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Modeling soft granular materials

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Fig. 2 A frictional contact between two primary particles belonging to two different grains with normal and tangential components f n and
Fig. 3 Multi-mesh contact algorithm scheme in MPM; see text
Fig. 5 Geometry of a soft grain by BPM (a) and MPM (b) discretiza- discretiza-tion; deformed grain at cumulative vertical strain ε = 30% for the BPM (c) and for the MPM (d)
Fig. 7 Vertical stress as a function of cumulative axial strain for three BPM grains of the same size with a uniform size distribution of their primary particles but with different ranges of particles diameters: a 2400 particles with diameters in the range
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