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Damping levels induced by morphing skin on an adaptive trailing edge device (ATED)

: Concilio, A.; Dimino, I.; Diodati, G.; Pecora, R.; Magnifico, M.; Schorsch, O.

American Institute of Aeronautics and Astronautics -AIAA-, Washington/D.C.:
24th AIAA/AHS Adaptive Structures Conference 2016 : San Diego, United States, 4-8 January
Reston, Va.: AIAA, 2016
ISBN: 9781624103964
Adaptive Structures Conference <24, 2016, San Diego/Calif.>
Conference Paper
Fraunhofer IFAM ()

The development of aircraft structural morphing devices involves the integration of complex and different systems, interacting and modifying their uncoupled characteristics. In detail, when adaptive skins, designed to afford the exceptional deformations needed to achieve morphing capabilities, are integrated into the actuation structural system, mass, stiffness and damping aspects are highly affected. This fact can have relevant impacts for the design process either from the static (load-bearing capabilities) and the dynamic (aeroelastic response, mainly), point of view. In order to properly characterise these important aspects, the manufacture of intermediate demonstrators was decided, not implementing all the design solutions yet but giving emphasis at certain subsystems. A mock-up was initially manufactured, whose structural properties (ability to carry out loads) were simply guaranteed by the elastic skin.