Highly efficient approach to numerical solutions of two different forms of the modified Kawahara equation via contribution of two effective methods

The numerical solutions of the two different forms of the modified Kawahara equation namely bell-shaped soliton solutions and travelling wave solutions that occur thereby the different form of the KdV equation have been investigated. To improve the numerical solutions, two efficient methods have bee...

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Bibliographic Details
Published in:Mathematics and computers in simulation 2021-01, Vol.179, p.111-125
Main Author: Başhan, Ali
Format: Article
Language:English
Subjects:
Convergence
Differential quadrature method
Finite difference method
Modified Kawahara
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Summary:The numerical solutions of the two different forms of the modified Kawahara equation namely bell-shaped soliton solutions and travelling wave solutions that occur thereby the different form of the KdV equation have been investigated. To improve the numerical solutions, two efficient methods have been used together. Firstly, Crank–Nicolson discretization algorithm for time integration is used and then fifth-order quintic B-spline based differential quadrature method for space integration is used. To observe the performance of the present algorithm bell-shaped soliton solution and travelling wave solutions are surveyed. The error norms L2 and L∞ are obtained quite less than earlier papers. The invariants and relative changes of invariants are added to sympathize with superior present results.
ISSN:0378-4754
1872-7166
DOI:10.1016/j.matcom.2020.08.005