W opracowaniu przedstawiono dobór modeli probabilistycznych w procesie symulacji maszyn roboczych. Weryfikację zgodności danych empirycznych z modelami teoretycznymi przeprowadzono dla rozkładów: wykładniczego, Weibulla, normalnego i log- normalnego. Opracowane wyniki użyto do eksperymentu symulacyjnego.
The physical properties of granular loose materials depend on their internal structure, which can considered as the geometry of solid particles in space. The purpose of this paper is to find the method for solid phase reconstruction of granular medium by means of computer packing simulation and to determine and describe the pores created by solid particles. Then two possible mechanisms of a 3D-pore network drying were presupposed and their influence on the desaturation process was examined. First of them assumed that the drying of each pore depends on their neck parameters only (model of independent pores) while the second one takes into account the neighbour pores as well (percolation mechanism). Besides the related pore size distributions (PSD) were calculated and compared with experimental data. It was found that the PSD obtained from an experimental moisture curve is situated in between PSDs from two models.