev spectral method based on El-Gendi method via Lie group analysis. Firstly, we apply Lie symmetry group analysis for the convection-diffusion equation. This method yields convection-diffusion equation to a system of ordinary differential equations (ODEs). Secondly, this system is solved numerically by using Chebyshev spectral method. The numerical results obtained by this way are compared with the exact solution.
“…We apply Lie symmetry group analysis [2,3,7,8,15] for the nonlinear Harry-Dym (HD) equation ( 2) to derive symmetry generators of it. We consider one-parameter -Lie group point of transformations, which makes equation ( 2 (4) and the third prolongation of the infinitesimal generator ( 4) is given by…”
In this paper, we apply Lie symmetry group analysis to the Harry Dym equation. Then, the similarity reduction will be found, and the invariant solutions of Harry Dym equation is obtained from the solutions of reduced ordinary differential equations.
“…We apply Lie symmetry group analysis [2,3,7,8,15] for the nonlinear Harry-Dym (HD) equation ( 2) to derive symmetry generators of it. We consider one-parameter -Lie group point of transformations, which makes equation ( 2 (4) and the third prolongation of the infinitesimal generator ( 4) is given by…”
In this paper, we apply Lie symmetry group analysis to the Harry Dym equation. Then, the similarity reduction will be found, and the invariant solutions of Harry Dym equation is obtained from the solutions of reduced ordinary differential equations.
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