Open Access
Table 1
The parameters of the numerical model.
| Bogie mass | mb = 2400 kg |
|---|---|
| Wheelset mass | mw = 1400 kg |
| Rail mass (under the axle) | mr = 175 kg |
| Bogie wheelbase | 2ab = 2.5 m |
| Inertia moment | Jb = 2.28 × 103 kg m2 |
| Elastic constant of the suspension corresponding to a wheel | k zb = 0.616 MN/m |
| Damping constant of the suspension corresponding to a wheel | cb = 9.05 kNs/m |
| Track vertical stiffness | kr = 70 MN/m |
| Vertical damping of the track | cr = 60 kNs/m |
| Stiffness of the wheel–rail contact | k H = 1500 MN/m |
| Force due to the secondary suspension | Fs = 167 kN |
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