Sound Radiation and Vibration of Composite Panels Excited by Turbulent Flow: Analytical Prediction and Analysis

Table 4

First 10 natural frequencies for the composite panels.

Modes	𝑓, Hz (Case  1)	𝑓, Hz (Case  2)	𝑓, Hz (Case  3)	𝑓, Hz (Case  4)
1	23.65	105.88	48.74	126.58
2	45.48	264.70	112.22	157.93
3	72.76	423.52	131.48	210.19
4	81.86	529.41	194.96	283.35
5	94.59	688.23	218.00	377.41
6	130.97	899.99	269.39	474.96
7	132.79	952.93	300.75	492.38
8	154.62	1058.81	332.87	506.32
9	176.45	1323.51	366.12	558.57
10	181.91	1376.45	438.66	628.25