Influence of Full-Life Cycle Wheel Profile on the Contact Performance of Wheel and Standard Fixed Frog in Heavy Haul Railway

Table 1

The parameters of the vehicle.

Parameters	Values	Units
The mass of carbody	100000	kg
The rolling moment of inertia of carbody	48000	kg·m^2
The nodding moment of inertia of carbody	440000	kg·m^2
The yawing moment of inertia of carbody	445000	kg·m^2
The mass of bolster	800	kg
The rolling moment of inertia of bolster	240	kg·m^2
The nodding moment of inertia of bolster	20	kg·m^2
The yawing moment of inertia of bolster	240	kg·m^2
The mass of side frame	500	kg
The rolling moment of inertia of side frame	20	kg·m^2
The nodding moment of inertia of side frame	200	kg·m^2
The yawing moment of inertia of side frame	200	kg·m^2
The mass of carrying-saddle	27	kg
The rolling moment of inertia of carrying-saddle	0.4	kg·m^2
The nodding moment of inertia of carrying-saddle	0.2	kg·m^2
The yawing moment of inertia of carrying-saddle	0.4	kg·m^2
The mass of wedge	10	kg
The rolling moment of inertia of wedge	0.06	kg·m^2
The nodding moment of inertia of wedge	0.06	kg·m^2
The yawing moment of inertia of wedge	0.08	kg·m^2
The mass of wheelset	1200	kg
The rolling moment of inertia of wheelset	800	kg·m^2
The nodding moment of inertia of wheelset	110	kg·m^2
The yawing moment of inertia of wheelset	800	kg·m^2
The longitudinal stiffness of the secondary suspension	1.8	MN/m
The lateral stiffness of the secondary suspension	1.8	MN/m
The vertical stiffness of the secondary suspension	2.61	MN/m
The longitudinal stiffness of the primary suspension	14	MN/m
The lateral stiffness of the primary suspension	10	MN/m
The vertical stiffness of the primary suspension	170	MN/m