Dynamic of Friction Coupling Independently Rotating Wheels for High Speed

Table 1

Characteristic of bogies and track.

Number	Parameter	Value
	Mass of the car body	40000 kg
	Mass of the bogie	2760 kg
	Mass of the wheelset	2580 kg
	Length between bogie centers	12.3 m
	Axle base	2.3 m
	Nominal wheel radius	0.5 m
	Primary suspension stiffness ()	20/5/2 MN/m
	Primary damper ()	5 kN⋅s/m
	Secondary suspension stiffness ()	138/138/473 kN/m
	Secondary damper ()	2 kN⋅s/m
	Wheel profile	JM3
	Rail profile	UIC 60
	Gauge (m)	1.435
	Rail cant	1 : 40