Compaction of elastic granular materials: inter-particles friction effects and plastic events | Zendy

Thi-Lo Vu | Zendy; Saeid Nezamabadi | Zendy; Serge Mora | Zendy

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Compaction of elastic granular materials: inter-particles friction effects and plastic events

Author(s) -

Thi-Lo Vu,

Saeid Nezamabadi,

Serge Mora

Publication year - 2019

Publication title -

soft matter

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.99

H-Index - 170

eISSN - 1744-6848

pISSN - 1744-683X

DOI - 10.1039/c9sm01947b

Subject(s) - compaction , materials science , granular material , contact dynamics , finite element method , friction coefficient , volume fraction , discrete element method , composite material , granular matter , mechanics , physics , thermodynamics

The uni-axial compaction of granular materials made of elastic neo-Hookean particles is investigated in the quasi-static regime. Two-dimensional disk assemblies are simulated using the Finite Element model coupled with Contact Dynamics method for dealing both with finite deformations of the particles and contact interactions. Due to large deformations of the particles, the packing fraction of the system increases continuously during the compaction process, reaching values close to 1. The influence of the coefficient of friction between the particles on the macroscopic and micro-structural behaviors of the system is thoroughly discussed.

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