Vertical Track Irregularity Influence on the Wheel High-Frequency Vibration in Wheel-Rail System

Table 1

The wheel system vertical vibration natural frequencies.

Order	Frequency/Hz
1	80.5
2	173.2
3	338.1
4	616.2
5	786.6
6	1014.8
7	1381.1
8	1980.4
9	2295.2
10	2423.2
11	2694.6
12	3218.7
13	3660.3
14	3990.1
15	4365.9
16	4754.7