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Ansys Learning Forum › Forums › Discuss Simulation › Fluids › Convergence issue in Supersonic Simulation › Reply To: Convergence issue in Supersonic Simulation

July 10, 2023 at 2:57 pm
Essence
Ansys Employee

Hello,

Select High Order Term Relaxation in Methods. Reduce the Courant number to 2.75 for initial iterations. Reduce the URFs to 0.5 (k and omega). Disable the Compressibility effects in k-w SST and try running. Also, let me know the net mass flow rate, net heat transfer rate and apply a variable report definition to judge the convergence. Use Green-Gauss node based gradient.