OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Compute and define temperature on a cell. › Reply To: Compute and define temperature on a cell. April 27, 2022 at 10:51 am #6515 AdrianKeymaster Rho is returned by-value from olb::Cell::computeRho(). See e.g. Doxygen (ConstCell) for further method signatures.