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An iterative procedure according to which new spheres are inserted between existing ones is realized for computer simulation of dense granular systems. The method is based on the rigorous geometrical Voronoi-Delaunay approach generalized for pore volume analysis inside an ensemble of polydisperse hard spheres [N. N. Medvedev, Dokl. Akad. Nauk 337, 767 (1994)] [Dokl. Phys. Chem. 337, 157 (1994)]]. Models with packing fraction η~0.9 are constructed. The particle size distribution and fractal nature of the packings are investigated. The fractal dimension $D=2.45$ is obtained.
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Anishchik et al. (1995) studied this question.
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