Research Article
Exact Dynamic Characteristic Analysis of Steel-Concrete Composite Continuous Beams
Table 2
A comparison of the fundamental frequencies for case 1.
| | Fundamental frequencies () | ANSYS FEA | Analytical solution [3, 4] | Proposed method | Relative errors |
| Infinite | 11.94 | 12.06 | 12.06 | 1.0 | 150 | 11.24 | 11.33 | 11.33 | 0.8 | 100 | 10.95 | 11.04 | 11.04 | 0.8 | 50 | 10.26 | 10.32 | 10.32 | 0.6 | 30 | 9.60 | 9.65 | 9.65 | 0.5 | 20 | 9.02 | 9.06 | 9.06 | 0.4 | 10 | 8.06 | 8.08 | 8.08 | 0.2 | 5 | 7.28 | 7.28 | 7.28 | 0.0 |
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