@inproceedings{a1e302699b8a484ba7cc2b3ef6b17afd,
title = "Vibrations of a High-Aspect-Ratio, Multi-Element Wing",
abstract = "A full-scale finite element model of a high aspect ratio, back swept, slotted-natural-laminar-flow wing is used to: 1) study the uncoupled and coupled modes of the two elements of the wing; 2) investigate the effects of connection stiffness and number of connections on the coupled modes. The two elements are attached via constraint equations and springs or connectors, using a component mode synthesis approach. The wing model includes the aerodynamic skins as well as internal structural elements. The analysis shows that increasing the stiffness of the springs can couple the two wings such that the low order modes resemble those of a conventional wing. Out-of-plane modes are the most compliant modes with coupling. Torsional modes become mixed bending/torsional modes, with the aft element undergoing most of the deformation. In-plane bending modes appear to evolve to mixed in-plane /out-of-plane/ torsion modes with more connectors or higher stiffness.",
author = "Auriane Bottai and Campbell, \{Robert L.\} and Jonson, \{Michael L.\}",
note = "Funding Information: This work was supported by the National Aeronautics and Space Administration (NASA), under the University Leadership Initiative (ULI) at The Pennsylvania State University as a subcontract to the University of Tennessee, Knoxville for the {"}Advanced Aerodynamic Design Center for Ultra-Efficient Commercial Vehicles{"} (Award NNX17AJ95A). Funding Information: This work was supported by the National Aeronautics and Space Administration (NASA), under the University Leadership Initiative (ULI) at The Pennsylvania State University as a subcontract to the University of Tennessee, Knoxville for the Publisher Copyright: {\textcopyright} 2022, American Institute of Aeronautics and Astronautics Inc. All rights reserved.; AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022 ; Conference date: 03-01-2022 Through 07-01-2022",
year = "2022",
doi = "10.2514/6.2022-2537",
language = "English (US)",
isbn = "9781624106316",
series = "AIAA Science and Technology Forum and Exposition, AIAA SciTech Forum 2022",
publisher = "American Institute of Aeronautics and Astronautics Inc, AIAA",
booktitle = "AIAA SciTech Forum 2022",
}