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The development of adaptive morphing wings has been individuated as one of the crucial topics in the
greening of the next generation air transport. Research programs have been lunched and are still running
worldwide to exploit the potentials of morphing concepts in the optimization of aircraft efficiency and in the
consequent reduction of fuel burn. In the framework of CRIAQ MDO 505, a joint Canadian and Italian
research project, an innovative camber morphing architecture was proposed for the aileron of a reference
civil transportation aircraft; aileron shape adaptation was conceived to increase roll control effectiveness as
well as to maximize overall wing efficiency along a typical flight mission. Implemented structural solutions
and embedded systems were duly validated by means of ground tests carried out on a true scale prototype.
Relying upon the experimental modes of the device in free-free conditions, a rational analysis was carried out
in order to investigate the impacts of the morphing aileron on the aeroelastic stability of the reference
aircraft. Flutter analyses were performed in compliance with EASA CS-25 airworthiness requirements and
referring -at first- to nominal aileron functioning. In this way, safety values for aileron control harmonic and
degree of mass-balance were defined to avoid instabilities within the flight envelope. Trade-off analyses were
finally addressed to justify the robustness of the adopted massbalancing as well as the persistence of the
flutter clearance in case of relevant failures/malfunctions of the morphing system components.
Rosario Pecora,Francesco Amoroso,Rita Palumbo,Maurizio Arena,Gianluca Amendola, andIgnazio Dimino
"Preliminary aeroelastic assessment of a large aeroplane equipped with a camber-morphing aileron", Proc. SPIE 10166, Industrial and Commercial Applications of Smart Structures Technologies 2017, 101660E (4 April 2017); https://doi.org/10.1117/12.2260008
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Rosario Pecora, Francesco Amoroso, Rita Palumbo, Maurizio Arena, Gianluca Amendola, Ignazio Dimino, "Preliminary aeroelastic assessment of a large aeroplane equipped with a camber-morphing aileron," Proc. SPIE 10166, Industrial and Commercial Applications of Smart Structures Technologies 2017, 101660E (4 April 2017); https://doi.org/10.1117/12.2260008