Table 4 Comparison of the orthotropic brace, plate and combined system natural frequencies
From: Can a brace be used to control the frequencies of a plate?
m x | m y | Brace natural frequencies | Plate natural frequencies | Combined system natural frequencies | % Increase by adding |
|---|---|---|---|---|---|
(Hz) | (Hz) | (Hz) | the brace | ||
1 | 1 | 873 | 166 | 590 | 256% |
2 | 1 | 873 | 530 | 703 | 33% |
2 | 2 | 3491 | 662 | 930 | 40% |
1 | 2 | 3491 | 330 | 1015 | 207% |
2 | 3 | 7855 | 923 | 1185 | 28% |
1 | 3 | 7855 | 629 | 1248 | 98% |
3 | 1 | 873 | 1146 | 1273 | 11% |
2 | 4 | 13965 | 1321 | 1551 | 17% |
1 | 4 | 13965 | 1054 | 1598 | 52% |
2 | 5 | 21820 | 1853 | 2051 | 11% |
1 | 5 | 21820 | 1604 | 2090 | 30% |