Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › 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