Coupling between Transverse Vibrations and Instability Phenomena of Plates Subjected to In-Plane Loading

Table 2

The first six natural frequency coefficients Ω_𝑖 for a C-C-SS-SS plate under uniform 𝑁_𝑥 loading (𝛼=0).

𝜆=𝑎/𝑏=1; 𝑁crit=61.4151	𝑁/𝑁crit
	0	0.1	0.25	0.5	0.75	1
Ω1	27.0542	25.7489	23.6368	19.5326	14.0587	0
Ω2	60.5387	58.4465	54.9733	48.6153	41.2865	32.4139
Ω3	60.7863	60.1238	59.2827	57.8385	56.3769	54.8441
Ω4	92.8371	91.4269	89.2672	85.5386	81.6286	77.5081
Ω5	114.557	112.082	108.152	101.257	93.8564	85.8259
Ω6	114.704	114.350	113.923	113.207	112.485	111.755