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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

  Natural frequency (cycle/time) due to 5% increment of elastic parameters
Mode CS1TS Ex Ey Ez υxy υxz υyz 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