CAFFA (abbreviation for Computer Aideed Fluid-Flow Analysis) is a well-known CFD code that followed Ferziger&Peric book on Computational Fluid Dynamics.
Menter's k-omega SST (short for Shear Stress Transport) model is probably the dearest turbulence model in aerodynamics community. It is a blend of k-omega and k-epsilon model. It's popularity is not diminishing since it's being used in new RANS/LES hybrid models like DES (Detached Eddy Simulation) too.
My wish was to made available to wider community a simple implementation of this model. First I will upload only 2D code, and in the future I plan to upgrade CAFFA to unstructured 3D version.
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