Can turbulence model simulate the laminar boundary layer?

    • yangyee

      When I use RANS method for simulation in solvers(such as CFX or Fluent),can the turbulence model (such as k-e, k-w, SST.etc)calculate the laminar boundary layer? When I choose a turbulence model, the regime of boundary layer is considered as turbulence, right?

      If not, there is a laminar option  when I choose a turbulence model in the solver. Can someone tell me the difference between these term? 

      What's more, what's the meaning of the transition model (such as Gamma-theta model) in ANSYS CFX ? 


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