Research Article
Vibration Analysis of a Rotating Disk with a Crack
Table 1
The four lower dimensionless natural frequencies of a free-free stationary disk with a radial crack of dimensionless length .
| | | | | |
| Symmetric mode |
|
Yuan et al., [28] | 0.627 | 0.795 | 0.907 | 0.917 | Present study | 0.610 | 0.784 | 0.861 | 0.259 | % Difference of natural frequency | 2.641 | 1.412 | 5.089 | 1.178 |
| Antisymmetric mode |
|
Yuan et al., [28] | 0.262 | 0.468 | 0.584 | 0.685 | Present study | 0.259 | 0.457 | 0.538 | 0.622 | % Difference of natural frequency | 1.267 | 2.262 | 7.895 | 9.228 |
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