Simulation and Verification of Dynamic Response of Railway Wagon on Railway Track

YU Yuebin; ZHAO Shangchao; LI Xiangwei; LI Qiang

doi:10.3969/j.issn.0258-2724.20170412

Volume 54 Issue 3

Jun. 2019

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Journal of Southwest Jiaotong University > 2019 > 54(3): 626-632.

YU Yuebin, ZHAO Shangchao, LI Xiangwei, LI Qiang. Simulation and Verification of Dynamic Response of Railway Wagon on Railway Track[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 626-632. doi: 10.3969/j.issn.0258-2724.20170412

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YU Yuebin, ZHAO Shangchao, LI Xiangwei, LI Qiang. Simulation and Verification of Dynamic Response of Railway Wagon on Railway Track[J]. Journal of Southwest Jiaotong University, 2019, 54(3): 626-632. doi: 10.3969/j.issn.0258-2724.20170412

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Simulation and Verification of Dynamic Response of Railway Wagon on Railway Track

doi: 10.3969/j.issn.0258-2724.20170412

YU Yuebin^{1,2
,},
ZHAO Shangchao²,
LI Xiangwei^{2
,
,},
LI Qiang¹

Received Date: 06 Jun 2017
Rev Recd Date: 05 Jun 2018

Available Online: 11 Jul 2018

Publish Date: 01 Jun 2019

Abstract

Abstract

For resolving errors between a simulation analysis and the test results of a large system, a multi-body simulation model of a railway wagon with 26 degrees of freedom was created using test data from a real test rig on a railway track and by incorporating the wagon body’s subsystems into the simulation object in order to realise a simulation calculation of the dynamic response of the railway wagon. The results show that the maximum RMS (root mean square) error between the simulation and the test of the wagon body bolster’s vertical and lateral vibration acceleration is 9%. Furthermore, the RMS error between the simulation and test of the wagon body bolster’s vertical and lateral vibration acceleration is less than 8.57% in the 1.5–15.0 Hz frequency range. Finally, the response signal waveforms of the dynamic stress of the simulation and that of the wagon body’s key welds are almost identical. The comparison and validation of the simulation and test results show that the simulation results substantially reproduce the dynamic response conditions of the railway wagon running along a railway track.
- rails,
- dynamic simulation,
- simulation and test,
- full-scale fatigue test rig

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References(11)

References

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