Vibration Characteristics Analysis of Composite Laminated Annular/Circular Plate Using High-Order Shear Deformation Theory

Table 5

Comparison of the frequency parameter for the composite laminated circular plate with different plate thicknesses.

h/R1	Method	Mode number
		1	3	5	6	7	9	11
0.01	FEM	3.090	6.446	10.575	12.078	15.477	18.559	21.138
	Present	3.093	6.351	10.504	12.025	15.366	18.258	20.984
0.02	FEM	3.087	6.435	10.548	12.043	15.420	18.481	21.034
	Present	3.091	6.338	10.476	12.001	15.309	18.176	20.882
0.05	FEM	3.069	6.362	10.362	11.812	15.039	17.962	20.355
	Present	3.074	6.258	10.294	11.775	14.938	17.660	20.221
0.08	FEM	3.037	6.234	10.044	11.418	14.412	17.118	19.275
	Present	3.042	6.120	9.983	11.391	14.327	16.822	19.171
0.1	FEM	3.008	6.123	9.778	11.092	13.906	16.445	18.435
	Present	3.013	6.001	9.724	11.073	13.835	16.155	18.355
0.15	FEM	2.915	5.782	9.009	10.156	12.522	13.677	14.644
	Present	2.921	5.624	8.981	10.164	12.492	14.339	14.707
0.2	FEM	2.798	5.393	8.202	9.190	10.258	11.175	11.905
	Present	2.806	5.091	8.196	9.230	11.029	11.185	11.880