Research Article
Experimental Study on the Influence on Vibration Characteristics of Thin Cylindrical Shell with Hard Coating under Cantilever Boundary Condition
Table 3
The calculated natural frequencies and mode shapes of cantilever cylindrical shell with and without hard coating.
| | Modal order | TCS without coating | TCS with hard coating | Frequency differences
(%) | Natural frequency
(Hz) | Mode shape | Natural frequency
(Hz) | Mode shape |
| | 1 | 923.1 |
(1, 5) | 918.4 |
(1, 5) | 0.5 |
| | 2 | 985.3 |
(1, 4) | 972.3 |
(1, 4) | 1.3 |
| | 3 | 1064.9 |
(1, 6) | 1057.8 |
(1, 6) | 0.7 |
| | 4 | 1194.6 |
(1, 3) | 1171.8 |
(1, 3) | 1.9 |
| | 5 | 1326.5 |
(1, 7) | 1306.3 |
(1, 7) | 1.5 |
| | 6 | 1378.2 |
(1, 2) | 1362.4 |
(1, 2) | 1.1 |
| | 7 | 1650.8 |
(1, 8) | 1644 |
(1, 8) | 0.4 |
| | 8 | 2021.5 |
(1, 9) | 2011.9 |
(1, 9) | 0.5 |
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