case | h/c |
| Re | frequency (Hz) | reduced frequency ( ) |
2a |
| 68.6 | 5 × 106 | 0.5, 1.0, 1.5 | 0.010, 0.021, 0.031 |
2b | 0.8 | 68.6 | 5 × 106 | 1.0, 1.5 | 0.021, 0.031 |