Study on Dynamics of Polygonal Wear of Automotive Tire Caused by Self-Excited Vibration

Table 1

The system parameters.

System parameter	Symbol	Value	Unit
Coefficient of air resistance		0.315	/
Windward area		2.0	m^2
Tread mass density		1250	kg/m^3
Vertical load		4000	N
Toe-in angle		0.3	deg
Structure constant of tire		0.67	/
Structure constant of tire		115	/
Crown width of tire		0.166	m
The lateral curvature radius of tire		0.155	m
The radius of tire		0.317	m
Pressure of tire		280	kPa
Tread lateral damping		10	N·s/m
The height of tread		0.015	m