24th Congress of International Council of the Aeronautical Sciences, 29 August-3, September 2004, Yokohama, Japan
Paper ICAS 2004-8.7.5

CRASHWORTHINESS SHAPE OPTIMIZATION OF HELICOPTER SUBFLOOR INTERSECTION ELEMENTS

L. Lanzi, C. Mirandola, L. M. L. Castelletti
Politecnico di Milano, Dip. Di Ingegneria Aerospaziale, Italy

Keywords: crashworthiness, helicopter subfloor, composite materials, shape optimization, response surfaces

This work proposes an optimization procedure applied to find the optimal shape of a typical helicopter subfloor intersection element made in Carbon Fibre Reinforced Plastic woven material. The crash behaviour is investigated by means of LS-Dyna.

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