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

Table 5

First 10 natural frequencies for the isotropic panels.

Modes	𝑓, Hz (Case  3)	𝑓, Hz (Case  4)	𝑓, Hz (Case  5)	𝑓, Hz (Case  6)
1	46.46	29.58	69.69	118.32
2	106.97	36.91	160.46	147.64
3	125.34	49.12	188.01	196.49
4	185.85	66.22	278.77	264.88
5	207.82	88.20	311.73	352.82
6	256.80	111.0	385.20	443.99
7	286.70	115.07	430.04	460.29
8	317.31	118.32	475.96	473.30
9	349.01	130.54	523.51	522.15
10	418.16	146.83	627.23	587.31