Table 6 Natural frequencies for the CS1TS after increasing 5% of face layer elastic parameters
From: Parametric study on dynamic responses of stiffened sandwich composite bridge deck panel
| Â | Natural frequency (cycle/time) due to 5% increment of elastic parameters | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mode | CS1TS | Ex | Ey | Ez | Ï…xy | Ï…xz | Ï…yz | Gxy | Gxz | Gyz |
1 | 136.66 | 136.66 | 136.66 | 136.67 | 136.66 | 136.66 | 136.66 | 136.68 | 136.88 | 136.73 |
2 | 396.24 | 396.25 | 396.24 | 397.49 | 396.24 | 396.25 | 396.24 | 396.27 | 396.48 | 396.32 |
3 | 414.10 | 414.37 | 414.1 | 415.39 | 414.10 | 414.17 | 414.10 | 414.13 | 414.18 | 414.58 |
4 | 721.13 | 725.88 | 721.13 | 721.18 | 721.13 | 721.2 | 721.13 | 721.18 | 721.31 | 721.85 |
5 | 772.52 | 777.59 | 772.52 | 772.52 | 772.53 | 772.52 | 772.52 | 772.54 | 772.52 | 772.52 |
6 | 777.49 | 780.58 | 777.50 | 777.53 | 777.50 | 777.50 | 777.49 | 777.54 | 777.89 | 777.71 |
7 | 825.12 | 825.14 | 825.12 | 828.58 | 825.12 | 825.16 | 825.12 | 825.15 | 825.31 | 825.19 |
8 | 837.88 | 839.36 | 837.88 | 839.94 | 837.88 | 837.8 | 837.88 | 837.92 | 838.05 | 838.6 |
9 | 868.49 | 870.53 | 868.49 | 869.77 | 868.49 | 868.64 | 868.49 | 868.53 | 868.79 | 869.19 |
10 | 898.14 | 903.05 | 898.14 | 898.87 | 898.15 | 898.06 | 898.14 | 898.19 | 898.33 | 898.45 |