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

Table 10

First eight frequency parameters Ω of an orthotropic plate with different boundary conditions (h/a = 1).

Mode number	Boundary conditions
	CCCC	SSSS	CFCF	SFSF	E1E1E1E1	E2E2E2E2	E3E3E3E3	E4E4E4E4
1	1.88150	1.61076	1.18445	1.05760	0.56798	0.56627	0.55563	0.54909
2	2.72568	1.61076	1.36175	1.25628	1.37869	1.66037	1.30379	0.56044
3	2.77687	1.68779	1.48851	1.28218	1.75549	1.71853	1.44804	0.56080
4	2.78767	2.04273	2.31018	1.31711	1.81113	1.75476	1.99754	0.68732
5	2.89328	2.13744	2.31299	1.61086	2.15870	2.27932	2.35262	0.68739
6	3.37654	2.28641	2.33043	2.04281	2.22119	2.30082	2.37089	0.79706
7	3.38005	2.55773	2.38591	2.05895	2.57591	2.38993	2.44314	1.47435
8	3.38707	2.66766	2.40352	2.11317	2.62957	2.57678	2.52716	1.67874