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Title of Journal: Granular Matter

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Abbravation: Granular Matter

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Springer-Verlag

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DOI

10.1016/0020-1650(81)80040-2

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1434-7636

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Absence of ‘fragility’ and mechanical response of

Authors: Raffaele Pastore Massimo Pica Ciamarra Antonio Coniglio
Publish Date: 2012/02/14
Volume: 14, Issue: 2, Pages: 253-258
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Abstract

We perform molecular dynamic simulations of frictional nonthermal particles driven by an externally applied shear stress After the system jams following a transient flow we probe its mechanical response in order to clarify whether the resulting solid is ‘fragile’ We find the system to respond elastically and isotropically to small perturbations of the shear stress suggesting absence of fragility These results are interpreted in terms of the energy landscape of dissipative systems For the same values of the control parameters we check the behaviour of the system during a stress cycle Increasing the maximum stress value a crossover from a viscoelastic to a plastic regime is observed

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  2. FE-studies on Shear Localization in an Anistropic Micro-polar Hypoplastic Granular Material
  3. Discrete Element Method Analysis of Railtrack Ballast Degradation during Cyclic Loading
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  7. Modelling and analysis of heat transfer through 1D complex granular system
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  15. An algorithm to generate random dense arrangements for discrete element simulations of granular assemblies
  16. DEM simulation of the packing structure and wall load in a 2-dimensional silo
  17. The critical-state yield stress (termination locus) of adhesive powders from a single numerical experiment
  18. Application of the theory of Markov chains to model heat and mass transfer between stochastically moving particulate and gas flows
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