Influence of particle shape and angularity on the behaviour of granular materials: a numerical analysis

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Minimum image quality for reliable optical characterizations of soil particle shapes (2019, unknown): “…shown that angular and elongated soils exhibit larger index void ratios, a larger angle of internal friction, larger dilatancy, a larger constant volume friction angle, larger compressibility, and a larger small-strain modulus than rounded and spherical soils [1,3,5,7,9,14,15,20,23,28,31,41,38,39].”
3D quantitative shape analysis on form, roundness, and compactness with μCT (2016, background): “X-ray micro-computed tomography (μCT) enables observation of particle morphology at ever-greater resolutions.”
Investigation of adequacy of multi-sphere approximation of elliptical particles for DEM simulations (2010, background): “DEM analysis of many particle systems is basically restricted to two-dimensional non-convex MS particles [42] or polygons [51].”
Influence of particle characteristics on granular friction (2005, background): “Numerous studies in granular mechanics support these observations [Jensen et al., 1999; Mueth et al., 2000; Albert et al., 2001; Geminard and Losert, 2002; Mair et al., 2002; Nouguier-Lehon et al., 2003; Guo and Morgan, 2004].”