From: Aerodynamic Characteristics of Isolated Loaded Tires with Different Tread Patterns: Experiment and Simulation
Mesh type
Tire surface cells size (mm)
Thickness of first layer (mm)
Number of boundary layers
Number of total cells
Coarse
3‒8
0.05
10
4.2 million
Medium
1‒5
8.8 million
Fine
0.5‒3
14.5 million