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

Avazzadeh, Zakieh; Nikan, Omid; Machado, José António Tenreiro

http://hdl.handle.net/10400.22/18999

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Authors

Avazzadeh, Zakieh

Nikan, Omid

Machado, José António Tenreiro

Abstract(s)

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.