Frequency-amplitude relationship of the Duffing-harmonic oscillator

Zhao-Ling Tao

DOI: http://dx.doi.org/10.12775/TMNA.2008.019

Abstract


The variational iteration method, the variational method and the
parameter-expanding method are applied to obtain the frequency-amplitude
relationship of the Duffing-harmonic oscillator. The obtained results reveal
that all the three methods are very effective and convenient.

Keywords


Variational iteration method; variational method; parameter-expanding method; non-linear oscillator; frequency-amplitude relationship

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