New to LBM and OpenLB? Attend our upcoming one-week hands-on Spring School in Marseille/France from 19.05.2025 – 23.05.2025. OpenLB – Open Source Lattice Boltzmann Code › Forums › on 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.