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

Table 6

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

0	0.1	0.2	0.3	0.4	0.5
−1.0		50.707	79.487	110.59	135.19	155.65
		(50.750)		(110.80)		(157.35)
−0.9		49.523	76.526	106.07	127.62	147.57
−0.8		48.480	73.848	101.82	120.15	138.48
−0.7		47.589	71.504	97.941	113.01	129.39
−0.6		46.862	69.540	93.579	106.44	120.72
−0.5		46.305	67.999	89.835	100.65	112.89
		(46.335)		(90.225)		(113.65)
−0.4		45.926	66.921	86.814	95.871	106.27
−0.3		45.730	66.332	84.612	92.317	101.26
−0.2		45.719	66.250	83.309	90.176	98.185
−0.1		45.894	66.678	82.958	89.578	97.291
0	35.985	46.253	67.607	83.577	90.571	98.675
	(35.985^a)	(46.281)		(83.923)		(99.263)
0.1		46.791	69.014	85.151	93.116	102.27
0.2		47.502	70.867	87.629	97.095	107.85
0.3		48.377	73.128	90.937	102.34	115.14
0.4		49.408	75.751	94.986	108.66	123.82
0.5		50.583	78.693	99.680	115.87	133.60
		(50.618)		(100.00)		(134.13)
0.6		51.892	81.906	104.93	123.80	144.22
0.7		53.323	85.346	110.64	132.30	155.48
0.8		54.867	88.969	116.74	141.23	167.19
0.9		56.511	92.732	123.15	150.48	179.18
1.0		58.247	96.593	129.81	159.95	191.28
		(58.297)		(130.16)		(191.99)

Results from [14].