Journal of Applied Mathematics / 2013 / Article / Tab 2

Research Article

Analysis of Laminated Shells by Murakami’s Zig-Zag Theory and Radial Basis Functions Collocation

Table 2

Nondimensionalized fundamental frequencies of cross-ply laminated spherical shells, , and laminate ( ).

Method
5 10 20 50 100

10 Present ( ) 12.0527 11.8889 11.8474 11.8357 11.8340 11.8335
Present ( ) 12.0523 11.8886 11.8471 11.8355 11.8338 11.8332
Present ( ) 12.0522 11.8885 11.8470 11.8355 11.8338 11.8332
HSDT [56] 12.040 11.840 11.790 11.780 11.780 11.780

100 Present ( ) 31.2170 20.5742 16.8698 15.6744 15.4960 15.4361
Present ( ) 31.2072 20.5679 16.8648 15.6698 15.4915 15.4316
Present ( ) 31.2059 20.5672 16.8642 15.6693 15.4910 15.4311
HSDT [56] 31.100 20.380 16.630 15.420 15.230 15.170

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