Curvature Effects on the Vibration Characteristics of Doubly Curved Shallow Shells with General Elastic Edge Restraints

Table 9

The first frequency parameters of C-F-F-F shallow shells.

0	0.1	0.2	0.3	0.4	0.5
−1.0		4.9390	6.4878	7.3699	7.8426	8.0919
		(4.9410)		(7.4051)		(8.2255)
		[4.9440]	[6.5038]	[7.4128]		[8.2429]
−0.9		4.9825	6.6661	7.6655	8.2239	8.5387
−0.8		5.0252	6.8587	7.9971	8.6576	9.0487
−0.7		5.0663	7.0653	8.3697	9.1546	9.6369
−0.6		5.1048	7.2840	8.7874	9.5269	9.8504
−0.5		5.1396	7.5104	9.2176	9.6185	10.010
		(5.1385)		(9.2357)		(10.056)
		[5.1414]	[7.5071]			[10.062]
−0.4		5.1694	7.7375	9.2555	9.7052	10.170
−0.3		5.1931	7.9543	9.2880	9.7834	10.322
−0.2		5.2095	8.1458	9.3140	9.8483	10.456
−0.1		5.2176	8.2943	9.3323	9.8949	10.556
0	3.4719	5.2167	8.3822	9.3424	9.9193	10.608
	(3.4714^a)	(5.2146)		(9.3516)		(10.589)
	[3.4730^b]	[5.2174]	[8.3683]			[10.595]
0.1		5.2066	8.3962	9.3441	9.9203	10.606
0.2		5.1873	8.3318	9.3379	9.8996	10.557
0.3		5.1596	8.1954	9.3246	9.8612	10.472
0.4		5.1241	8.0020	9.3052	9.8097	10.365
0.5		5.0823	7.7709	9.2807	9.7488	10.246
		(5.0815)		(9.3020)		(10.284)
		[5.0840]	[7.7655]			[10.295]
0.6		5.0354	7.5207	9.2520	9.6815	10.121
0.7		4.9848	7.2667	9.0767	9.6096	9.9934
0.8		4.9318	7.0193	8.5747	9.5342	9.8641
0.9		4.8777	6.7852	8.1283	8.9808	9.5183
1.0		4.8234	6.5675	7.7347	8.4410	8.8618
		(4.8259)		(7.7733)		(9.0054)
		[4.8282]	[6.5854]	[7.7836]		[9.0327]

Results from [14].
^bResults from [18].