Nonlinear resonances leading to strong pulse attenuation in granular dimer chains

K. R. Jayaprakash, Yuli Starosvetsky, Alexander F Vakakis, Oleg V. Gendelman

Research output: Contribution to journalArticle

Abstract

We study nonlinear resonances in granular periodic one-dimensional chains. Specifically, we consider a diatomic ("dimer") chain composed of alternating "heavy" and "light" spherical beads with no precompression. In a previous work (Jayaprakash et al. in Phys. Rev. E 83(3):036606, 2011) we discussed the existence of families of solitary waves in these systems that propagate without distortion of their waveforms. We attributed this dynamical feature to "antiresonance" in the dimer that led to the complete elimination of radiating waves in the trail of the propagating solitary wave. Antiresonances were associated with certain symmetries of the velocity waveforms of the dimer beads. In this work we report on the opposite phenomenon: the break of waveform symmetries, leading to drastic attenuation of traveling pulses due to radiation of traveling waves to the far field. We use the connotation of "resonance" to describe this dynamical phenomenon resulting in maximum amplification of the amplitudes of radiated waves that emanate from the propagating pulse. Each antiresonance can be related to a corresponding resonance in the appropriate parameter plane. We study the nonlinear resonance mechanism numerically and analytically and show that it can lead to drastic attenuation of pulses propagating in the dimer. Furthermore, we estimate the discrete values of the normalized mass ratio between the light and heavy beads of the dimer for which resonances are realized. Finally, we show that by adding precompression the resonance mechanism gradually degrades, as does the capacity of the dimer to passively attenuate propagating pulses.

Original languageEnglish (US)
Pages (from-to)363-392
Number of pages30
JournalJournal of Nonlinear Science
Volume23
Issue number3
DOIs
StatePublished - Jun 1 2013

Fingerprint

Nonlinear Resonance
Dimer
Attenuation
Dimers
Waveform
Solitary Waves
Solitons
Symmetry
Far Field
Traveling Wave
Amplification
Elimination
Radiation
Estimate

Keywords

  • Antiresonance
  • Binary collision approximation
  • Dimer
  • Nonlinear resonance
  • Periodic granular media

ASJC Scopus subject areas

  • Modeling and Simulation
  • Engineering(all)
  • Applied Mathematics

Cite this

Nonlinear resonances leading to strong pulse attenuation in granular dimer chains. / Jayaprakash, K. R.; Starosvetsky, Yuli; Vakakis, Alexander F; Gendelman, Oleg V.

In: Journal of Nonlinear Science, Vol. 23, No. 3, 01.06.2013, p. 363-392.

Research output: Contribution to journalArticle

Jayaprakash, K. R. ; Starosvetsky, Yuli ; Vakakis, Alexander F ; Gendelman, Oleg V. / Nonlinear resonances leading to strong pulse attenuation in granular dimer chains. In: Journal of Nonlinear Science. 2013 ; Vol. 23, No. 3. pp. 363-392.
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