The variational iteration method proposed by Ji-huan He was applied to a kind of strongly nonlinear oscillators.The obtained solutions are valid for the whole solution domain,and the first order approximation has high accuracy.
唐杰.变分迭代算法在非线性微分方程中的应用[J].动力学与控制学报,2004,2(3):6~9; Tang Jie. Application of variational iteration method to nonlinear oscillators[J]. Journal of Dynamics and Control,2004,2(3):6-9.
