Three-Dimensional Vibration Analysis of Rectangular Thick Plates on Pasternak Foundation with Arbitrary Boundary Conditions

Table 1

Comparison of the frequency parameters for square thick plate with different boundary conditions.

BC		Method	Mode number
			1	2	3	4	5	6	7
SSSS	0.2	Reference [20]	17.528	32.192	32.192	38.502	38.502	45.526	55.843
		Reference [17]	17.526	32.192	32.192	38.483	38.483	45.526	55.787
		Present	17.525	32.184	32.184	38.480	38.480	45.526	55.781
	0.5	Reference [17]	12.426	12.877	12.877	18.210	23.007	23.007	25.753
		Present	12.424	12.874	12.874	18.210	23.005	23.005	25.747
CCCC	0.2	Reference [20]	26.974	47.253	47.253	61.944	61.944	63.570	72.568
		Reference [17]	26.906	47.103	47.103	61.917	61.917	63.348	72.286
		Present	26.966	47.192	47.192	61.949	61.949	63.453	72.404
	0.5	Reference [17]	15.294	24.078	24.078	24.823	24.823	29.377	31.210
		Present	15.305	24.088	24.088	24.826	24.826	29.373	31.522
FFFF	0.2	Reference [18]	11.710	17.433	21.252	27.647	27.647	40.191	42.776
		Present	11.719	17.436	21.254	27.659	27.659	40.192	42.776
	0.5	Reference [18]	8.780	12.515	14.962	16.073	17.030	17.030	17.631
		Present	8.781	12.515	14.962	16.073	17.030	17.030	17.633