Research Article
Development of a New Cracked Mindlin Plate Element
Table 7
Example 3: the ratios of the first four natural frequencies () of a cantilever plate with different thicknesses.
| Mode | | | | |
| 1st | 1.0000 | 0.9940 | 0.9840 | 0.9837 | 2nd | 1.0000 | 0.9992 | 0.9943 | 0.9941 | 3rd | 0.9999 | 0.9910 | 0.9735 | 0.9731 | 4th | 0.9999 | 0.9923 | 0.9811 | 0.9803 |
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