Solitary Wave Solutions of the Generalized Rosenau-KdV-RLW Equation

Zakieh Avazzadeh, Omid Nikan and José A. Tenreiro Machado
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Zakieh Avazzadeh: Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
Omid Nikan: School of Mathematics, Iran University of Science and Technology, Narmak, Tehran 16846-13114, Iran
José A. Tenreiro Machado: Department of Electrical Engineering, Institute of Engineering, Polytechnic of Porto, 4249-015 Porto, Portugal

Mathematics, 2020, vol. 8, issue 9, 1-20

Abstract: This paper investigates the solitary wave solutions of the generalized Rosenau–Korteweg-de Vries-regularized-long wave equation. This model is obtained by coupling the Rosenau–Korteweg-de Vries and Rosenau-regularized-long wave equations. The solution of the equation is approximated by a local meshless technique called radial basis function (RBF) and the finite-difference (FD) method. The association of the two techniques leads to a meshless algorithm that does not requires the linearization of the nonlinear terms. First, the partial differential equation is transformed into a system of ordinary differential equations (ODEs) using radial kernels. Then, the ODE system is solved by means of an ODE solver of higher-order. It is shown that the proposed method is stable. In order to illustrate the validity and the efficiency of the technique, five problems are tested and the results compared with those provided by other schemes.

Keywords: nonlinear wave phenomen; RBF; local RBF-FD; stability (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2020
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