Document Type: Research Paper

Author

Department of Mathematics, Faculty of Physical Sciences, University of Ilorin, Nigeria.

Abstract

Adomian decomposition method and He’s variational Iteration method are applied to nonlinear oscillator problems that involve conservative type of oscillators. The methods proved to be effective for the general and specific cases due to their algorithms that admit nonlinear terms in the problems. The two methods are tested on some specific problems in the literature, and the results obtained compared favourably with those obtained via the use of Energy balance method.

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