Research Article
Identification of Loss Factor of Fiber-Reinforced Composite Based on Complex Modulus Method
Table 2
The first 8 natural frequencies obtained by the complex modulus method and its errors.
| | Modal order | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| | Calculation (Hz) | 139.2 | 278.6 | 357.1 | 742.9 | 835.2 | 985.6 | 1005.1 | 1175.5 | | Experiment (Hz) | 139.8 | 270.3 | 387.3 | 730.9 | 867.9 | 980.5 | 1035.2 | 1205.9 | | Errors (%) | 0.43 | 3.07 | 7.80 | 1.64 | 3.77 | 0.52 | 2.91 | 2.52 |
|
|
