04.2 - Aerostructures Design, Structural Dynamics, Aeroelasticity

OPTIMIZATION APPROACHES FOR THE SHEAR-POSTBUCKLING DESIGN OF THERMOPLASTIC THIN-PLY COMPOSITE SHELLS IN HELICOPTERS

M. Mauersberger¹, J. Rehfeldt¹, F. Hähnel¹, J. Markmiller¹; ¹Dresden University of Technology (TUD), Germany

This study applies sustainable technologies for optimizing a shear-postbuckling design of helicopter composite shell structures. Multi-objective evolutionary algorithms and nonlinear finite element analysis are used. Results show major influence of stiffener layout and stringer-shell interfaces on buckling factors. Hence, lightweight designs are favoured, although brittleness limits performance.

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DOI: 10.71945/icas2026_0614