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 9:30 am #7732 FBukreevKeymaster a better way would be to define a new material number and set the needed temperature there directly without searching for the concrete cellID.