Research Article
Dynamic Response of Soft Core Sandwich Beams with Metal-Graphene Nanocomposite Skins
Table 11
Frequencies Ω and loss factors
. Magnesium skins.
| Model Core | FSDT-FSDT | HSDT-FSDT | HSDT-HSDT | Ω [Hz] | [%] | Ω [Hz] | [%] | Ω [Hz] | [%] |
| | 263.78 720.64 1406.38 2318.26 3455.56 | 0.961 0.483 0.274 0.175 0.121 | 264.62 721.79 1407.66 2319.59 3456.87 | 1.141 0.576 0.328 0.210 0.145 | 244.59 562.65 777.39 864.96 901.65 | 1.199 0.475 0.148 0.053 0.024 |
| | 426.94 1026.42 1831.58 2826.39 4020.71 | 9.188 10.101 9.395 8.207 6.921 | 439.17 1059.63 1887.33 2902.15 4112.06 | 8.648 10.079 9.738 8.775 7.582 | 403.62 732.72 862.42 905.86 924.34 | 7.985 5.369 2.514 1.394 0.884 |
| | 529.27 1396.03 2604.02 4083.63 5787.68 | 2.176 4.087 5.857 7.355 8.499 | 532.60 1412.79 2649.80 4175.41 5940.13 | 1.860 3.567 5.228 6.709 7.912 | 479.22 827.59 917.98 942.89 950.811 | 1.587 1.161 0.657 0.486 0.216 |
|
|