Proceedings Article10.1115/SMASIS2008-496
Technology Integration for Active Poly-Morphing Winglets Development
Narcis M. Ursache,Tomas Melin,Askin T. Isikveren,Michael I. Friswell +3 more
- 01 Jan 2008
- pp 775-782
TL;DR: In this paper, the authors present the preparation of a working physical mock-up wingtip device with morphing functionality, which is used to demonstrate material compliance, mechanism kinematics and perform bandwidth experimentation.
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Abstract: This article presents the preparation of a working physical mock-up wingtip device with morphing functionality. The objective of the mechanical demonstrator is to achieve a technology readiness level to establish confidence that one would proceed to an in-service R&D initiative. To establish the feasibility of scalable technology integration for product development, a tier schedule is employed to demonstrate material compliance, mechanism kinematics and perform bandwidth experimentation. Potential composite materials for design of flexible skins (i.e., Hexweb® , Kevlar® 49 and HexPly® ) were assessed using a spectrum of experimental verification procedures. These results are embodied to benchmark qualitatively and quantitatively the mechanical performance of the potential materials to use in a preliminary optimized morphing schedule.© 2008 ASME
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Citations
A Review of Morphing Aircraft
TL;DR: In this paper, the authors classify the shape morphing parameters that can be affected by planform alteration (span, sweep, and chord), out-of-plane transformation (twist, dihedral/gull, and span-wise bending), and airfoil adjustment (camber and thickness).
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A review of modelling and analysis of morphing wings
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TL;DR: It became apparent that the adoption of morphing concepts for routine use on aerial vehicles is still scarce, and some reasons holding back their integration for industrial use are given.
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The mechanics of composite corrugated structures: A review with applications in morphing aircraft
TL;DR: A comprehensive review of the literature on corrugated structures can be found in this article, with applications ranging from traditional engineering structures such as Corrugated steel beams through to morphing aircraft wing structures.
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Flight Dynamics and Control Using Folding Wingtips: An Experimental Study
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TL;DR: In this paper, the impact of folding wingtips on the lateral and directional stability of a mini UAV was investigated using wind-tunnel testing in the RJ Mitchell windtunnel at the University of Southampton.
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Bending deformation limits of corrugated unidirectionally reinforced composites
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TL;DR: In this paper, the deformation limits of circular corrugated unidirectional reinforced composites for bending dominated applications are investigated using a two-dimensional analytical stress function approach which takes through-thickness normal stresses into account.
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References
Mechanical properties of corrugated composites for candidate materials of flexible wing structures
TL;DR: In this paper, a simple analytical model for the initial stiffness of the corrugated composites is developed, and the predictions are compared with the experimental results, and some improvements, installing of stiff rod and flexible rubber, are attempted for the creation of smooth aerodynamic surface and the improvement of stiffness.
307
Morphing Winglets for Aircraft Multi-phase Improvement
Narcis M. Ursache,Tomas Melin,Askin T. Isikveren,Michael I. Friswell +3 more
- 18 Sep 2007
TL;DR: In this article, a tier schedule is employed to develop application to take full advantage of material compliance through MDO to form functionally active integrated non-planar wing, to improve multi-phase mission performance, manoeuvrability and integrated economics.
Second-order statistics of the elastic buckling of functionally graded rectangular plates
TL;DR: In this article, the effect of randomness on the elastic buckling of FGM rectangular plates which are resting on an elastic foundation and subjected to uniform in-plane edge compressions is investigated.