Exploració per autor "Arias Vicente, Irene"
Ara es mostren els items 21-40 de 46
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Geometrically polarized architected dielectrics with apparent piezoelectricity
Mocci, Alice; Barceló Mercader, Jordi; Codony Gisbert, David; Arias Vicente, Irene (2021-12)
Article
Accés obertThrough the suitable geometry of a repeating unit, a metamaterial can exhibit a property not present in the base material. Here, we propose a class of low area-fraction, bending-dominated metamaterials that exhibit apparent ... -
iMatCampus: Vodcasting, les matemàtiques cap a Europa
Parés Mariné, Núria; Pozo Montero, Francesc; Vidal Seguí, Yolanda; Arias Vicente, Irene (2009-02-12T13:33:46Z)
Comunicació de congrés / Text en actes de congrés
Accés obertLa finalitat del projecte ha estat la generació i distribució d’un material docent accessible via web en format de “MapleCast” per tal de motivar l’estudiant i facilitar l’assimilació dels conceptes curriculars, millorant ... -
Mathematical and computational modeling of flexoelectricity
Codony Gisbert, David; Mocci, Alice; Barceló Mercader, Jordi; Arias Vicente, Irene (2021-12-21)
Article
Accés obertWe first revisit the mathematical modeling of the flexoelectric effect in the context of continuum mechanics at infinitesimal deformations. We establish and clarify the relation between the different formulations, point ... -
Modeling and simulation of conducting crack propagation in ferroelectric single crystals under purely electrical loading
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (CIMNE, 2013)
Text en actes de congrés
Accés obertWe present a phase-field model of fracture in ferroelectric single crystals for the simulation of conducting crack propagation under purely electrical loading. This is done by introducing the electrical enthalpy of a diffuse ... -
Modeling and simulation of conducting crack propagation in ferroelectric single crystals under purely electrical loading
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2013)
Text en actes de congrés
Accés obertWe present a phase-field model of fracture in ferroelectric single crystals for the simulation of conducting crack propagation under purely electrical loading. This is done by introducing the electrical enthalpy of a diffuse ... -
Modeling flexoelectricity in soft dielectrics at finite deformation
Codony Gisbert, David; Gupta, Prakhar; Marco Alacid, Onofre; Arias Vicente, Irene (2021-01)
Article
Accés obertThis paper develops the equilibrium equations describing the flexoelectric effect in soft dielectrics under large deformations. Previous works have developed related theories using a flexoelectric coupling tensor of mixed ... -
Numerical estimation of the bearing capacity of resistance spot welds in martensitic boron steels using a J-integral fracture criterion
Dorribo Dorribo, Daniel; Greve, Lars; Díez, Pedro; Arias Vicente, Irene; Larráyoz Izcara, Xabier (2018-08-01)
Article
Accés obertPredicting the bearing capacity of resistance spot welds (RSW) during vehicle crash tests has become a crucial task for the automotive industry, since the recent introduction of advanced high strength steels (AHSS) such ... -
Numerical modelling and experimental validation of dynamic fracture events along weak planes
Arias Vicente, Irene; Knap, Jaroslaw; Chalivendra, V. B.; Hong, Soonsung; Ortiz, Michael; Rosakis, Ares (2007-08)
Article
Accés obertThe conceptual simplicity and the ability of cohesive finite element models to describe complex fracture phenomena makes them often the approach of choice to study dynamic fracture. These models have proven to reproduce ... -
Numerical simulation of intergranular and transgranular crack propagation in ferroelectric polycrystals
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2011)
Text en actes de congrés
Accés restringit per política de l'editorialWe present a phase-field model to simulate intergranular and transgranular crack propagation in ferroelectric polycrystals. The proposed model couples three phase-fields describing (1) the polycrystalline structure, (2) ... -
Numerical simulations of vickers indentation crack growth in ferroelectric single crystals: effect of microstructure on the fracture process
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (CIMNE, 2011)
Text en actes de congrés
Accés obertFerroelectric materials exhibit strong electro-mechanical coupling which make them ideal materials for use in electro-mechanical devices such as sensors, actuators and transducers. To assure optimum reliability of these ... -
Phase-field modeling and simulation of fracture in brittle materials with strongly anisotropic surface energy
Li, Bin; Peco, Christian; Millán, Daniel; Arias Vicente, Irene; Arroyo Balaguer, Marino (John Wiley & Sons, 2015-04-20)
Article
Accés obertCrack propagation in brittle materials with anisotropic surface energy is important in applications involving single crystals, extruded polymers, or geological and organic materials. Furthermore, when this anisotropy is ... -
Phase-field modeling of crack propagation in piezoelectric and ferroelectric materials with different electromechanical crack conditions
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2012-12)
Article
Accés obertWe present a family of phase-field models for fracture in piezoelectric and ferroelectric materials. These models couple a variational formulation of brittle fracture with, respectively, (1) the linear theory of piezoelectricity, ... -
Phase-field modeling of fracture in ferroelectric materials
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2015-04-01)
Article
Accés obertThis paper presents a family of phase-field models for the coupled simulation of the microstructure formation and evolution, and the nucleation and propagation of cracks in single and polycrystalline ferroelectric materials. ... -
Phase-field modeling of the coupled microstructure and fracture evolution in ferroelectric single crystals
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2011-07)
Article
Accés restringit per política de l'editorialWe propose a phase-field model for the coupled simulation of microstructure formation and evolution, and the nucleation and propagation of cracks in single-crystal ferroelectric materials. The model naturally couples two ... -
Phase-field simulation of anisotropic crack propagation in ferroelectric single crystals: effect of microstructure on the fracture process
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2011)
Article
Accés obertCrack propagation during the indentation test of a ferroelectric single crystal is simulated using a phase- eld model. This model is based on variational formulations of brittle crack propagation and domain evolution in ... -
Rayleigh wave correction for the BEM analysis of two-dimensional elastodynamic problems in a half-space
Arias Vicente, Irene; Achenbach, J. D. (Wiley and Sons, 2004-08)
Article
Accés obertA simple, elegant approach is proposed to correct the error introduced by the truncation of the infinite boundary in the BEM modelling of two-dimensional wave propagation problems in elastic half-spaces. The proposed method ... -
Revisiting pyramid compression to quantify flexoelectricity: a three-dimensional simulation study
Abdollahi Hosnijeh, Amir; Millán, Daniel; Peco, Christian; Arroyo Balaguer, Marino; Arias Vicente, Irene (2015-03-03)
Article
Accés obertFlexoelectricity is a universal property of all dielectrics by which they generate a voltage in response to an inhomogeneous deformation. One of the controversial issues in this field concerns the magnitude of flexoelectric ... -
Rippling and a phase-transforming mesoscopic model for multiwalled carbon nanotubes
Arroyo Balaguer, Marino; Arias Vicente, Irene (2008-04)
Article
Accés obertWe propose to model thick multiwalled carbon nanotubes as beams with non-convex curvature energy. Such models develop stressed phase mixtures composed of smoothly bent sections and rippled sections. This model is motivated ... -
Size dependent nonlinear elastic scaling of multiwalled carbon nanotubes
Arias Vicente, Irene; Arroyo Balaguer, Marino (2008-02)
Article
Accés obertWe characterize through large-scale simulations the nonlinear elastic response of multi-walled carbon nanotubes (MWNCNTs) in torsion and bending. We identify a unified law consisting of two distinct power-law regimes in ... -
Switchable tribology of ferroelectrics
Cho, Seongwoo; Gaponenko, Iaroslav; Cordero Edwards, Kumara; Barceló Mercader, Jordi; Arias Vicente, Irene; Kim, Daeho; Lichtensteiger, Céline; Yeom, Jiwon; Musy, Loïc; Kim, Hyunji; Han, Seung Min; Catalan, Gustau; Paruch, Patrycja; Hong, Seungbum (2024-01-09)
Article
Accés obertSwitchable tribological properties of ferroelectrics offer an alternative route to visualize and control ferroelectric domains. Here, we observe the switchable friction and wear behavior of ferroelectrics using a nanoscale ...