Research Article
Analysis of Laminated Shells by Murakami’s Zig-Zag Theory and Radial Basis Functions Collocation
Table 3
Nondimensionalized fundamental frequencies of cross-ply laminated spherical shells,
, and laminate (
).
| | Method
| | | 5 | 10 | 20 | 50 | 100 | |
| | 10 | Present () | 11.9831 | 11.8192 | 11.7777 | 11.7660 | 11.7643 | 11.7638 | | Present () | 11.9827 | 11.8190 | 11.7774 | 11.7658 | 11.7641 | 11.7635 | | Present () | 11.9827 | 11.8190 | 11.7774 | 11.7658 | 11.7641 | 11.7635 | | HSDT [56] | 12.060 | 11.860 | 11.810 | 11.790 | 11.790 | 11.790 |
| | 100 | Present () | 31.1343 | 20.5420 | 16.8595 | 15.6721 | 15.4950 | 15.4355 | | Present () | 31.1244 | 20.5357 | 16.8545 | 15.6675 | 15.4905 | 15.4310 | | Present () | 31.1231 | 20.5350 | 16.8540 | 15.6671 | 15.4901 | 15.4306 | | HSDT [56] | 31.020 | 20.350 | 16.620 | 15.420 | 15.240 | 15.170 |
|
|
