Pasquale Losurdo
Numerical investigation on the applicability of fiber metal laminates for the crashworthiness of a tiltrotor leading edge under bird strike conditions.
Rel. Erasmo Carrera, Matteo Filippi. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Aerospaziale, 2022
Abstract
The present work, performed in collaboration with the Italian Aerospace Research Centre (CIRA), aims to investigate the applicability of composite materials to the skin of the wing leading edge of the Leonardo Next-Generation Civil Tiltrotor (NGCTR-TD). In particular, the component is designed to satisfy the bird strike requirements while also providing the minimum structural weight. Two materials have been investigated: ARALL and GLARE fiber metal laminates. This study was driven by the industrial demand to find a configuration able to provide a significant weight saving with respect to the current aluminum alloy leading edge structure. The study was performed by means of numerical investigation and all numerical simulations were performed using the FE commercial explicit solver Abaqus.
The first step of the study was the calibration of the models and parameters of the materials to be used in the dynamic simulations
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