Advances in Turbulence Modeling at ANSYS

From 2012 Automotive Simulation World Congress: Turbulence modeling significantly impacts accuracy and cost of industrial CFD simulation. While virtual simulation is based mainly on Reynolds-averaged Navier–Stokes (RANS) turbulence models, certain classes of flows are better covered by models in which all or part of the turbulence spectrum is resolved in at least a portion of the numerical domain, called scale-resolving simulation (SRS). This session presents an overview of turbulence modeling techniques along with key aspects of RANS and SRS modeling, including the strengths and issues of each. It also reviews SRS advances through a series of validation and industrial cases.
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