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

Table 4

Comparison of the frequency parameters Ω of an orthotropic plate elastically restrained in the z direction.

ku	Mode number
	1	2	3	4	5	6	7	8
10^2	0.18702	0.29162	0.29497	0.62104	0.74459	0.78604	0.80941	0.84366
10^4	0.18702	0.29162	0.29497	0.62104	0.74459	0.78604	0.80941	0.84366
10^6	0.18703	0.29162	0.29498	0.62105	0.74459	0.78604	0.80942	0.84366
10^8	0.18875	0.29162	0.29562	0.62138	0.74459	0.78604	0.80959	0.84397
10^10	0.29162	0.29912	0.34712	0.65655	0.74459	0.78604	0.82568	0.87358
10^12	0.29163	0.48109	0.53466	0.74461	0.78605	0.94237	1.05215	1.06005
10^14	0.29163	0.48454	0.54369	0.74461	0.78606	0.95355	1.05293	1.07903
10^16	0.29163	0.48458	0.54379	0.74461	0.78606	0.95368	1.05294	1.07922
10^18	0.29163	0.48458	0.54379	0.74461	0.78606	0.95368	1.05294	1.07922