, Volume 50, Issue 5, pp 1227–1237 | Cite as

Nonlinear vibrations of a multi-span continuous beam subject to periodic impact excitation

  • Sami Davtalab
  • Ko-Choong Woo
  • Cosmas Pandit Pagwiwoko
  • Stefano Lenci


Excessive vibrations could result from vertical impact forces. An electromechanical device has been constructed on an experimental rig to investigate the frequency-dependent vibrations of a multi-span beam made of two parallel rods, for a stationary periodic impactor. Experimental time histories, phase planes and a bifurcation diagram are presented to illustrate to richness of the system dynamics. Both period one and period two responses have been observed, as well as more complicated (chaotic) outcomes.


Vibrations of continuous structure Time histories Bifurcation diagram Experimental dynamics 



The technical contribution from Mr. Noor Hashimi Mohamad Nor is gratefully acknowledged.


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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Sami Davtalab
    • 1
  • Ko-Choong Woo
    • 1
  • Cosmas Pandit Pagwiwoko
    • 1
  • Stefano Lenci
    • 2
  1. 1.University of Nottingham Malaysia CampusSemenyihMalaysia
  2. 2.Department of Civil and Building Engineering, and ArchitecturePolytechnic University of MarcheAnconaItaly

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