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Table 3 Results obtained by URANS simulation on 2D mesh and 3D simulations on Mesh-B

From: RANS and hybrid LES/RANS simulations of flow over a square cylinder

Model Mesh St -Cpb CD CL CD
URANS 2D Mesh 0.137 1.35 2.07 1.37 0.06
Gieseking 3D Mesh-B 0.127 1.28 2.02 1.24 0.180
original IDDES 3D Mesh-B 0.122 1.4 2.13 1.27 0.272
modified IDDES 3D Mesh-B 0.128 1.28 2.02 1.18 0.189
Experiments   0.122~0.133 1.3~1.6 2.02~2.22 1.18~1.32 0.207~ 0.245