A Semianalytical Three-Dimensional Elasticity Solution for Vibrations of Orthotropic Plates with Arbitrary Boundary Conditions

Table 8

First eight frequency parameters Ω of an orthotropic plate with different boundary conditions (h/a = 0.3).

Mode number	Boundary conditions
	CCCC	SSSS	CFCF	SFSF	E1E1E1E1	E2E2E2E2	E3E3E3E3	E4E4E4E4
1	0.44282	0.33200	0.29858	0.19759	0.17039	0.16987	0.16384	0.15148
2	0.71373	0.48323	0.32960	0.27621	0.39345	0.36694	0.30514	0.16813
3	0.75068	0.48323	0.44653	0.38466	0.52665	0.52642	0.31104	0.16823
4	0.81678	0.64974	0.50323	0.48326	0.66414	0.65042	0.47775	0.22784
5	0.96659	0.65043	0.60714	0.49437	0.67670	0.67737	0.61966	0.22816
6	1.02214	0.65611	0.65953	0.55985	0.73408	0.68260	0.62444	0.23910
7	1.04768	0.89741	0.76750	0.62422	0.94386	0.71401	0.74591	0.35537
8	1.07657	0.96645	0.81376	0.63107	0.96491	0.89351	0.77238	0.40865