Research Article

Research on Simplified Calculation Method of Coupled Vibration of Vehicle-Bridge System

Table 1

Simplified comparison of different models.

ModelMassGravityInertial forceStiffnessDamping

The moving load model
The moving mass modelM1
The spring-damping-mass modelM1 + M2 and K1C1
The VBI modelComplete wheelset, bogie, and body massGravity generated by the complete wheelset, bogie, and car body massInertial force generated by wheelsets, bogies, and car bodiesPrimary spring and secondary springPrimary damping and secondary damping