Research Article
Dynamic Response of Soft Core Sandwich Beams with Metal-Graphene Nanocomposite Skins
Table 9
Frequencies Ω and loss factors
. Clamped beam.
| Skins | FSDT-FSDT | HSDT-FSDT | HSDT-HSDT | Ω [Hz] | [%] | Ω [Hz] | [%] | Ω [Hz] | [%] |
| Al | 408.37 978.48 1757.73 2737.05 3928.44 | 13.477 13.108 11.284 9.246 7.431 | 421.53 1009.54 1805.93 2798.66 3999.52 | 13.005 13.446 12.010 10.140 8.326 | 385.95 709.09 850.99 901.59 923.83 | 12.335 8.078 3.797 2.046 1.257 |
| Mg | 433.57 1041.96 1855.44 2856.66 4055.39 | 11.981 13.622 12.918 11.454 9.761 | 445.77 1076.11 1913.50 2936.21 4151.76 | 11.193 13.495 13.303 12.174 10.642 | 409.33 739.67 866.24 907.99 925.64 | 10.281 6.991 3.314 1.873 1.208 |
| Ti | 721.39 1749.76 3194.49 5049.72 7334.33 | 13.815 11.271 8.761 6.628 5.0545 | 745.48 1797.66 3262.61 5131.23 7424.58 | 13.888 12.008 9.649 7.487 5.801 | 686.00 1310.24 1626.79 1746.84 1800.15 | 13.580 8.165 3.569 1.727 0.974 |
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