The Effect of Perforation on the Dynamics of a Flexible Panel

Table 4

Parameters of the perforated panel with different hole distributions.

Name	Number of holes	Diameter; (mm)	Perforation ratio (%)
P40-14-10	40	14	10
P40-14-10-edge	40	14	10
P40-14-10-center	40	14	10
P20-28-21	20	28	21
P20-28-21-edge	20	28	21
P20-28-21-center	20	28	21