OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › Couple sourced AD and NS lattices › Reply To: Couple sourced AD and NS lattices April 7, 2022 at 5:02 am #6418 antoniowuParticipant Dear Julius, Thanks for your comment. It turns out the NS-AD coupling generator does not handle the source field. I’ve included the source field into the coupling generator and now everything works fine. Cheers, Antonio