Resonant Electromagnetic Shunt Damping of Flexible Structures

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    Electromagnetic transducers convert mechanical energy to electrical energy and vice versa. Effective passive vibration damping of flexible structures can therefore be introduced by shunting with an accurately calibrated resonant electrical network thatcontains a capacitor to create the desired resonance and a resistor to dissipate the correct amount of vibration energy. The modal interaction with residual vibration forms not targeted by the resonant shunt is represented by supplemental flexibility and inertia terms. This leads to modified calibration formulae that maintain the desired damping performance in the case of flexible structures with substantial modal interaction.
    Original languageEnglish
    Title of host publicationProceedings of the 29th Nordic Seminar on Computational Mechanics (NSCM-29)
    EditorsR. Larsson
    Publication date2016
    Publication statusPublished - 2016
    Event29th Nordic Seminar on Computational Mechanics - Gothenburg, Sweden
    Duration: 26 Oct 201628 Oct 2016


    Conference29th Nordic Seminar on Computational Mechanics


    • Structural dynamics
    • Modal analysis
    • Electromagnetic shunt damping


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