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 › 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?