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THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING

Davide Balatti, Hamed Haddad Khodaparast Orcid Logo, Michael Friswell, Marinos Manolesos, Mohammadreza Amoozgar

XI International Conference on Structural Dynamics, Volume: 1, Pages: 631 - 639

Swansea University Authors: Davide Balatti, Hamed Haddad Khodaparast Orcid Logo, Michael Friswell, Marinos Manolesos

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DOI (Published version): 10.47964/1120.9050.19773

Abstract

In recent years, the development of lighter and more efficient transport aircraft has led to an increased focus on gust load alleviation. A recent strategy is based on the use of folding wingtip devices that increase the aspect ratio and therefore improves the aircraft performance. Moreover, numeric...

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Published in: XI International Conference on Structural Dynamics
ISBN: 9786188507203, 9786188507227
ISSN: 2311-9020
Published: Athens EASD 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa57476
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spelling 2021-09-27T10:47:06.7887018 v2 57476 2021-07-29 THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING 4c58ba20bbabfef44b00b143e96b37e1 Davide Balatti Davide Balatti true false f207b17edda9c4c3ea074cbb7555efc1 0000-0002-3721-4980 Hamed Haddad Khodaparast Hamed Haddad Khodaparast true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 44a3e0d351ccd7a8365d5fc7c50c8778 Marinos Manolesos Marinos Manolesos true false 2021-07-29 AERO In recent years, the development of lighter and more efficient transport aircraft has led to an increased focus on gust load alleviation. A recent strategy is based on the use of folding wingtip devices that increase the aspect ratio and therefore improves the aircraft performance. Moreover, numerical studies have suggested such a folding wingtip solution may incorporate spring devices in order to provide additional gust load alleviation ability in flight. It has been shown that wingtip mass, stiffness connection and hinge orientation are key parameters to avoid flutter and achieve load alleviation during gusts. In this paper, after defining a simplified aeroelastic model representative of an symmetric aircraft, considers the case of adding movable wingtips. The effects of hinge position, orientation and spring stiffness will be considered in order to evaluate the potential of this technique for gust load alleviation. Moreover, is studied the longitudinal flight dynamics of a rigid aircraft with elastic wing Conference Paper/Proceeding/Abstract XI International Conference on Structural Dynamics 1 631 639 EASD Athens 9786188507203, 9786188507227 2311-9020 Aeroelasticity, gust load alleviation, folding wingtip, passive control 1 9 2020 2020-09-01 10.47964/1120.9050.19773 Available as full-text from the EASD (European Association for Structural Dynamics- EURODYN 2020) website. COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University Engineering Physical Science Research Council (EPSRC) through a programme grant. EP/R006768/1 2021-09-27T10:47:06.7887018 2021-07-29T17:03:42.1655549 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Davide Balatti 1 Hamed Haddad Khodaparast 0000-0002-3721-4980 2 Michael Friswell 3 Marinos Manolesos 4 Mohammadreza Amoozgar 5
title THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
spellingShingle THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
Davide Balatti
Hamed Haddad Khodaparast
Michael Friswell
Marinos Manolesos
title_short THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
title_full THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
title_fullStr THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
title_full_unstemmed THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
title_sort THE EFFECT OF FOLDING WINGTIPS ON THE FLIGHT DYNAMICS OF AN AIRCRAFT WITH ELASTIC WING
author_id_str_mv 4c58ba20bbabfef44b00b143e96b37e1
f207b17edda9c4c3ea074cbb7555efc1
5894777b8f9c6e64bde3568d68078d40
44a3e0d351ccd7a8365d5fc7c50c8778
author_id_fullname_str_mv 4c58ba20bbabfef44b00b143e96b37e1_***_Davide Balatti
f207b17edda9c4c3ea074cbb7555efc1_***_Hamed Haddad Khodaparast
5894777b8f9c6e64bde3568d68078d40_***_Michael Friswell
44a3e0d351ccd7a8365d5fc7c50c8778_***_Marinos Manolesos
author Davide Balatti
Hamed Haddad Khodaparast
Michael Friswell
Marinos Manolesos
author2 Davide Balatti
Hamed Haddad Khodaparast
Michael Friswell
Marinos Manolesos
Mohammadreza Amoozgar
format Conference Paper/Proceeding/Abstract
container_title XI International Conference on Structural Dynamics
container_volume 1
container_start_page 631
publishDate 2020
institution Swansea University
isbn 9786188507203, 9786188507227
issn 2311-9020
doi_str_mv 10.47964/1120.9050.19773
publisher EASD
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 0
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description In recent years, the development of lighter and more efficient transport aircraft has led to an increased focus on gust load alleviation. A recent strategy is based on the use of folding wingtip devices that increase the aspect ratio and therefore improves the aircraft performance. Moreover, numerical studies have suggested such a folding wingtip solution may incorporate spring devices in order to provide additional gust load alleviation ability in flight. It has been shown that wingtip mass, stiffness connection and hinge orientation are key parameters to avoid flutter and achieve load alleviation during gusts. In this paper, after defining a simplified aeroelastic model representative of an symmetric aircraft, considers the case of adding movable wingtips. The effects of hinge position, orientation and spring stiffness will be considered in order to evaluate the potential of this technique for gust load alleviation. Moreover, is studied the longitudinal flight dynamics of a rigid aircraft with elastic wing
published_date 2020-09-01T04:13:15Z
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score 11.012678

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