Quantifying Morphology of Sands Using 3D Imaging

By K. Alshibli, A. Druckrey, R. Al-Raoush, Taylor M. Weiskittel, N. Lavrik. 2015

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Exploring the relationship between critical state and particle shape for granular materials (2015, background): “A detailed discussion of the differences between the two measurements of sphericity is outside the scope of this study; readers may refer to Alshibi et al. (2014) and Fonseca et al. (2012) for relevant details. As an example, Fig. 5a presents the shape and size data for several selected Fujian sand ”
Three-dimensional sphericity, roundness and fractal dimension of sand particles (2018, methodology): “The other group mainly includes mathematical approaches to calculating the geometric properties based on a particle surface reconstructed from μCT images (Alshibli et al., 2014; Zhao & Wang, 2016). To reconstruct the particle surface, a variety of smoothing algorithms (Field, 1988; Kobbelt et al., 2”
3D quantitative shape analysis on form, roundness, and compactness with μCT (2016, background): “However, the existing 3D roundness indexes usually do not involve corner identification and curvature evaluation [18,46].”