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Coupled nonlinear oscillators: metamorphoses of amplitude profiles. The case of the approximate effective equation

Authors
  • Kyziol, Jan
  • Okninski, Andrzej
Type
Published Article
Publication Date
Dec 09, 2010
Submission Date
Dec 09, 2010
Identifiers
DOI: 10.5506/APhysPolB.42.2063
Source
arXiv
License
Yellow
External links

Abstract

We study dynamics of two coupled periodically driven oscillators. Important example of such a system is a dynamic vibration absorber which consists of a small mass attached to the primary vibrating system of a large mass. Periodic solutions of the approximate effective equation are determined within the Krylov-Bogoliubov-Mitropolsky approach to get the amplitude profiles $AOmega) $. Dependence of the amplitude $A$ of nonlinear resonances on the frequency $ \Omega $ is much more complicated than in the case of one Duffing oscillator and hence new nonlinear phenomena are possible. In the present paper we study metamorphoses of the function $A(\Omega) $ induced by changes of the control parameters.

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