Show simple item record

dc.contributor.authorBarbat Vlad, Gabriel
dc.contributor.authorCervera Ruiz, Miguel
dc.contributor.authorChiumenti, Michele
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Civil i Ambiental
dc.identifier.citationBarbat, G. B., Cervera, M., Chiumenti, M. Appraisement of planar, bending and twisting cracks in 3D with isotropic and orthotropic damage models. "International journal of fracture", Març 2018, vol. 210, núm. 1-2, p. 45-79.
dc.descriptionThe final publication is available at Springer via
dc.description.abstractThis paper discusses the modeling of cracking in quasi-brittle materials using isotropic and orthotropic damage constitutive laws. A mixed strain/displacement finite element formulation is used, taking advantage of its enhanced precision and its enforced interelemental strain continuity. On the one hand, this formulation avoids the spurious mesh dependency of the computed solution associated to standard elements and does not require the use of tracking techniques. On the other hand, it greatly alleviates the spurious stress locking associated to the use of orthotropic models on standard finite elements. The performance of several isotropic and orthotropic damage constitutive laws is assessed through an extensive comparison with analytical solutions, numerical tests and experimental evidence reported in the literature. The behavior of the different damage models in terms of crack surface, collapse mechanism and force displacement curves is investigated performing 3D analyses in several conditions including Mode I, Mixed Mode and Mode III fracture. When performing the appraisement of planar, bending and twisting cracks, the enhanced accuracy of the mixed formulation allows for a distinct assessment of the several damage models considered. Aspects related to the behavior of damage models, such as the influence of Poisson’s ratio, the shape of the damage surface and the adoption of isotropic and orthotropic models are investigated and noteworthy conclusions are drawn.
dc.format.extent35 p.
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística::Anàlisi numèrica::Mètodes en elements finits
dc.subjectÀrees temàtiques de la UPC::Enginyeria civil::Materials i estructures
dc.subject.lcshBrittleness--Mathematical models
dc.subject.otherConstitutive law
dc.subject.otherMixed finite elements
dc.subject.otherStrain localization
dc.titleAppraisement of planar, bending and twisting cracks in 3D with isotropic and orthotropic damage models
dc.subject.lemacFragilitat -- Models matemàtics
dc.contributor.groupUniversitat Politècnica de Catalunya. RMEE - Grup de Resistència de Materials i Estructures en l'Enginyeria
dc.description.peerreviewedPeer Reviewed
dc.rights.accessOpen Access
dc.description.versionPostprint (author's final draft)
local.citation.authorBarbat, G. B.; Cervera, M.; Chiumenti, M.
local.citation.publicationNameInternational journal of fracture

Files in this item


This item appears in the following Collection(s)

Show simple item record

All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder