Browsing by Author "Tamayo Mas, Elena"
Now showing items 1-15 of 15
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A continuous-discontinous model for softening and cracking based on non-local displacements
(2008)
Conference report
Open AccessA continuous-discontinuous model to simulate numerically an entire failure process is presented. Crack inception and its propagation is modelled by means of a gradient non-local model based on non-local displacements. To ... -
A continuous-discontinuous model for crack branching
(John Wiley & sons, 2019-10-05)
Article
Open AccessA new continuous-discontinuous model for fracture that accounts for crack branching in a natural manner is presented. It combines a gradient-enhanced damage model based on nonlocal displacements to describe diffuse cracks ... -
A finite element strategy coupling a gradient-enhanced damage model and cohesive cracks for quasi-brittle materials
(2013)
Conference report
Restricted access - publisher's policyA new combined strategy to describe failure of quasi-brittle materials is presented thus allowing the complete description of the process, from initiation of damage to crack propagation. For the early stages of the process, ... -
A finite element strategy coupling a gradient-enhanced damage model and cohesive cracks for quasi-brittle materials
(CIMNE, 2013)
Conference report
Open AccessA new combined strategy to describe failure of quasi-brittle materials is presented thus allowing the complete description of the process, from initiation of damage to crack propagation. For the early stages of the process, ... -
A general framework for softening regularisation based on gradient elasticity
(2011-05-01)
Article
Open AccessA general non-local approach to regularise strain-softening continua is presented. The key idea is to introduce the gradient-type enrichment at the level of displacements (rather than some internal variable), so the model ... -
A geometric bridge between regularised damage and energetically equivalent cracks
(2012)
Conference report
Open AccessIn order to achieve a better characterisation of a whole failure process, models which combine damage and fracture mechanics have recently been proposed. Here, a new combined methodology is presented: in order to describe ... -
A medial-axis-based model for propagating cracks in a regularised bulk
(John Wiley & Sons, 2015-02-17)
Article
Open AccessA new continuous-discontinuous strategy for the simulation of failure is presented. The continuous bulk is regularised by means of a gradient-enhanced damage model, where non-locality is introduced at the level of ... -
A new continuous-discontinuous damage model: cohesive cracks via an accurate energy-transfer process
(2014-02)
Article
Open AccessA 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 ... -
Advective gas flow in bentonite: development and comparison of enhanced multi-phase numerical approaches
(Elsevier, 2024-03)
Article
Open AccessUnderstanding the impact of repository gas, generated from degradation of waste and its interaction with the host rock, is essential when assessing the performance and safety function of long-term disposal systems for ... -
Condiciones de contorno en modelos de gradiente con desplazamientos suavizados
(2012)
Article
Open AccessLos modelos de gradiente basados en desplazamientos suavizados son una alternativa a los modelos estándares para simular numéricamente el proceso de fallo de materiales. En esta formulación alternativa coexisten los ... -
Condiciones de contorno en modelos de gradiente con desplazamientos suavizados
(2012)
Article
Open AccessLos modelos de gradiente basados en desplazamientos suavizados son una alternativa a los modelos est´andares para simular num´ericamente el proceso de fallo de materiales. En esta formulaci´on alternativa coexisten los ... -
Continuous-discontinuous modelling for quasi-brittle failure: propagating cracks in a regularised bulk
(Universitat Politècnica de Catalunya, 2013-12-05)
Doctoral thesis
Open AccessA new strategy to describe failure of quasi-brittle materials -concrete, for example- is presented. Traditionally, numerical simulation of quasi-brittle failure has been tackled from two different points of view: damage ... -
Continuous-discontinuous models of failure based on non-local displacements
(Universitat Politècnica de Catalunya, 2009-01)
Master thesis
Open AccessIn this work, a new continuous-discontinuous approach is presented. This new technique is based on a non-local model (such as continuum damage or plasticity) based on non- local displacements. On the one hand, this work ... -
Discontinuous failure in a gradient-enhanced continuous damage model: a regularised displacement framework
(CIMNE, 2011)
Conference report
Open AccessTo simulate numerically a failure process, a new kind of model which combines the two traditional approaches (damage and fracture mechanics) has been proposed in the literature. The basic idea of these hybrid strategies ... -
Modelling advective gas flow in compact bentonite: lessons learnt from different numerical approaches
(Elsevier, 2021-03)
Article
Open AccessIn a repository for radioactive waste hosted in a clay formation, hydrogen and other gases may be generated due to the corrosion of metallic materials under anoxic conditions, the radioactive decay of waste and the ...
