Show simple item record

dc.contributor.authorTamayo Mas, Elena
dc.contributor.authorRodríguez Ferran, Antonio
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Matemàtica Aplicada III
dc.date.accessioned2015-06-30T11:50:18Z
dc.date.available2015-06-30T11:50:18Z
dc.date.created2014-02
dc.date.issued2014-02
dc.identifier.citationTamayo, E.; Rodriguez, A. A new continuous-discontinuous damage model: cohesive cracks via an accurate energy-transfer process. "Theoretical and applied fracture mechanics", Febrer 2014, vol. 69, p. 90-101.
dc.identifier.issn0167-8442
dc.identifier.urihttp://hdl.handle.net/2117/28470
dc.description.abstractA new continuous-discontinuous strategy to describe failure of quasi-brittle materials is presented. For the early stages of the failure process, a gradient-enhanced model based on smoothed displacements is employed. As soon as the damage parameter exceeds a critical value Dcrit<1, a cohesive crack is introduced. A new criterion to estimate the energy not yet dissipated by the bulk when switching models-from continuous to continuous-discontinuous-is proposed. Then, this energy is transferred to the cohesive crack thus ensuring that the continuous and the continuous-discontinuous strategies are energetically equivalent. Compared to other existing techniques, this new strategy accounts for the different unloading branches of damage models and thus, a more accurate estimation of the energy that has to be transferred is obtained. The performance of this technique is illustrated with one- and two-dimensional examples.
dc.format.extent12 p.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Física
dc.subjectÀrees temàtiques de la UPC::Matemàtiques i estadística
dc.subject.lcshFracture mechanics
dc.subject.otherCohesive cracks
dc.subject.otherContinuous-discontinuous strategy
dc.subject.otherEnergy balance
dc.subject.otherRegularisation
dc.subject.otherSmoothed displacements
dc.titleA new continuous-discontinuous damage model: cohesive cracks via an accurate energy-transfer process
dc.typeArticle
dc.subject.lemacMecànica de fractura
dc.contributor.groupUniversitat Politècnica de Catalunya. LACÀN - Mètodes Numèrics en Ciències Aplicades i Enginyeria
dc.identifier.doi10.1016/j.tafmec.2013.11.009
dc.description.peerreviewedPeer Reviewed
dc.subject.amsClassificació AMS::74 Mechanics of deformable solids::74R Fracture and damage
dc.relation.publisherversionhttp://www.sciencedirect.com/science/article/pii/S0167844213000785#
dc.rights.accessOpen Access
drac.iddocument13856220
dc.description.versionPostprint (author’s final draft)
upcommons.citation.authorTamayo, E.; Rodriguez, A.
upcommons.citation.publishedtrue
upcommons.citation.publicationNameTheoretical and applied fracture mechanics
upcommons.citation.volume69
upcommons.citation.startingPage90
upcommons.citation.endingPage101


Files in this item

Thumbnail

This item appears in the following Collection(s)

Show simple item record

Except where otherwise noted, content on this work is licensed under a Creative Commons license: Attribution-NonCommercial-NoDerivs 3.0 Spain