Research Article
Forced Vibration Analysis of Laminated Composite Shells Reinforced with Graphene Nanoplatelets Using Finite Element Method
Table 4
The first five nondimensional fundamental frequencies of fully clamped shell.
| | | UD-type | X-type | O-type | V-type |
| | T = 300 K | | 55.0585 | 57.9374 | 46.0600 | 49.0584 | | 105.4688 | 111.5374 | 87.5778 | 93.7707 | | 105.7189 | 111.9037 | 87.6186 | 93.9600 | | 151.0943 | 160.8222 | 125.7792 | 135.2560 | | 184.6815 | 194.3923 | 154.0573 | 164.2965 |
| | T = 400 K | | 51.9456 | 54.5550 | 43.5648 | 46.7749 | | 99.3956 | 104.9268 | 82.7213 | 89.1410 | | 99.6000 | 105.2008 | 82.7251 | 89.4610 | | 141.8134 | 150.0833 | 118.5870 | 128.0876 | | 174.0027 | 182.9746 | 145.3327 | 156.2593 |
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