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 OpenLB › General Topics › Venturi3d example › Re: Venturi3d example July 3, 2018 at 6:15 pm #2861 LaurentDelaonParticipant How can I combine indicatorlayer like indicatorcylinder with +,-,*?