Please use this identifier to cite or link to this item: http://repositorio.lnec.pt:8080/jspui/handle/123456789/1016625
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dc.contributor.authorAzevedo, N.pt_BR
dc.contributor.authorBraga Farinha, M. L.pt_BR
dc.contributor.authorOliveira, S.pt_BR
dc.date.accessioned2023-10-19T14:46:44Zpt_BR
dc.date.accessioned2023-11-21T11:02:11Z-
dc.date.available2023-10-19T14:46:44Zpt_BR
dc.date.available2023-11-21T11:02:11Z-
dc.date.issued2023-10pt_BR
dc.identifier.urihttps://repositorio.lnec.pt/jspui/handle/123456789/1016625-
dc.description.abstractIn this work three constitutive contact models that include softening are adopted for particle model fracture studies in both rock and concrete. For a single local contact, the constitutive contact model performance is initially compared in tensile, pure shear and shear tests under constant axial. Additionally, compression, direct tensile, and confined triaxial tests of quasi-britlle material discretized with spherical particles are presented and the predicted macroscopic response is compared. For a single local contact, the three contact models predict a similar behaviour. As shown, it is possible to calibrate each contact model to reproduce complex macroscopic behaviour observed in rock and concrete, but each contact model requires different contact properties or particle generation procedures.pt_BR
dc.language.isoengpt_BR
dc.publisherInternational Centre for Numerical Methods in Engineeringpt_BR
dc.rightsrestrictedAccesspt_BR
dc.subjectParticle modellingpt_BR
dc.subjectDiscrete elementpt_BR
dc.subjectContact lawspt_BR
dc.subjectFracturept_BR
dc.subjectRockpt_BR
dc.subjectConcretept_BR
dc.titleComparative analysis of softening contact laws in particle models: application to rock and concretept_BR
dc.typeworkingPaperpt_BR
dc.identifier.localedicaoBarcelonapt_BR
dc.description.pages12p.pt_BR
dc.identifier.localMilãopt_BR
dc.description.sectorDBB/NMMRpt_BR
dc.identifier.conftitleVIII International Conference on Particle-Based Methodspt_BR
dc.contributor.peer-reviewedSIMpt_BR
dc.contributor.academicresearchersSIMpt_BR
dc.contributor.arquivoNAOpt_BR
Appears in Collections:DBB/NMMR - Comunicações a congressos e artigos de revista

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