OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Reynolds normal stress › Reply To: Reynolds normal stress April 30, 2021 at 9:26 am #5642 MarcParticipant Dear Xu Yang, have a look at the functor SuperLatticeTimeAveragedCrossCorrelationF3D. You can find the corresponding source code and documentation in src/functors/lattice/timeAveraged/superLatticeTimeAveraged3D.h(h) Best Marc