OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › implementing BCs on 2D circular boundaries › Reply To: implementing BCs on 2D circular boundaries February 27, 2021 at 4:55 pm #5495 mathiasKeymaster Dear at8i, we have several examplex using Bouzidi, e.g. cylinder 2d and 3d, as well as aorta3d. Which example are you talking about with the avEnergy=0 problem? Best Mathias