Journal of Applied Mathematics / 2013 / Article / Tab 3

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

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