Energy propagation through dense granular systems

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Abstract

We discuss affine and non-affine components of particle dynamics in the context of energy propagation through dense granular matter as a consequence of externally imposed boundary perturbation. Earlier work (Kondic et al. in Phys Rev E 79:041304, 2009) has shown that the frequency and the wavenumber of the imposed perturbations strongly influence propagation, and in particular that the frequencies and wavenumbers that lead to well-defined propagation are limited from above. The present work shows that strong non-affine component of particle dynamics is associated with dispersion and loss of coherence.

Original languageEnglish (US)
Article number85
JournalGranular Matter
Volume21
Issue number4
DOIs
StatePublished - Nov 1 2019

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Physics and Astronomy(all)

Keywords

  • DEM simulations
  • Dense granular matter
  • Energy propagation

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