Dynamical Analysis of Long Fiber-Reinforced Laminated Plates with Elastically Restrained Edges

Table 8

Frequency parameters 𝜔_𝑖 for [0°/45°] carbon-epoxy AS4-3501-6 (Table 1), with different fiber volume fraction 𝑘_𝑓 and boundary conditions. 𝑎/ℎ=10.

Boundary conditions	𝑘𝑓	Mode sequence number
		1	2	3	4
𝑆1𝑆1𝑆1𝑆1	0.1	1.198	2.379	0.193	2.872
	0.2	1.435	2.683	0.166	3.337
	0.3	1.628	2.951	0.154	3.723
	0.4	1.804	3.212	0.148	4.092
	0.5	1.973	3.475	0.145	4.463
	0.6	2.143	3.754	0.145	4.859
	0.7	2.319	4.054	0.146	5.290
	0.8	2.489	4.344	0.148	5.724
𝐶1𝐶1𝐶1𝐶1	0.1	1.826	3.091	3.560	4.502
	0.2	2.073	3.407	4.032	4.961
	0.3	2.287	3.702	4.452	5.387
	0.4	2.498	4.003	4.874	5.824
	0.5	2.715	4.321	5.317	6.290
	0.6	2.949	4.671	5.807	6.809
	0.7	3.207	5.062	6.359	7.396
	0.8	3.466	5.449	6.934	7.982
𝑆2𝑆2𝐶1𝐶1	0.1	1.446	2.825	3.037	3.975
	0.2	1.651	3.137	3.469	4.621
	0.3	1.830	3.417	3.847	5.045
	0.4	2.002	3.697	4.213	5.470
	0.5	2.173	3.987	4.587	5.912
	0.6	2.351	4.303	4.989	6.395
	0.7	2.541	4.651	5.430	6.933
	0.8	2.724	4.989	5.876	7.464