Browsing by Author "Cervera Ruiz, Miguel"
Now showing items 21-40 of 146
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A rate-dependent isotropic damage model for the seismic analysis of concrete dams
(Wiley, 1996-09)
Article
Open AccessIn this paper a rate-dependent isotropic damage model developed for the numerical analysis of concrete dams subjected to seismic excitation is presented. The model is shown to incorporate two features essential for seismic ... -
A scalable thermo-mechanical framework for the part-scale analysis in metal additive manufacturing processes
(2023)
Conference lecture
Open AccessThis work introduces an Additive Manufacturing (AM) Finite Element (FE) framework for the large-scale thermo-mechanical modeling of metal parts. Due to the complexity of the physical phe- nomenon and to meet the demands ... -
A strain-based plastic viscous-damage model for massive concrete structures
(1998-05)
Article
Open AccessWithin the framework of continuum damage mechanics, a new constitutive damage model for massive concrete is presented, mainly intended for the seismic analysis of gravity and arch dams. Consistent with thermodynamic ... -
A strategy for the numerical simulation of metal deposition and multi-pass welding processes
(Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2009)
Conference report
Restricted access - publisher's policyIn this work a numerical model is developed to accurately predict temperature evolution and distortions associated to the successive welding layers deposited during the multi-pass welding and metal deposition processes (MD). -
A thermodynamically consistent plastic-damage framework for localized failure in quasi-brittle solids: material model and strain localization analysis
(2016-06)
Article
Open AccessAiming for the modeling of localized failure in quasi-brittle solids, this paper addresses a thermodynamically consistent plastic-damage framework and the corresponding strain localization analysis. A unified elastoplastic ... -
Accurate and locking-free analysis of beams, plates and shells using solid elements
(Springer, 2021-03)
Article
Open AccessThis paper investigates the capacity of solid finite elements with independent interpolations for displacements and strains to address shear, membrane and volumetric locking in the analysis of beam, plate and shell structures. ... -
Accurate thermal-induced structural failure analysis under incompressible conditions
(Elsevier, 2022-06)
Article
Open AccessIn this work, the performance of the mixed 3-field displacement/deviatoric-strain/pressure (u/e/p) finite element is examined for nonlinear thermo-mechanical structural applications under incompressible behavior. The ... -
Advances in the numerical simulation of 3D FSW processes
(2011)
Conference report
Restricted access - publisher's policyThis work deals with the computational modeling and numerical simulation of 3D Friction Stir Welding (FSW) processes. Eulerian and ALE formulations have been used to solve the quasi-static thermal transient governing ... -
An accurate, adaptive and scalable parallel finite element framework for the part-scale thermo-mechanical analysis in metal additive manufacturing processes
(Springer, 2023-10-06)
Article
Open AccessThis work introduces a distributed memory machine and octree-based Finite Element (FE) framework for modeling metal Additive Manufacturing (AM) processes. In this sense, an Adaptive Mesh Refinement (AMR) is used to accurately ... -
An adaptive Finite Element strategy for the numerical simulation of additive manufacturing processes
(Elsevier, 2021-01)
Article
Open AccessIn this work an adaptive Finite Element strategy to deal with the numerical simulation of Additive Manufacturing (AM) processes is presented. The Selective Laser Melting (SLM) is chosen as the reference technology because ... -
An energy-equivalent d+/d- damage model with enhanced microcrack closure-reopening capabilities for cohesive-frictional materials
(2017-04)
Article
Open AccessIn this paper, an energy-equivalent orthotropic d+/d- damage model for cohesive-frictional materials is formulated. Two essential mechanical features are addressed, the damage-induced anisotropy and the microcrack ... -
An enhanced finite element macro-model for the realistic simulation of localized cracks in masonry structures: a large-scale application
(Taylor & Francis, 2018-03)
Article
Open AccessFinite element macro-modelling approaches are widely used for the analysis of large-scale masonry structures. Despite their efficiency, they still face two important challenges: the realistic representation of damage and ... -
An orthotropic damage model for the analysis of masonry structures
(2013)
Article
Restricted access - publisher's policyThis paper presents a numerical model for nonlinear analysis of masonry structural elements based on Continuum Damage Mechanics. The material is described at the macro-level, i.e. it is modeled as a homogeneous orthotropic ... -
Analysis of the effect of provisional ties on the construction and current deformation of Mallorca cathedral
(2016-04)
Article
Restricted access - publisher's policyThis paper presents the analysis of the structure of Mallorca Cathedral taking into account the influence on structural behaviour of auxiliary iron ties used during the construction process. Recent studies (Roca et al., ... -
Análisis de procesos de estereolitografía por el método de los elementos finitos
(1995)
Article
Open AccessLa estereolitografía es uno de las técnicas utilizadas en los procesos de fabricación rápida de prototipos, que tiene un gran interés industrial debido a su ahorro en tiempo respecto a los procesos tradicionales. Una de ... -
Análisis dinámico en rotura de estructuras laminares y tridimensionales de hormigón armado
(1987)
Article
Open AccessEn este artículo se presenta un modelo computacional tridirnensional para el análisis dinámico en condiciones extremas de estructuras de hormigón armado. El modelo contempla la discretización de la ecuación dinámica de ... -
Appraisement of planar, bending and twisting cracks in 3D with isotropic and orthotropic damage models
(Springer, 2018-03)
Article
Open AccessThis 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 ... -
Architecture of a multi-crack model with full closing, reopening and sliding capabilities
(Springer, 2020-06)
Article
Open AccessThis paper discusses the finite element modeling of cracking of quasi-brittle materials under cyclic loading. A damage based crack model is proposed, which considers tensile and compressive damage, irreversible strains ... -
Bending, twisting, merging and branching cracks: a challenging set of problems
(2025-02)
Article
Restricted access - publisher's policyIn this work, the challenges of the computational evaluation of localized structural failure are discussed and a set of challenging problems for the numerical modeling of quasi-brittle structural failure is presented for ... -
Buildability modeling of 3D-printed concrete including printing deviation: a stochastic analysis
(2023-11)
Article
Restricted access - publisher's policyOwing to the formwork-free construction, 3D concrete printing shows great prospects in construction industry. However, this manner also results in non-verified geometric precision, which is prone to generate uncontrolled ...
