Dynamic Analysis of the High Speed Train and Slab Track Nonlinear Coupling System with the Cross Iteration Algorithm

Table 1

Parameters for China high speed train CRH3.

Parameters	Value	Parameters	Value
Mass of car body 2 (kg)	40000	Damping of primary suspension system 2 (KN⋅s/m)	100
Mass of bogie 2 (kg)	3200	Damping of secondary suspension system 2 (kN⋅s/m)	120
Mass of wheel (kg)	1200	Wheelbase 2 (m)	2.50
Pitch inertia of car body 2 (kg⋅m^2)	5.47 × 10^5	Distance between center of front bogie and center of rear bogie 2 (m)	17.375
Pitch inertia of bogie 2 (kg⋅m^2)	6800	Stiffness of wheel/rail contact (MN/m)	1.325 × 10^3
Stiffness of primary suspension system 2 (MN/m)	2.08	Axle load (kN)	140
Stiffness of secondary suspension system 2 (MN/m)	0.8	Length of vehicle (m)	25.675