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Numerical Modelling of the Compressional Behaviour of Warp-knitted Spacer Fabrics

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dc.contributor.author Vassiliadis, S en
dc.contributor.author Kallivretaki, A en
dc.contributor.author Psilla, N en
dc.contributor.author Provatidis, C en
dc.contributor.author Mecit, D en
dc.contributor.author Roye, A en
dc.date.accessioned 2014-03-01T01:58:56Z
dc.date.available 2014-03-01T01:58:56Z
dc.date.issued 2009 en
dc.identifier.issn 1230-3666 en
dc.identifier.uri http://hdl.handle.net/123456789/28784
dc.subject spacer fabric en
dc.subject compression resistance en
dc.subject Finite Element Method en
dc.subject.classification Materials Science, Textiles en
dc.title Numerical Modelling of the Compressional Behaviour of Warp-knitted Spacer Fabrics en
heal.type journalArticle en
heal.language English en
heal.publicationDate 2009 en
heal.abstract Warp-knitted spacer fabrics are successfully introduced in building constructions as a thin sheet component reinforcement for wall panels, exterior siding, roofing tiles, flooring tiles, pressure pipes etc. Their structural advantages support an armature system of highly oriented yarns and easy cement embodiment for the production of a composite. The compression resistance of spacer fabric is a major advantage with respect to the performance and composite manufacturing process. The optimum compression performance of spacer fabrics varies according to the requirements of the application in question. This investigation focused on the prediction of the compression performance by two-scale (micro and macro) mechanical analysis using the Finite Element Method (FEM). Micromechanical analysis of the unit cell of the spacer layer was conducted for the calculation of its compression resistance. The apparent mechanical properties of the outer layers were also evaluated by micromechanical modelling. The respective properties of the outer and spacer layers are introduced in the macromechanical model of the sample for analysis of the complex deformation during simulation of the compression test, thus realising the second stage of modelling. The computational method proposed is evaluated by comparison of the load - displacement curves resulting from the simulation and experimental data of compression. Moreover, the effect of the structural and physical parameters of the sample on the compression resistance was investigated. en
heal.publisher INST CHEMICAL FIBRES en
heal.journalName FIBRES & TEXTILES IN EASTERN EUROPE en
dc.identifier.isi ISI:000272607500012 en
dc.identifier.volume 17 en
dc.identifier.issue 5 en
dc.identifier.spage 56 en
dc.identifier.epage 61 en


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