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 › Inlet velocity profile › Re: Inlet velocity profile July 17, 2018 at 9:06 am #2887 mathiasKeymaster Before you set sBoundaryCondition.addSlipBoundary( superGeometry, 2) you need to set a “doNothing” dynamics there. Best Mathias