Research Article
The Effect of Perforation on the Dynamics of a Flexible Panel
Table 2
Parameters of the perforated panel with different hole diameter and number of holes and fixed perforation ratios.
| Name | Number of holes | Diameter (mm) | Perforation ratio (%) |
| P20-20-10 | 20 | 20 | 10 | P40-14-10 | 40 | 14 | 10 | P80-10-10 | 80 | 10 | 10 | P20-28-21 | 20 | 28 | 21 | P30-23-21 | 30 | 23 | 21 | P40-20-21 | 40 | 20 | 21 | P20-34-30 | 20 | 20 | 30 | P30-28-30 | 30 | 34 | 30 | P58-20-30 | 58 | 28 | 30 |
|
|