Research Article
Research on Simplified Calculation Method of Coupled Vibration of Vehicle-Bridge System
Table 1
Simplified comparison of different models.
| Model | Mass | Gravity | Inertial force | Stiffness | Damping |
| The moving load model | — | | — | — | — | The moving mass model | M1 | | | — | — | The spring-damping-mass model | M1 + M2 | | and | K1 | C1 | The VBI model | Complete wheelset, bogie, and body mass | Gravity generated by the complete wheelset, bogie, and car body mass | Inertial force generated by wheelsets, bogies, and car bodies | Primary spring and secondary spring | Primary damping and secondary damping |
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