* wall treatment
You can combine the turbulent flow interfaces with different types of wall treatments, according to the following list:
1. Wall functions
+ Robust and applicable for *coarse* meshes
+ Limited accuracy
+ Smooth and rough walls
+ Supported by k-ε, Realizable k-ε, and k-ω
2. Low-Reynolds-number treatment
+ Resolves the flow all the way down to the walls
+ Accurate
+ Supported by all turbulence models except the standard k-ε and Realizable k-ε
4. Automatic wall treatment
+ Switches between low-Re treatment and wall functions
+ Accurate according to local mesh resolution
+ Inherits the robustness provided by wall functions
+ Default for all turbulence models except standard k-ε and Realizable k-ε
Wall Treatment
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转载自www.cnblogs.com/code-saturne/p/11070534.html
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