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 › Heat transfer liquid-solid and heat conduction in solids › Reply To: Heat transfer liquid-solid and heat conduction in solids September 7, 2023 at 9:33 am #7733 JijoParticipant Dear Fedor, What about if I want to remove the material number after the time step?