On the Frequency Behaviour, Stability and Isolation Properties of Dry Friction Oscillators

Sorge F

    Research output: Contribution to journalArticle

    7 Citations (Scopus)

    Abstract

    This paper proposes a new approach to the frequency responses of one-degree-of-freedom oscillators subject to periodic excitations in presence of mixed dry-viscous friction. The idea is to get free from the analysis of one fixed system by letting the physical parameters cover their own whole ranges and investigating the various behavioural aspects of wide classes of oscillators. The existence, uniqueness and stability of the steady-state solutions are analysed in detail, assuming different coefficients of static and sliding friction. The possible arising of motions characterized by anti-periodic asymmetry or multi-stick oscillations is enlightened and maps of the system behaviour are presented. A study on transmissibility shows the favourable features of dry friction isolators in the high-frequency range.
    Original languageEnglish
    Pages (from-to)61-75
    JournalMeccanica
    Volume42
    Publication statusPublished - 2007

    Fingerprint

    dry friction
    isolation
    oscillators
    Friction
    static friction
    sliding friction
    isolators
    uniqueness
    frequency response
    friction
    degrees of freedom
    frequency ranges
    asymmetry
    oscillations
    Frequency response
    coefficients
    excitation

    All Science Journal Classification (ASJC) codes

    • Computational Mechanics
    • Mechanics of Materials

    Cite this

    On the Frequency Behaviour, Stability and Isolation Properties of Dry Friction Oscillators. / Sorge F.

    In: Meccanica, Vol. 42, 2007, p. 61-75.

    Research output: Contribution to journalArticle

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    abstract = "This paper proposes a new approach to the frequency responses of one-degree-of-freedom oscillators subject to periodic excitations in presence of mixed dry-viscous friction. The idea is to get free from the analysis of one fixed system by letting the physical parameters cover their own whole ranges and investigating the various behavioural aspects of wide classes of oscillators. The existence, uniqueness and stability of the steady-state solutions are analysed in detail, assuming different coefficients of static and sliding friction. The possible arising of motions characterized by anti-periodic asymmetry or multi-stick oscillations is enlightened and maps of the system behaviour are presented. A study on transmissibility shows the favourable features of dry friction isolators in the high-frequency range.",
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    AB - This paper proposes a new approach to the frequency responses of one-degree-of-freedom oscillators subject to periodic excitations in presence of mixed dry-viscous friction. The idea is to get free from the analysis of one fixed system by letting the physical parameters cover their own whole ranges and investigating the various behavioural aspects of wide classes of oscillators. The existence, uniqueness and stability of the steady-state solutions are analysed in detail, assuming different coefficients of static and sliding friction. The possible arising of motions characterized by anti-periodic asymmetry or multi-stick oscillations is enlightened and maps of the system behaviour are presented. A study on transmissibility shows the favourable features of dry friction isolators in the high-frequency range.

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