期刊
APPLIED MATHEMATICS AND COMPUTATION
卷 218, 期 8, 页码 4090-4118出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amc.2011.09.037
关键词
Adomian decomposition method (ADM); Adomian polynomials; Nonlinear differential equations; Boundary value problems (BVPs)
资金
- Shanghai Municipal Education Commission [11YZ225]
In this paper we propose a new modified recursion scheme for the resolution of multiorder and multi-point boundary value problems for nonlinear ordinary and partial differential equations by the Adomian decomposition method (ADM). Our new approach, including Duan's convergence parameter, provides a significant computational advantage by allowing for the acceleration of convergence and expansion of the interval of convergence during calculations of the solution components for nonlinear boundary value problems, in particular for such cases when one of the boundary points lies outside the interval of convergence of the usual decomposition series. We utilize the boundary conditions to derive an integral equation before establishing the recursion scheme for the solution components. Thus we can derive a modified recursion scheme without any undetermined coefficients when computing successive solution components, whereas several prior recursion schemes have done so. This modification also avoids solving a sequence of nonlinear algebraic equations for the undetermined coefficients fraught with multiple roots, which is required to complete calculation of the solution by several prior modified recursion schemes using the ADM. (C) 2010 Elsevier Inc. All rights reserved.
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