Nonmonotonic reversible branch in four model granular beds subjected to vertical vibration

Luis A. Pugnaloni, Martín Mizrahi, Carlos M. Carlevaro, and Fernando Vericat
Phys. Rev. E 78, 051305 – Published 25 November 2008

Abstract

We present results from four independent models of a granular assembly subjected to tapping. We find that the steady-state packing fraction as a function of the tapping intensity is nonmonotonic. In particular, for high tapping intensities, we observe an increase of the packing fraction with tapping strength. This finding challenges the current understanding of compaction of granular media since the steady-state packing fraction is believed to decrease monotonically with increasing tapping intensity. We propose an explanation of our results based on the properties of the arches formed by the particles.

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  • Received 6 March 2008

DOI:https://doi.org/10.1103/PhysRevE.78.051305

©2008 American Physical Society

Authors & Affiliations

Luis A. Pugnaloni1,*, Martín Mizrahi2, Carlos M. Carlevaro1,3, and Fernando Vericat1,4

  • 1Instituto de Física de Líquidos y Sistemas Biológicos (CONICET La Plata, UNLP), cc. 565, 1900 La Plata, Argentina
  • 2Departamento de Física, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, cc. 67, 1900 La Plata, Argentina
  • 3Universidad Tecnológica Nacional, FRBA, UDB Física, Mozart 2300, C1407IVT, Buenos Aires, Argentina
  • 4Grupo de Aplicaciones Matemáticas y Estadísticas de la Facultad de Ingeniería (GAMEFI), UNLP, La Plata, Argentina

  • *luis@iflysib.unlp.edu.ar

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Issue

Vol. 78, Iss. 5 — November 2008

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