Mode competition in a system of two parametrically driven pendulums with nonlinear coupling

E.J. Banning, E.J. Banning, J.P. van der Weele, J.C. Ross, M.M. Kettenis

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    Abstract

    This paper is part three in a series on the dynamics of two coupled, parametrically driven pendulums. In the previous parts Banning and van der Weele (1995) and Banning et al. (1997) studied the case of linear coupling; the present paper deals with the changes brought on by the inclusion of a nonlinear (third-order) term in the coupling. Special attention will be given to the phenomenon of mode competition. The nonlinear coupling is seen to introduce a new kind of threshold into the system, namely a lower limit to the frequency at which certain motions can exist. Another consequence is that the mode interaction between 1¿ and 2ß (two of the normal motions of the system) is less degenerate, causing the intermediary mixed motion known as MP to manifest itself more strongly.
    Original languageUndefined
    Pages (from-to)49-98
    Number of pages50
    JournalPhysica A
    Volume1997
    Issue number245
    DOIs
    Publication statusPublished - 1997

    Keywords

    • METIS-129104
    • IR-24304

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