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Finite Element Analysis of Wave Propagation in Periodic Euler-Bernoulli Beams

[+] Author Affiliations
Mahmoud I. Hussein, Liao Liu

University of Colorado at Boulder, Boulder, CO

Nagi Elabbasi

Adina R&D, Inc., Watertown, MA

Paper No. IMECE2009-13232, pp. 163-169; 7 pages
doi:10.1115/IMECE2009-13232
From:
  • ASME 2009 International Mechanical Engineering Congress and Exposition
  • Volume 15: Sound, Vibration and Design
  • Lake Buena Vista, Florida, USA, November 13–19, 2009
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4388-8 | eISBN: 978-0-7918-3863-1
  • Copyright © 2009 by ASME

abstract

In this work we study elastic wave propagation in homogeneous and periodic beams. Considering axial deformation, torsional deformation and Euler-Bernoulli bending deformation theory we develop finite element formulations to predict the dispersion characteristics. We compare the performance between applying the wave propagation solution directly to the governing equation versus applying it at the boundaries.

Copyright © 2009 by ASME

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