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- W2953241272 abstract "In this article, we consider a generalized equal width wave (GEW) equation which is a significant nonlinear wave equation as it can be used to model many problems occurring in applied sciences. Here we study a Petrov–Galerkin method for the model problem, in which element shape functions are quadratic and weight functions are linear B-splines. We investigate the existence and uniqueness of solutions of the weak form of the equation. Then, we establish the theoretical bound of the error in the semi-discrete spatial scheme as well as of a full discrete scheme at t = tn. Furthermore, a powerful Fourier analysis has been applied to show that the proposed scheme is unconditionally stable. Finally, propagation of solitary waves and evolution of solitons are analyzed to demonstrate the efficiency and applicability of the proposed scheme. The three invariants (I1, I2 and I3) of motion have been commented to verify the conservation features of the proposed algorithms. Our proposed numerical scheme has been compared with other published schemes and demonstrated to be valid, effective and it outperforms the others." @default.
- W2953241272 created "2019-06-27" @default.
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- W2953241272 date "2019-05-20" @default.
- W2953241272 modified "2023-10-12" @default.
- W2953241272 title "Numerical solutions of the generalized equal width wave equation using the Petrov–Galerkin method" @default.
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- W2953241272 doi "https://doi.org/10.1080/00036811.2019.1616696" @default.
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