Geodesic
One model of grain filter media
Matematičeskoe modelirovanie, Tome 12 (2000) no. 9, pp. 16-24 
G. D. Reznikov. One model of grain filter media. Matematičeskoe modelirovanie, Tome 12 (2000) no. 9, pp. 16-24. http://geodesic.mathdoc.fr/item/MM_2000_12_9_a1/
@article{MM_2000_12_9_a1,
     author = {G. D. Reznikov},
     title = {One model of grain filter media},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {16--24},
     year = {2000},
     volume = {12},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_2000_12_9_a1/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The algorithm of modeling of grain filter media with density 0.57-0.58 by the random packing of hard spheres is offered. Thus the method of molecular dynamics and the method of Eden are used. The geometrical characteristics of packing are compared to know results of physical and mathematical modeling. The data necessary for account of filters are resulted.