Dynamic Characters of Stiffened Composite Conoidal Shell Roofs with Cutouts: Design Aids and Selection Guidelines

<table>First mode shapes of laminated composite (0/90/0/90) stiffened conoidal shell for different positions of the square cutout with CCCC boundary condition. </table>

Journal of Engineering

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Figure 6

Figure 6: Dynamic Characters of Stiffened Composite Conoidal Shell Roofs with Cutouts: Design Aids and Selection Guidelines 