Confirming the Process of Particulate Material Mixing using EDEM Software
- Peter Peciar
- Slovak University of Technology in Bratislava, Slovakia
- Faculty of Mechanical Engineering, Institute of Process Engineering
At the present time within research of particulate materials, computer methods that work independently with individual particles are coming to the forefront. One such method is the Discrete Element Method–DEM, which is already widely used. Its usage, however, is complex, mostly due to the input data–what the properties of the researched material are, plus their interaction in processes. And despite the progress, it is still always necessary to validate the experimental equipment and to verify the individual simulations by an experimental measuring or by theoretical knowledge. This study focuses on the verification of the simulation of the mixing of a particulate material with the help of the DEM method using the program EDEM Academic, whereby simulations are compared with an experimental measurement and theoretic calculations. The theoretical calculation was carried out by the Novosad model, while the experimental material was granulated polyethylene with strictly defined mechanical-physical properties.
EDEM has been very useful for verifying theories and experiments. For complex experiments where simple theories and experiments will not be used, the EDEM program will be irreplaceable for gaining new knowledge at a given time.