OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Poiseuille2D Inflow › Reply To: Poiseuille2D Inflow May 22, 2020 at 11:48 am #4973 František PrinzParticipant Hi Nicolas, thank you very much, I thought that distance2Wall is the Radius of the channel, but it is the difference to the nearest node. Regards, Frank