Research Article
An Efficient Model for Train-Track-Bridge-Coupled System under Seismic Excitation
Table 3
Natural frequency of vibration comparison.
| | Model | Unit | 1st mode | 2nd mode | 3rd mode | 4th mode | 5th mode |
| | Nine-span closed-loop model | Hz | 7.2643 | 7.2643 | 7.2651 | 7.2651 | 7.2664 | | Thirty-span complete model | Hz | 7.2642 | 7.2643 | 7.2643 | 7.2644 | 7.2644 | | Error | % | 0.00138 | 0 | 0.01101 | 0.00964 | 0.02753 |
|
|
