The Effect of Perforation on the Dynamics of a Flexible Panel

Table 1

Parameters of the perforated panel with fixed hole diameter and different number of holes and perforation ratio.

Name	Number of holes	Diameter; (mm)	Perforation ratio (%)
P40-10-5	40	10	5
P80-10-5	80	10	10
P160-10-5	160	10	21