The chord-wise bending airfoil wing could be achieved by employing a kind of active morphing skin which was embedded with pneumatic muscle fibers. This camber morphing structure involves the discipline of structural mechanics which is analysed in this paper. Carbon fiber composite plate is utilized for the upper surface skin of the chord-wise bending airfoil structure, so the approach described in this paper starts from deformation analysis of the upper surface skin based on the classical laminate theory. Energy method was also used for solving the shape function of the upper surface skin which was under the condition of pure bending. While the active morphing skin was actuated at a series of discrete actuation pressures, the fixed geometrical shapes of the chord-wise bending airfoil structure could be obtained. Meanwhile the finite element method (FEM) was used for analyzing this chord-wise bending airfoil structure and the deformed shapes of the upper surface skins would be obtained. Deformed shapes of the upper surface skins between numerical analysis result and FEM analysis result were compared in this paper. This structural analysis work provides useful design and camber morphing characteristics for chord-wise bending airfoil structure. Developers of future shape-adaptive air vehicles have been provided with structural design tools.
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ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 21–23, 2015
Colorado Springs, Colorado, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5730-4
PROCEEDINGS PAPER
Structural Analysis of Morphing Airfoils for Camber Adaptive Wing
Ning Feng,
Ning Feng
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
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Liwu Liu,
Liwu Liu
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
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Yanju Liu,
Yanju Liu
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
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Jinsong Leng
Jinsong Leng
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
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Ning Feng
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
Liwu Liu
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
Yanju Liu
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
Jinsong Leng
Harbin Institute of Technology Harbin, Harbin, Heilongjiang, China
Paper No:
SMASIS2015-9116, V002T06A014; 6 pages
Published Online:
January 11, 2016
Citation
Feng, N, Liu, L, Liu, Y, & Leng, J. "Structural Analysis of Morphing Airfoils for Camber Adaptive Wing." Proceedings of the ASME 2015 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 2: Integrated System Design and Implementation; Structural Health Monitoring; Bioinspired Smart Materials and Systems; Energy Harvesting. Colorado Springs, Colorado, USA. September 21–23, 2015. V002T06A014. ASME. https://doi.org/10.1115/SMASIS2015-9116
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