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VGU RESEARCH REPOSITORY


Please use this identifier to cite or link to this item: https://epub.vgu.edu.vn/handle/dlibvgu/52
DC FieldValueLanguage
dc.contributor.authorH.Nguyen-Xuanen_US
dc.contributor.authorHien V.Doen_US
dc.contributor.authorKhanh N.Chauen_US
dc.date.accessioned2020-03-12T16:53:54Z-
dc.date.available2020-03-12T16:53:54Z-
dc.date.issued2018-
dc.identifier.urihttp://epub.vgu.edu.vn/handle/dlibvgu/52-
dc.description.abstractWe propose a simple and efficient scheme based on adaptive finite elements over conforming quadtree meshes for collapse plastic analysis of structures. Our main interest in kinematic limit analysis is concerned with both purely cohesive-frictional and cohesive materials. It is shown that the most computational efficiency for collapse plastic problems is to employ an adaptive mesh strategy on quadtree meshes. However, a major difficulty in finite element formulations is the appearance of hanging nodes during adaptive process. This can be resolved by a definition of conforming quadtree meshes in the context of polygonal elements. Piecewise-linear shape functions enhanced with generalized bubble functions in barycentric coordinates are used to approximate the velocity field. Numerical results prove the reliability and benefit of the present approach.en_US
dc.language.isoenen_US
dc.publisherElsevier, Science Directen_US
dc.relation.ispartofseriesComputer Methods in Applied Mechanics and Engineering;Vol. 341 (1)-
dc.subjectPlasticityen_US
dc.subjectIncompressibilityen_US
dc.subjectLimit analysisen_US
dc.subjectAdaptiveen_US
dc.subjectQuadtree meshesen_US
dc.titleAn adaptive strategy based on conforming quadtree meshes for kinematic limit analysisen_US
dc.typeArticleen_US
dc.relation.journaltypeISI (SCI) Q1en_US
item.grantfulltextnone-
item.fulltextNo Fulltext-
item.languageiso639-1other-
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