Necessary conditions for the appearance of noise terms in decomposition solutions series
Applied Mathematics and Computation
The evolution of periodic waves of the coupled nonlinear Schrödinger equations
Mathematics and Computers in Simulation
Variational iteration method for solving Burger's and coupled Burger's equations
Journal of Computational and Applied Mathematics
Numerical solution of coupled nonlinear Schrödinger equation by Galerkin method
Mathematics and Computers in Simulation
Computers & Mathematics with Applications
Reliable approaches of variational iteration method for nonlinear operators
Mathematical and Computer Modelling: An International Journal
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In this paper, we apply the variational iteration method proposed by Ji-Huan He to simulate numerically a system of two coupled nonlinear one-dimensional Schrodinger equations subjected initially to a prescribed periodic wave solution. Test examples are given to demonstrate the accuracy and capability of the method with different wave-wave interaction coefficients. The accuracy of the method is verified by ensuring that the energy conservation remains almost constant. The numerical results obtained with a minimum amount of computation show that the variational iteration method is much easier, more convenient and efficient for solving nonlinear partial differential equations.