Three different methods for numerical solution of the EW equation
Date
2008Author
DAĞ, İDİRİS
SAKA, Bülent
Korkmaz, Alper
DERELİ, YILMAZ
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Numerical solutions of the equal width wave (EW) equation are obtained by using a Galerkin method with quartic B-spline finite elements, a differential quadrature method with cosine expansion basis and a meshless method with radial-basis functions. Solitary wave motion, interaction of two solitary waves and wave undulation are studied to validate the accuracy and efficiency of the proposed methods. Comparisons are made with analytical solutions and those of some earlier papers. The accuracy and efficiency are discussed by computing the numerical conserved laws and L-2, L-infinity error norms. (C) 2007 Elsevier Ltd. All rights reserved.
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