Twist morphing of a composite rotor blade using a novel metamaterial

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

doi:10.1016/j.compstruct.2020.112855

Journal article 833 views 204 downloads

Twist morphing of a composite rotor blade using a novel metamaterial

Huaiyuan Gu, Alexander Shaw

, Mohammadreza Amoozgar, Jiaying Zhang

, Chengyuan Wang

, Michael Friswell

Composite Structures, Volume: 254, Start page: 112855

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

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DOI (Published version): 10.1016/j.compstruct.2020.112855

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
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa55080
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first_indexed	2020-08-27T09:59:36Z
last_indexed	2020-09-26T03:16:39Z
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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 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised 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 5894777b8f9c6e64bde3568d68078d40
author_id_fullname_str_mv	db93d83569b09f82342a8a52b7a3cdf2_*_Huaiyuan Gu 10cb5f545bc146fba9a542a1d85f2dea__Alexander Shaw 12b61893c794b14f11cf0a84cb947d0e__Jiaying Zhang fdea93ab99f51d0b3921d3601876c1e5__Chengyuan Wang 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
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container_start_page	112855
publishDate	2020
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issn	0263-8223
doi_str_mv	10.1016/j.compstruct.2020.112855
publisher	Elsevier BV
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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	2020-12-15T04:09:02Z
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score	11.013731

Twist morphing of a composite rotor blade using a novel metamaterial

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