Mode | Kraus [22] R/h = 10 | Kraus [22] R/h = 50 | Ventsel et al. [35] R/h = 200 | Present theory R/h = 50 |
1 | 0.8060 | 0.7548 | 0.7441 | 0.7579 |
2 | 1.2054 | 0.9432 | 0.9281 | 0.9034 |
3 | 1.6179 | 1.0152 | 0.9693 | 0.9499 |
4 | 1.9051 | 1.1082 | - | 1.1089 |
5 | 2.7205 | 1.2523 | - | 1.2759 |
6 | 2.9301 | 1.4576 | - | 1.4723 |
7 | 4.0274 | 1.6558 | - | 1.6237 |
8 | 5.5142 | 1.7636 | - | 1.7634 |