Article ID Journal Published Year Pages File Type
473002 Computers & Mathematics with Applications 2010 9 Pages PDF
Abstract

This paper presents an alternative approach for mathematical modeling of an oscillating system with an irrational restoring force. Such a model corresponds to the oscillation of an elastic wire or string. A generalized Senator–Bapat perturbation technique is employed to deal with this nonlinear system. Unlike the conventional perturbation method, it not only solves the nonlinear problem without the requirement of small parameters, but also provides highly accurate solutions for small as well as large amplitudes of motion. Illustrative examples are selected and demonstrated for verifying the accuracy of this approach.

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