Numerical Study on Propagative Waves in a Periodically Supported Rail Using Periodic Structure Theory

Table 1

Model parameters.

Track component	Parameter	Value
CHN60 rail	Young’s modulus	E = 210 GPa
	Poisson’s ratio	ν = 0.3
	Density	ρ = 7830 kg/m^3
	Length	L = 0.65 m
Rail pad	Width	= 0.15 m
	Length	lr = 0.16 m
	Vertical stiffness	kv = 70 kN/mm
	Longitudinal stiffness	kl = 20 kN/mm
	Lateral stiffness	kL = 30 kN/mm
	Fastener spacing	d = 0.65 m