Effect of high-frequency excitation on natural frequencies of spinning discs

Morten Hartvig Hansen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The effect of high-frequency, non-resonant parametric excitation on the low-frequency response of spinning discs is considered. The parametric excitation is obtained through a non-constant rotation speed, where the frequency of the pulsating overlay is much higher than the lowest natural frequencies. It is shown analytically and numerically that this excitation has the non-trivial effect of increasing these natural frequencies with increasing pulsation amplitude.
    Original languageEnglish
    JournalJournal of Sound and Vibration
    Volume234
    Issue number4
    Pages (from-to)577-589
    ISSN0022-460X
    DOIs
    Publication statusPublished - 2000

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