Research Article

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

Table 4

The simulation results of the acceleration and the main dominant frequency in each working condition.

Wl (m)Wa (mm)200 km/h350 km/h
(m/s2)/Amp (m/s2) (Hz)/Amp (m/s2) (m/s2)/Amp (m/s2) (Hz)/Amp (m/s2)

0.20.3580/1912372/112.4220/1002312/21.6
0.20.6600/2702372/162.7400/2202318/50.8
0.20.9640/2362372/124.92870/4451907/82.5
0.40.3350/1442372/81.05240/1262324/28
0.40.6360/1802372/102.8440/2802336/58.8
0.40.9400/1602372/83.95950/4901914/96.23
0.60.3240/912372/51.33250/1082334/22.1
0.60.6255/1272372/64.78424/2052341/59.1
0.60.9280/1162372/46.7920/4101914/95.5
0.80.3115/412372/22.25260/1102334/23.8
0.80.6129/522372/29.44460/2842334/60.2
0.80.9150/812372/30.65900/4101914/95
10.360/361403/19.65180/952338/18.47
10.691/492372/24.91310/2552324/41.87
10.9130/721403/23.12720/3401914/80.87
1.30.348/221403/9.1190/412355/19.2
1.30.667/392372/12.11210/962355/30.21
1.30.999/641403/19.23490/2211918/71.3
1.70.337/121403/6.9286/502367/22.75
1.70.664/291403/10.39110/772355/32.47
1.70.987/411403/22.33290/1801926/59.5
20.343/111403/4.3989/332392/11.96
20.636/221403/9.1978/512377/17.21
20.960/301403/8.81150/971938/27.68

Note: Wl = wavelength; Wa = wave amplitude; Amp = amplitude; = main dominant frequency; = peak acceleration simulated.