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

Figure 4

The first 4 vibrational modes of cross-ply laminated spherical shells,  𝜔=𝜔(𝑎²/ℎ)𝜌/𝐸₂, for laminate ([0^∘/90^∘/90^∘/0^∘]) using a grid of 21×21 points, for 𝑎/ℎ=100, 𝑅/𝑎=10.

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