Nonlinear Random Response Analyses of Panels Considering Transverse Shear Deformations under Combined Thermal and Acoustic Loads

Table 1

Natural frequencies of thin and thick square panels (units: Hz).

Mode No.	Thin panel; (a/h = 300)	Thick panel; (a/h = 50)
1st	53.41	320.02
2nd	133.75	799.67
3rd	214.04	1277.10
4th	269.66	1606.54
5th	349.83	2079.74
6th	468.13	2774.34