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Table 1 Grid independence study results

From: Effect of RANS Turbulence Model on Aerodynamic Behavior of Trains in Crosswind

Mesh

Surface size (mm)

Number of grids (million)

c s

Relative error (%)

1

112

11.95

4.09

2

80

23.81

4.00

− 2.20

3

72

29.85

4.04

1.22