OpenLB – Open Source Lattice Boltzmann Code › Forums › on OpenLB › General Topics › "WARNING: no discreteNormal is found " in the free energy model › Reply To: "WARNING: no discreteNormal is found " in the free energy model September 25, 2019 at 3:28 pm #4572 zshi6193Participant Dear Dr Mathias, Thanks for your reply and suggestion. After I increase the mesh size, the problems are partly solved. Best regards, Simon