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 July 5, 2025 at 6:12 pm #10437 garcfdParticipant also here… wall reflection method.pdf