OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Venturi3d example › Re: Venturi3d example June 17, 2018 at 10:57 pm #2840 LaurentDelaonParticipant Hi Robin, why do I use a porous Model ?? My disk is in iron the fuild is air…They are no porosity…. Laurent.