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 Lattice Boltzmann Methods › General Topics › a new wall reflection BC for complex geometry › Reply To: a new wall reflection BC for complex geometry March 18, 2025 at 1:03 pm #9942 garcfdParticipant I put some details of the approach here in case anyone wants to give it a try: https://docs.google.com/presentation/d/1aXyArj2_nsMdsfY9GIQVvt6nI69F3QBoqEMKDnpeoEU