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

Table 10

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

0	0.1	0.2	0.3	0.4	0.5
−1.0	13.468	13.456	13.419	13.356	13.267	13.151
−0.9		13.457	13.423	13.367	13.287	13.182
−0.8		13.458	13.428	13.377	13.305	13.211
−0.7		13.459	13.433	13.387	13.322	13.237
−0.6		13.461	13.437	13.397	13.338	13.261
−0.5		13.462	13.442	13.406	13.354	13.283
−0.4		13.463	13.446	13.415	13.368	13.304
−0.3		13.464	13.450	13.423	13.382	13.323
−0.2		13.465	13.454	13.431	13.394	13.341
−0.1		13.466	13.458	13.439	13.406	13.356
0		13.467	13.462	13.446	13.416	13.369
0.1		13.468	13.465	13.453	13.425	13.380
0.2		13.469	13.468	13.458	13.432	13.388
0.3		13.470	13.471	13.463	13.437	13.392
0.4		13.471	13.474	13.466	13.440	13.392
0.5		13.472	13.476	13.469	13.440	13.389
0.6		13.473	13.478	13.470	13.438	13.381
0.7		13.474	13.480	13.469	13.433	13.369
0.8		13.474	13.481	13.467	13.425	13.352
0.9		13.475	13.481	13.464	13.414	13.330
1.0		13.476	13.481	13.459	13.400	13.304