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Explicit wall models for large eddy simulation
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DOI：10.1063/5.0048563.png)
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摘要
En 中文
Algebraic explicit wall models covering the entire inner region of the turbulent boundary layer are proposed to reduce the computational effort for large eddy simulation of wall-bounded turbulent flows. The proposed formulas are given in closed forms with either logarithmic- or power-function-based laws of the wall, allowing straightforward evaluation of the friction velocity on near wall grids independent of their locations in the turbulent boundary layer. The performance of the proposed models is demonstrated by the wall modeled large eddy simulation of a turbulent plane channel flow.
Keyword:
BOUNDARY-CONDITIONS
LAYER MODELS
FLOW
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