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Summary In the present work, we have introduced the presence of granular arches in the Tetris model. In this modified Tetris model, the friction between grains is the key parameter and a slipping threshold is defined. Two different regimes have been observed as a function of the slipping threshold.
We propose a lattice model for studying the compaction of granular mixtures under taps. Two granular species are considered: small grains with low mobilities and T-shaped grains characterized by a larger ability to move. When those grains are mixed together, the compaction dynamics is mainly controlled by the volume fraction x of the small grains. Segregation have been found on the top layers of the...
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