Research Article
Vibration Characteristics of Ring-Stiffened Functionally Graded Circular Cylindrical Shells
Table 15
Variation of fundamental natural frequencies against
h/R, type I FG cylindrical shell with stainless steel ring stiffeners (
,
,
).
| | | | | | | | | | 5 |
| 0.001 | 3 | 52.567 | 50.896 | 51.992 | 51.859 | 51.711 | 51.434 | 51.163 | 50.995 | 0.005 | 2 | 24.993 | 23.985 | 24.643 | 24.563 | 24.473 | 24.307 | 24.145 | 24.045 | 0.007 | 2 | 23.114 | 22.162 | 22.783 | 22.707 | 22.623 | 22.466 | 22.313 | 22.218 | 0.01 | 2 | 21.393 | 20.493 | 21.081 | 21.000 | 20.929 | 20.782 | 20.637 | 20.547 | 0.02 | 1 | 15.812 | 15.090 | 15.561 | 15.504 | 15.440 | 15.321 | 15.204 | 15.133 | 0.03 | 1 | 15.096 | 14.396 | 15.060 | 14.798 | 14.736 | 14.621 | 14.507 | 14.438 | 0.04 | 1 | 14.717 | 14.028 | 14.472 | 14.424 | 14.362 | 14.249 | 14.137 | 14.069 | 0.05 | 1 | 14.482 | 13.800 | 14.245 | 14.191 | 14.131 | 14.019 | 13.908 | 13.841 |
|
|