Science and Education Publishing American Journal of Mechanical Engineering 1 1 2013 05 13 Modeling of Peat Mass Process Formation Based on 3D Analysis of the Screw Machine by the Code YADE 73 75 EN K. Epifancev งก. Nikulin S. Kovshov S. Mozer I. Brigadnov National Mineral Resources University Saint-Petersburg, Russian Federation AJME2013133 10.12691/ajme-1-3-3 2013 04 18 2013 04 27 2013 05 13 In the article authors investigate extrusion press for forming of peat furnace charge in order to produce fuel pellets. For modeling the behavior of pellets, we used discrete elements method in YADE framework.