Exploració per autor "Arias Vicente, Irene"
Ara es mostren els items 31-46 de 46
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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 ... -
Thermoelastic generation of ultrasound by line-focused laser irradiation
Arias Vicente, Irene; Achenbach, J. D. (2003-12)
Article
Accés obertA two-dimensional theoretical model for the field generated in the thermoelastic regime by line-focused laser illumination of a homogeneous, isotropic, linearly elastic half-space is presented. The model accounts for the ... -
Three-dimensional simulation of crack propagation in ferroelectric polycrystals: Effect of combined toughening mechanisms
Abdollahi Hosnijeh, Amir; Arias Vicente, Irene (2014-02-15)
Article
Accés restringit per política de l'editorialWe simulate the fracture processes of ferroelectric polycrystals in three dimensions using a phase-field model. In this model, the grain boundaries, cracks and ferroelectric domain walls are represented in a diffuse way ... -
Topology optimization of flexoelectric metamaterials with apparent piezoelectricity
Greco, Francesco; Codony Gisbert, David; Mohammadi, Hossein; Fernández Méndez, Sonia; Arias Vicente, Irene (Elsevier, 2024-02-01)
Article
Accés obertThe flexoelectric effect, coupling polarization and strain gradient as well as strain and electric field gradients, is universal to dielectrics, but, as compared to piezoelectricity, it is more difficult to harness as it ... -
Transversal flexoelectric coefficient for nanostructures at finite deformations from first principles
Codony Gisbert, David; Arias Vicente, Irene; Suryanarayana, Phanish (American Physical Society (APS), 2021-03-08)
Article
Accés obertWe present a novel formulation for calculating the transversal flexoelectric coefficient of nanostructures at finite deformations from first principles. Specifically, we introduce the concept of radial polarization to make ... -
Use of reciprocity considerations for the two-dimensional BEM analysis of wave propagation in an elastic half-space with applications to acoustic emission
Arias Vicente, Irene; Achenbach, J. D. (2004-04)
Article
Accés obertA simple numerical treatment of the infinite boundary in the BEM analysis of two-dimensional wave propagation problems in elastic half-spaces is proposed to avoid the spurious reflections of non-decaying Rayleigh waves ... -
Weak enforcement of interface continuity and generalized periodicity in high-order electromechanical problems
Barceló Mercader, Jordi; Codony Gisbert, David; Fernández Méndez, Sonia; Arias Vicente, Irene (John Wiley & sons, 2022-02-28)
Article
Accés obertWe present a formulation for the weak enforcement of continuity conditions atmaterialinterfacesinhigh-orderproblemsbymeansofNitsche’smethod,whichis particularly suited for unfitted discretizations. This formulation is ...