Research Article
Dynamic Response of Soft Core Sandwich Beams with Metal-Graphene Nanocomposite Skins
Table 8
Frequencies
and loss factors
. Cantilever beam.
| | Skins | FSDT-FSDT | HSDT-FSDT | HSDT-HSDT | | Ω [Hz] | [%] | Ω [Hz] | [%] | Ω [Hz] | [%] |
| | Al | 84.13
436.65
1053.75
1838.88
2820.05 | 3.434
11.101
12.914
12.206
10.221 | 84.85
448.09
1086.40
1893.28
2890.12 | 2.973
10.511
12.863
12.716
11.032 | 83.67
406.48
734.59
858.98
904.38 | 3.087
9.860
7.019
3.605
2.004 |
| | Mg | 84.02
456.47
1117.87
1949.40
2959.16 | 2.357
9.419
12.506
13.228
12.150 | 84.52
466.42
1151.14
2011.58
3046.37 | 2.019
8.658
12.107
13.345
12.712 | 83.57
424.73
760.54
872.90
910.38 | 2.078
7.913
5.765
3.025
1.784 |
| | Ti | 159.07
782.41
1877.64
3314.04
5165.27 | 5.057
12.166
12.263
10.072
7.664 | 160.87
805.16
1933.22
3395.21
5261.62 | 4.461
11.931
12.613
10.874
8.531 | 158.53
734.80
1365.51
1643.24
1752.25 | 4.642
11.447
7.744
3.595
1.772 |
|
|
