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Computational Analysis of 3D Lattice Structures for Skin in Real-Scale Camber Morphing Aircraft
Open AccessArticle

Simplified 2D Skin Lattice Models for Multi-Axial Camber Morphing Wing Aircraft

1
Department of Mechanical and Manufacturing Engineering, Tennessee State University, Nashville, TN 37209, USA
2
KBJ Innovation Co., Nashville, TN 37218, USA
*
Author to whom correspondence should be addressed.
Aerospace 2019, 6(8), 90; https://doi.org/10.3390/aerospace6080090
Received: 25 April 2019 / Revised: 10 July 2019 / Accepted: 22 July 2019 / Published: 13 August 2019
Conventional fixed wing aircraft require a selection of certain thickness of skin material that guarantees structural strength for aerodynamic loadings in various flight modes. However, skin structures of morphing wings are expected to be flexible as well as stiff to structural and coupled aerodynamic loadings from geometry change. Many works in the design of skin structures for morphing wings consider only geometric compliance. Among many morphing classifications, we consider camber rate change as airfoil morphing that changes its rate of the airfoil that induces warping, twisting, and bending in multi-axial directions, which makes compliant skin design for morphing a challenging task. It is desired to design a 3D skin structure for a morphing wing; however, it is a computationally challenging task in the design stage to optimize the design parameters. Therefore, it is of interest to establish the structure design process in rapid approaches. As a first step, the main theme of this study is to numerically validate and suggest simplified 2D plate models that fully represents multi-axial 3D camber morphing. In addition to that, the authors show the usage of lattice structures for the 2D plate models’ skin that will lead to on-demand design of advanced structure through the modification of selected structure. View Full-Text
Keywords: lattice; camber morphing; wing morphing; wing skin; numerical analysis lattice; camber morphing; wing morphing; wing skin; numerical analysis
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MDPI and ACS Style

Alsaidi, B.; Joe, W.Y.; Akbar, M. Simplified 2D Skin Lattice Models for Multi-Axial Camber Morphing Wing Aircraft. Aerospace 2019, 6, 90.

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