Three-Dimensional Vibration Analysis of Isotropic and Orthotropic Open Shells and Plates with Arbitrary Boundary Conditions

Table 2

Comparison of frequency parameters of isotropic square plates with FFFF and SSSS boundary conditions ( GPa, ).

B.C.		Method	Mode number
			1	2	3	4	5	6	7
FFFF	0.1	Reference [44]	12.728	18.956	23.346	31.965	31.965	55.493	55.493
		Reference [45]	12.726	18.955	23.347	31.965	31.965	55.493	55.493
		Present	12.728	18.955	23.346	31.969	31.969	55.493	55.493
	0.5	Reference [44]	8.7801	12.515	14.962	16.072	17.030	17.030	17.632
		Reference [45]	8.7802	12.515	14.962	16.073	17.030	17.030	17.631
		Present	8.7801	12.515	14.962	16.072	17.030	17.030	17.632
SSSS	0.1	Reference [44]	19.098	45.636	45.636	64.384	64.384	70.149	85.500
		Reference [46]	19.090	45.619	45.619	64.383	64.383	70.104	85.488
		Present	19.099	45.636	45.647	64.384	64.384	70.128	85.502
	0.5	Reference [44]	12.426	12.877	12.877	18.210	23.009	23.009	25.753
		Reference [46]	12.426	12.877	12.877	18.210	23.007	23.007	25.753
		Present	12.425	12.877	12.877	18.210	23.009	23.009	25.753