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Twist morphing of a composite rotor blade using a novel metamaterial

Huaiyuan Gu, Alexander Shaw Orcid Logo, Mohammadreza Amoozgar, Jiaying Zhang Orcid Logo, Chengyuan Wang Orcid Logo, Michael Friswell

Composite Structures, Volume: 254, Start page: 112855

Swansea University Authors: Huaiyuan Gu , Alexander Shaw Orcid Logo, Jiaying Zhang Orcid Logo, Chengyuan Wang Orcid Logo, Michael Friswell

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Abstract

A novel meta-material has been designed and implemented into a rotor blade to enhance aerodynamic efficiency by achieving a passive twist during rotation. The twist is induced by bend-twist coupling exhibited in the meta-material, which is created to possess anisotropic elastic properties at the bul...

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Published in: Composite Structures
ISSN: 0263-8223
Published: Elsevier BV 2020
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URI: https://cronfa.swan.ac.uk/Record/cronfa55080
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spelling 2020-09-25T16:37:17.1303918 v2 55080 2020-08-27 Twist morphing of a composite rotor blade using a novel metamaterial db93d83569b09f82342a8a52b7a3cdf2 Huaiyuan Gu Huaiyuan Gu true false 10cb5f545bc146fba9a542a1d85f2dea 0000-0002-7521-827X Alexander Shaw Alexander Shaw true false 12b61893c794b14f11cf0a84cb947d0e 0000-0001-7308-5090 Jiaying Zhang Jiaying Zhang true false fdea93ab99f51d0b3921d3601876c1e5 0000-0002-1001-2537 Chengyuan Wang Chengyuan Wang true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 2020-08-27 FGSEN A novel meta-material has been designed and implemented into a rotor blade to enhance aerodynamic efficiency by achieving a passive twist during rotation. The twist is induced by bend-twist coupling exhibited in the meta-material, which is created to possess anisotropic elastic properties at the bulk level. A concept design of a rectangular blade spar is proposed where the metamaterial is used as the core material to induce twist. Using finite element analysis(FEA) we demonstrate how the bend-twist property of the blade spar is governed by cell geometries of the core material. The twist is activated by a lagwise bending moment generated from a movable mass at the blade tip due to off-centre centrifugal forces. The relationship between the twist, mass location and rotational speed has been explored. Moreover, it was found that the bend-twist property achieved by the proposed blade spar is more effective compared to that of an anisotropic thin-walled composite beam. Journal Article Composite Structures 254 112855 Elsevier BV 0263-8223 Metamaterial, Composite rotor blade, Twist morphing, Bend-twist coupling, FE analysis 15 12 2020 2020-12-15 10.1016/j.compstruct.2020.112855 COLLEGE NANME Science and Engineering - Faculty COLLEGE CODE FGSEN Swansea University 2020-09-25T16:37:17.1303918 2020-08-27T10:56:43.4050604 College of Engineering Engineering Huaiyuan Gu 1 Alexander Shaw 0000-0002-7521-827X 2 Mohammadreza Amoozgar 3 Jiaying Zhang 0000-0001-7308-5090 4 Chengyuan Wang 0000-0002-1001-2537 5 Michael Friswell 6 55080__18054__444a52b8dd3240b0acbdec92c76dcb3c.pdf 55080.pdf 2020-08-27T10:59:16.6912440 Output 1954236 application/pdf Accepted Manuscript true 2021-08-26T00:00:00.0000000 © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ true English
title Twist morphing of a composite rotor blade using a novel metamaterial
spellingShingle Twist morphing of a composite rotor blade using a novel metamaterial
Huaiyuan, Gu
Alexander, Shaw
Jiaying, Zhang
Chengyuan, Wang
Michael, Friswell
title_short Twist morphing of a composite rotor blade using a novel metamaterial
title_full Twist morphing of a composite rotor blade using a novel metamaterial
title_fullStr Twist morphing of a composite rotor blade using a novel metamaterial
title_full_unstemmed Twist morphing of a composite rotor blade using a novel metamaterial
title_sort Twist morphing of a composite rotor blade using a novel metamaterial
author_id_str_mv db93d83569b09f82342a8a52b7a3cdf2
10cb5f545bc146fba9a542a1d85f2dea
12b61893c794b14f11cf0a84cb947d0e
fdea93ab99f51d0b3921d3601876c1e5
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author_id_fullname_str_mv db93d83569b09f82342a8a52b7a3cdf2_***_Huaiyuan, Gu_***_
10cb5f545bc146fba9a542a1d85f2dea_***_Alexander, Shaw_***_0000-0002-7521-827X
12b61893c794b14f11cf0a84cb947d0e_***_Jiaying, Zhang_***_0000-0001-7308-5090
fdea93ab99f51d0b3921d3601876c1e5_***_Chengyuan, Wang_***_0000-0002-1001-2537
5894777b8f9c6e64bde3568d68078d40_***_Michael, Friswell_***_
author Huaiyuan, Gu
Alexander, Shaw
Jiaying, Zhang
Chengyuan, Wang
Michael, Friswell
author2 Huaiyuan Gu
Alexander Shaw
Mohammadreza Amoozgar
Jiaying Zhang
Chengyuan Wang
Michael Friswell
format Journal article
container_title Composite Structures
container_volume 254
container_start_page 112855
publishDate 2020
institution Swansea University
issn 0263-8223
doi_str_mv 10.1016/j.compstruct.2020.112855
publisher Elsevier BV
college_str College of Engineering
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hierarchy_top_title College of Engineering
hierarchy_parent_id collegeofengineering
hierarchy_parent_title College of Engineering
department_str Engineering{{{_:::_}}}College of Engineering{{{_:::_}}}Engineering
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description A novel meta-material has been designed and implemented into a rotor blade to enhance aerodynamic efficiency by achieving a passive twist during rotation. The twist is induced by bend-twist coupling exhibited in the meta-material, which is created to possess anisotropic elastic properties at the bulk level. A concept design of a rectangular blade spar is proposed where the metamaterial is used as the core material to induce twist. Using finite element analysis(FEA) we demonstrate how the bend-twist property of the blade spar is governed by cell geometries of the core material. The twist is activated by a lagwise bending moment generated from a movable mass at the blade tip due to off-centre centrifugal forces. The relationship between the twist, mass location and rotational speed has been explored. Moreover, it was found that the bend-twist property achieved by the proposed blade spar is more effective compared to that of an anisotropic thin-walled composite beam.
published_date 2020-12-15T04:20:58Z
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