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

Table 3

The first six natural frequency coefficients Ω_𝑖 for a C-C-SS-SS plate under uniform shear 𝑁_𝑥𝑦 loading.

𝜆=𝑎/𝑏=1.5; 𝑁crit=89.8137	𝑁/𝑁crit
	0	0.1	0.25	0.4	0.5	0.75	0.9	1
Ω1	44.8904	44.7005	43.7991	42.4070	40.2822	32.4323	22.3996	0
Ω2	76.5451	76.1864	74.3165	70.7817	67.4142	54.4376	41.3590	27.7956
Ω3	122.319	122.349	122.548	121.465	117.487	104.882	95.5807	88.7020
Ω4	129.393	128.871	126.129	122.871	123.101	123.415	123.108	122.473
Ω5	152.529	152.707	153.680	155.033	155.912	157.429	157.633	157.273
Ω6	202.615	200.101	194.748	188.611	184.103	171.463	163.073	214.018