Free Vibration Analysis of the Unified Functionally Graded Shallow Shell with General Boundary Conditions

Table 7

Frequency parameters for Al/Al₂O₃ cylindrical shell with different BC and varying geometric parameters.

Material type			BC
			SSSS	SE^1SE^1	SCSC	CFCF	CE^2CE^2	CCCC	E^1E^2E^1E^2	E^3FE^3F
	1	0.1	4.812	6.428	7.204	5.027	7.734	8.446	1.108	0.777
		0.05	6.059	7.610	9.742	5.882	8.864	10.908	3.132	2.097
		0.01	14.011	17.976	22.193	8.862	19.552	23.812	17.424	7.511
	2	0.1	11.358	20.257	25.185	5.600	20.933	25.740	3.838	2.085
		0.05	12.807	21.974	35.872	7.241	22.612	36.379	10.845	4.570
		0.01	34.617	43.664	65.965	12.143	43.049	68.030	35.525	10.029
	1	0.1	4.766	6.357	7.144	5.032	7.653	8.393	1.108	0.777
		0.05	6.034	7.568	9.707	5.887	8.816	10.876	3.132	2.097
		0.01	13.992	17.949	22.166	8.863	19.524	23.783	17.410	7.512
	2	0.1	11.190	19.946	24.954	5.603	20.604	25.517	3.838	2.085
		0.05	12.720	21.796	35.747	7.244	22.425	36.257	10.845	4.571
		0.01	34.589	43.622	65.857	12.143	43.005	67.921	35.484	10.028