Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › Turbulence modeling issue › Reply To: Turbulence modeling issue April 25, 2024 at 9:22 pm #8526 mathiasKeymaster It might be that you need a wall modell to correctly map the torbulent boundary layer.