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Parametrically excited nonlinear systems: a comparison of two methods

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  • A. F. El-Bassiouny

Abstract

Subharmonic resonance of two-degree-of-freedom systems with cubic nonlinearities to multifrequency parametric excitations in the presence of three-to-one internal resonance is investigated. Two approximate methods (the multiple scales and the generalized synchronization) are used to construct a first-order nonlinear ordinary differential equations governing the modulation of the amplitudes and phases. Steady state solutions and their stability are computed for selected values of the system parameters. The results obtained by the two methods are in excellent agreement. Numerical solutions are carried out and graphical representations of the results are presented and discussed.

Suggested Citation

  • A. F. El-Bassiouny, 2002. "Parametrically excited nonlinear systems: a comparison of two methods," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 32, pages 1-23, January.
    • Handle: RePEc:hin:jijmms:936523
    DOI: 10.1155/S0161171202007019
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