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    Experimental and theoretical investigation of the 2:1 internal resonance in the higher-order modes of a MEMS microbeam at elevated excitations

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    Name:
    Ruzziconi et al_rev_v1-JSV.pdf
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    5.229Mb
    Format:
    PDF
    Description:
    Accepted manuscript
    Embargo End Date:
    2023-01-01
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    Type
    Article
    Authors
    Ruzziconi, Laura
    Jaber, Nizar
    Kosuru, Lakshmoji
    Bellaredj, Mohammed Lamine Faycal cc
    Younis, Mohammad I. cc
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Mechanical Engineering Program
    Date
    2021-01
    Embargo End Date
    2023-01-01
    Permanent link to this record
    http://hdl.handle.net/10754/667282
    
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    Abstract
    We analyze the dynamics induced by a 2:1 internal resonance between the third (second symmetric) and the fifth (third symmetric) mode of a MEMS microbeam. An extensive experimental investigation is conducted, where forward and backward sweeps are systematically acquired up to elevated excitations. As ramping the voltage, a change along the forward sweep of the resonant branch is noted. This is analyzed via the combined use of different analytical and numerical tools, which show a phase shift between the modes involved in the 2:1 internal resonance. Constantly referring to the experimental data, simulations examine the underlying features of the system's behavior. The dynamics observed in the experimental frequency sweeps are part of a more complex scenario, where different attractors appear and coexist. The experimental behavior bifurcation chart is reported and compared with simulations, which offers a comprehensive view of the 2:1 internal resonance activation. The concurrence of numerical results and experimental data confirms on the effective actuality of these complex features in safe conditions, along wide ranges of the parameters space.
    Citation
    Ruzziconi, L., Jaber, N., Kosuru, L., Bellaredj, M. L., & Younis, M. I. (2021). Experimental and theoretical investigation of the 2:1 internal resonance in the higher-order modes of a MEMS microbeam at elevated excitations. Journal of Sound and Vibration, 115983. doi:10.1016/j.jsv.2021.115983
    Sponsors
    The work has been developed during the visit of Laura Ruzziconi to King Abdullah University of Science and Technology (KAUST), Saudi Arabia; the kind hospitality is gratefully acknowledged. Nizar Jaber acknowledges support of King Fahd University of Petroleum and Minerals. This work is supported through KAUST Funds.
    Publisher
    Elsevier BV
    Journal
    Journal of Sound and Vibration
    DOI
    10.1016/j.jsv.2021.115983
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0022460X21000559
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jsv.2021.115983
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Mechanical Engineering Program

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