Vibration Control in Periodic Structures

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Within the framework of periodic structures, the calibration of RL shunted piezoelectric inclusions is investigated with respect to maximum damping of a particular wave form. A finite element setting is assumed, with local shunted inclusions inside the unit cell. The effect of the shunts is represented for a targeted wave form, characterized by its short-circuited eigenvalue problem and two correction coefficients, representing the influence from residual modes, not addressed by the supplemental damping. Calibration formulae are finally derived for the shunt inductance L and resistance R. The presentation contains dispersion diagrams and vibration amplitude curves for the optimally calibrated RL shunt system in a 1-D periodic structure with local piezoelectric inclusions.
Original languageEnglish
Title of host publicationProceedings of the 30th Nordic Seminar on Computational Mechanics (NSCM-30)
EditorsJ. Høsberg, N.L. Pedersen
Publication date2017
Publication statusPublished - 2017
Event30th Nordic Seminar on Computational Mechanics (NSCM-30) - Copenhagen
Duration: 25 Oct 201727 Oct 2017


Conference30th Nordic Seminar on Computational Mechanics (NSCM-30)


  • Waves
  • Periodic structure
  • Damping
  • Piezoelectric shunt
  • Modal analysis

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