Impact of the Wing Sweep Angle and Rib Orientation on Wing Structural Response for Un-Tapered Wings

Guillaume Francois; Jonathan E Cooper; Paul M Weaver

doi:10.2514/6.2016-0472

Impact of the Wing Sweep Angle and Rib Orientation on Wing Structural Response for Un-Tapered Wings

Guillaume Francois, Jonathan E Cooper, Paul M Weaver

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

1 Citation (Scopus)

437 Downloads (Pure)

Abstract

In this paper, the impact of varying the sweep angle of the spar and the rib orientation on wing structural deformation is investigated and related to a beam model. 3D Finite-Element wing wind tunnel models with varying wing sweep angle and rib orientation are considered. The wing models tip displacement and tip twist under static tip loads and aerodynamic loading are considered as well as the wing’s natural frequencies, aeroelastic instability speed and maximum root bending moment during a gust encounter. A framework to characterise Euler-Bernoulli beam properties on wings with geometric coupling is then developed and validated to relate the stiffness and bend/twist coupling parameter to the full FE models.

Original language	English
Title of host publication	57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference
Publisher	American Institute of Aeronautics and Astronautics Inc. (AIAA)
Number of pages	26
ISBN (Electronic)	9781624103926
DOIs	https://doi.org/10.2514/6.2016-0472
Publication status	Published - 4 Jan 2016
Event	57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016 - San Diego, United States Duration: 4 Jan 2016 → 8 Jan 2016

Conference

Conference	57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016
Country	United States
City	San Diego
Period	4/01/16 → 8/01/16

Access to Document

10.2514/6.2016-0472

GF_Scitech_2016paper_VF2_FrancoisAccepted author manuscript, 4.35 MB

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Cite this

@inproceedings{0237ae34819f41f4bd512b84471e44f0,

title = "Impact of the Wing Sweep Angle and Rib Orientation on Wing Structural Response for Un-Tapered Wings",

abstract = "In this paper, the impact of varying the sweep angle of the spar and the rib orientation on wing structural deformation is investigated and related to a beam model. 3D Finite-Element wing wind tunnel models with varying wing sweep angle and rib orientation are considered. The wing models tip displacement and tip twist under static tip loads and aerodynamic loading are considered as well as the wing{\textquoteright}s natural frequencies, aeroelastic instability speed and maximum root bending moment during a gust encounter. A framework to characterise Euler-Bernoulli beam properties on wings with geometric coupling is then developed and validated to relate the stiffness and bend/twist coupling parameter to the full FE models.",

author = "Guillaume Francois and Cooper, {Jonathan E} and Weaver, {Paul M}",

year = "2016",

month = jan,

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doi = "10.2514/6.2016-0472",

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booktitle = "57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference",

publisher = "American Institute of Aeronautics and Astronautics Inc. (AIAA)",

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note = "57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016 ; Conference date: 04-01-2016 Through 08-01-2016",

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Francois, G, Cooper, JE & Weaver, PM 2016, Impact of the Wing Sweep Angle and Rib Orientation on Wing Structural Response for Un-Tapered Wings. in 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference., AIAA 2016-0472, American Institute of Aeronautics and Astronautics Inc. (AIAA), 57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, 2016, San Diego, United States, 4/01/16. https://doi.org/10.2514/6.2016-0472

Impact of the Wing Sweep Angle and Rib Orientation on Wing Structural Response for Un-Tapered Wings. / Francois, Guillaume; Cooper, Jonathan E ; Weaver, Paul M.

57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. American Institute of Aeronautics and Astronautics Inc. (AIAA), 2016. AIAA 2016-0472.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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AB - In this paper, the impact of varying the sweep angle of the spar and the rib orientation on wing structural deformation is investigated and related to a beam model. 3D Finite-Element wing wind tunnel models with varying wing sweep angle and rib orientation are considered. The wing models tip displacement and tip twist under static tip loads and aerodynamic loading are considered as well as the wing’s natural frequencies, aeroelastic instability speed and maximum root bending moment during a gust encounter. A framework to characterise Euler-Bernoulli beam properties on wings with geometric coupling is then developed and validated to relate the stiffness and bend/twist coupling parameter to the full FE models.

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