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 › Physical to Lattice time › Reply To: Physical to Lattice time July 29, 2021 at 9:32 pm #5881 mathiasKeymaster Its rounding to the next integer.