From 16 until 18 September 2019, Engys brings the global community of users of their open-source CFD software tools HELYX and ELEMENTS together. The events consists of a training day and two days of technical sessions. On Tuesday 17 September Dynaflow Research Group will give a presentation titled: “Helyx CFD applied to Industrial Applications in Oil and Gas Industries”. In this presentation several industrial CFD applications in the oil & gas industry will be discussed to review the capabilities and limitations of the discrete element method (DEM) when coupling HELYX with the software HADES developed by DRG.