Research Article
The Effect of Perforation on the Dynamics of a Flexible Panel
Table 5
Parameters of the perforated panel with different hole arrays.
| Name | Number of holes | Diameter (mm) | Perforation ratio (%) |
| P40-14-10 | 40 | 14 | 10 | P41-14-10-tria | 40 | 14 | 10 | P40-20-21 | 40 | 20 | 21 | P41-20-21-tria | 40 | 20 | 21 |
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