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dc.contributor.authorCandeias, M.
dc.contributor.authorMonteiro Azevedo, N.
dc.contributor.authorBraga Farinha, M. L.
dc.description.abstractDetailed particle models by taking into account the material grain structure explicitly consider the material randomness, including a size limiter for damage localization. A VGMC3D contact model is presented that considers the polyhedral particle shape in an approximate way. The VGCM3D flexible contact model is validated against known experimental data on a granite rock, namely triaxial tests and Brazilian tests.
dc.format.extent12 p.
dc.subject.lcshFinite element method
dc.subject.lcshComputational methods in mechanics
dc.subject.lcshParticle methods (Numerical analysis)
dc.subject.otherFracture, rock, particle shape, calibration.
dc.titleVGCM3D - a 3D rigid particle model for rock fracture following the voronoi tessellation of the grain structure: formulation and validation
dc.typeConference report
dc.subject.lemacElements finits, Mètode dels
dc.rights.accessOpen Access
local.citation.contributorPARTICLES V
local.citation.publicationNamePARTICLES V : proceedings of the V International Conference on Particle-Based Methods : fundamentals and applications

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