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 February 19, 2023 at 12:47 pm #7209 FBukreevKeymaster Hello, yes, this is the way to change some value per cell. There are many reasons why the temperature does not change. You need to display the temperature value after each operation with ADE equation to find the reason. Regards Fedor