论文信息 - On the Impact of Tangential Grid Refinement on Subgrid-Scale Modelling in Large Eddy Simulation

On the Impact of Tangential Grid Refinement on Subgrid-Scale Modelling in Large Eddy Simulation

The paper presents Large Eddy Simulations of plane channel flow at a friction Reynolds number of 180 and 395 with a block-structured Finite Volume method. Local grid refinement near the solid wall is employed in order to reduce the computational cost of such simulations or other simulations of wall-bounded flows. Different subgrid-scale models are employed and different expressions for the length scale in these models are investigated. It turns out that the numerical discretization has an non-negligible impact on the computed fluctuations.

Jochen Fröhlich | Christof Hinterberger | Henning Bockhorn | Jordan A. Denev

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