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Article: Effects of the prestress levels on the stiffness of prismatic and star-shaped tensegrity structures

TitleEffects of the prestress levels on the stiffness of prismatic and star-shaped tensegrity structures
Authors
KeywordsEigenvalue analysis
Prestress
Stiffness
Tensegrity
Issue Date2017
PublisherSage Publications Ltd. The Journal's web site is located at http://mms.sagepub.com
Citation
Mathematics and Mechanics of Solids, 2017, v. 22 n. 9, p. 1866-1875 How to Cite?
AbstractOn the basis of the introduction of the stiffness matrix of tensegrity structures, the eigenvalue analysis is carried out to study the influence of the prestress level on the stiffness of tensegrity structures. The triangular prismatic tensegrity structure, the star-shaped tensegrity structure and the star-shaped tensegrity structure with a central strut are selected as the numerical examples. The analytical results show that some eigenvalues increase linearly with the prestress level, whereas other eigenvalues firstly increase and then decrease or firstly decrease and then increase with the increase of the prestress level. This is because the stiffness matrix of the tensegrity structures is mainly composed of the material stiffness matrix and geometric stiffness matrix. As the contribution of these two parts of stiffness to eigenvalue models is different, the trends of eigenvalue variations are different with the increase of the prestressed level.
Persistent Identifierhttp://hdl.handle.net/10722/243051
ISSN
2019 Impact Factor: 2.04
2015 SCImago Journal Rankings: 0.654
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorCai, J-
dc.contributor.authorZhou, Y-
dc.contributor.authorFeng, J-
dc.contributor.authorDeng, X-
dc.contributor.authorTu, Y-
dc.date.accessioned2017-08-25T02:49:15Z-
dc.date.available2017-08-25T02:49:15Z-
dc.date.issued2017-
dc.identifier.citationMathematics and Mechanics of Solids, 2017, v. 22 n. 9, p. 1866-1875-
dc.identifier.issn1081-2865-
dc.identifier.urihttp://hdl.handle.net/10722/243051-
dc.description.abstractOn the basis of the introduction of the stiffness matrix of tensegrity structures, the eigenvalue analysis is carried out to study the influence of the prestress level on the stiffness of tensegrity structures. The triangular prismatic tensegrity structure, the star-shaped tensegrity structure and the star-shaped tensegrity structure with a central strut are selected as the numerical examples. The analytical results show that some eigenvalues increase linearly with the prestress level, whereas other eigenvalues firstly increase and then decrease or firstly decrease and then increase with the increase of the prestress level. This is because the stiffness matrix of the tensegrity structures is mainly composed of the material stiffness matrix and geometric stiffness matrix. As the contribution of these two parts of stiffness to eigenvalue models is different, the trends of eigenvalue variations are different with the increase of the prestressed level.-
dc.languageeng-
dc.publisherSage Publications Ltd. The Journal's web site is located at http://mms.sagepub.com-
dc.relation.ispartofMathematics and Mechanics of Solids-
dc.rightsMathematics and Mechanics of Solids. Copyright © Sage Publications Ltd.-
dc.subjectEigenvalue analysis-
dc.subjectPrestress-
dc.subjectStiffness-
dc.subjectTensegrity-
dc.titleEffects of the prestress levels on the stiffness of prismatic and star-shaped tensegrity structures-
dc.typeArticle-
dc.identifier.emailDeng, X: xwdeng@hku.hk-
dc.identifier.authorityDeng, X=rp02223-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1177/1081286516649018-
dc.identifier.scopuseid_2-s2.0-85028730110-
dc.identifier.hkuros274983-
dc.identifier.hkuros295210-
dc.identifier.volume22-
dc.identifier.issue9-
dc.identifier.spage1866-
dc.identifier.epage1875-
dc.identifier.isiWOS:000408852100006-
dc.publisher.placeUnited Kingdom-
dc.identifier.issnl1081-2865-

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