ePrints@IIScePrints@IISc Home | About | Browse | Latest Additions | Advanced Search | Contact | Help

Numeric-Analytic Form of the Adomian Decomposition Method for Two-Point Boundary Value Problems in Nonlinear Mechanics

Ghosh, S and Roy, D (2007) Numeric-Analytic Form of the Adomian Decomposition Method for Two-Point Boundary Value Problems in Nonlinear Mechanics. In: Journal of Engineering Mechanics, 133 (10). pp. 1124-1133.

[img] PDF
Numeric-Analytic_Form_of_the_Adomian.pdf
Restricted to Registered users only

Download (393Kb) | Request a copy

Abstract

A new numeric-analytic technique is developed for two-point nonlinear boundary-value problems (BVPs) of engineering interest. The analytic part of the method is based on a conventional Adomian decomposition method (ADM). However, given a discretization of the one-dimensional domain, the present algorithm applies the ADM, repetitively over successive intervals and exploits a shooting algorithm to solve the BVPs. Apart from a very high rate of convergence as the discretization is made finer, yet another significant advantage of the method is that it provides the solution in a piecewise functional form and one can finally arrive at a continuous form of the global solution. The procedure is used to study planar, large-deflection (Elastica) problem of a cantilever beam subjected to a transverse, concentrated load, at its free end. Moreover the elastoplastic behavior of a cantilever is also studied. Comparisons with exact solutions as well as with results via a few other competing algorithms demonstrate the remarkable accuracy of the proposed method.

Item Type: Journal Article
Additional Information: Copyright of this article belongs to American Society of Civil Engineers.
Keywords: Decomposition;Numerical analysis;Algorithms;Differential equations.
Department/Centre: Division of Mechanical Sciences > Civil Engineering
Date Deposited: 01 Aug 2008
Last Modified: 19 Sep 2010 04:48
URI: http://eprints.iisc.ernet.in/id/eprint/15414

Actions (login required)

View Item View Item