Due to recent bot attacks, newly registered users are required to send a message via our contact form in order to be able to post in the forum. OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Curved boundary › Reply To: Curved boundary November 12, 2024 at 11:55 am #9518 BranParticipant It is not a regular cylinder, but an irregular shape, can openlb do this?