Transient Vibration of a MRE Based Sandwich Beam

S.M. Hasheminezhad, M.R. Jafari-Harandi, Mohammad Esmail Aryaee Panah

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Dynamic response (transient vibration) of a magnetorheological elastomer (MRE) based simply supported sandwich beam under various transient loads is investigated. The MRE is modeled as a Kelvin-Voigt viscoelastic material. Hamilton’s principle in conjunction with the classical Euler-Bernoulli beam equations and linearized compatibility relations of sandwich beams with transversely flexible cores is used to derive the equations of motion and pertaining boundary conditions. Fourier series and Durbin’s algorithm for the inversion of Laplace transform are used to solve the equations of motion for different transient loads (i.e. impulse, moving load, and uniformly distributed harmonic load) in different magnetic fields. Limiting cases are compared with the data in the classic literature as verification.
Original languageEnglish
JournalAerospace Mechanics Journal
Volume10
Issue number1
Pages (from-to)25-32
Publication statusPublished - 2014
Externally publishedYes

Bibliographical note

In Persian

Keywords

  • Smart Structures
  • Smart Materials
  • Beam
  • MRE Core
  • Magnetorheological
  • Vibration Suppression
  • Time Domain
  • Transient Response

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