Exploració per autor "Huerta, Antonio"
Ara es mostren els items 64-83 de 220
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Comparison of high-order curved finite elements
Sevilla Cárdenas, Rubén; Fernández Méndez, Sonia; Huerta, Antonio (Wiley and Sons, 2011-02-02)
Article
Accés restringit per política de l'editorialSeveral finite element techniques used in domains with curved boundaries are discussed and compared, with particular emphasis in two issues: the exact boundary representation of the domain and the consistency of the ... -
Computable exact bounds for linear outputs from stabilized solutions of the advection-diffusion-reaction equation
Parés Mariné, Núria; Díez, Pedro; Huerta, Antonio (John Wiley & Sons, 2013-02-01)
Article
Accés obert -
Computation of bounds for anchor problems in limit analysis and decomposition techniques
Muñoz Romero, José; Rabiei, Syednima; Lyamin, Andrei; Huerta, Antonio (Springer, 2013-07-15)
Capítol de llibre
Accés obertNumerical techniques for the computation of strict bounds in limit analyses have been developed for more than thirty years. The efficiency of these techniques have been substantially improved in the last ten years, and ... -
Computational limit analysis for anchors and retaining walls
Muñoz Romero, José; Lyamin, Andrei V.; Huerta, Antonio (Universitat Politècnica de Catalunya. Escola Tècnica Superior de Camins Canals i Ports de Barcelona, 2011-11-15)
Comunicació de congrés
Accés obertThe computation of the bearing capacity of engineering structures commonly relays on results obtained for simple academic examples. Recent developments in computational limit analysis have allowed engineers to compute ... -
Computational vademecums for a fast and reliable simulation of RTM processes
Abisset Chavanne, Emmanuelle; Cueto Prendes, Elias; Huerta, Antonio; Chinesta, Francisco (Universidad de Sevilla. Grupo de Elasticidad y Resistencia de Materiales, 2014)
Text en actes de congrés
Accés obertProper Generalized Decomposition methods allow to obtain an efficient solution for multi-parametric problems without the need for simulating numerous problems to obtain a response surface. Instead, PGD obtains a priori a ... -
Computing bounds for linear functionals of exact weak solutions to Poisson's equation
Sauer-Budge, A. M.; Bonet Carbonell, Javier; Huerta, Antonio; Peraire Guitart, Jaume (2004-01)
Article
Accés obertWe present a method for Poisson’s equation that computes guaranteed upper and lower bounds for the values of piecewise-polynomial linear functional outputs of the exact weak solution of the infinite-dimensional continuum ... -
Consistent tangent matrices for density-dependent finite plasticity models
Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2001-09)
Article
Accés obertThe consistent tangent matrix for density-dependent plastic models within the theory of isotropic multiplicative hyperelastoplasticity is presented here. Plastic equations expressed as general functions of the Kirchhoff ... -
Consistent tangent matrices for substepping schemes
Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (1999-09)
Report de recerca
Accés obertA very simple and general expression of the consistent tangent matrix for substep- ping time-integration schemes is presented. If needed, the derivatives required for the computation of the consistent tangent moduli can ... -
Consistent tangent matrices for substepping schemes
Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2001-06)
Article
Accés obertA very simple and general expression of the consistent tangent matrix for substepping time-integration schemes is presented. If needed, the derivatives required for the computation of the consistent tangent moduli can be ... -
Continuous blending of SPH with finite elements
Fernández Méndez, Sonia; Bonet, J; Huerta, Antonio (2005-06)
Article
Accés obertThis paper proposes a methodology for the continuous blending of the finite element method and smooth particle hydrodynamics. The coupled approximation with finite elements and particles, and the discretization of the ... -
Convergence of finite elements enriched with meshless methods
Fernández Méndez, Sonia; Díez, Pedro; Huerta, Antonio (2003-11)
Article
Accés obertA combined hierarchical approximation based on finite elements and mesh-less methods is proposed and studied. Finite Elements are enriched adding hierarchical shape functions based on a particle distribution. Convergence ... -
Coupling finite elements and particles for adaptivity: an application to consistently stabilized convection–diffusion
Fernández Méndez, Sonia; Huerta, Antonio (2002)
Article
Accés obertA mixed approximation coupling finite elements and mesh-less methods is presented. It allows selective refinement of the finite element solution without remeshing cost. The distribution of particles can be arbitrary. ... -
Decomposition techniques in computational limit analysis
Muñoz Romero, José; Rabiei, Syednima; Huerta, Antonio (2013)
Comunicació de congrés
Accés obertNumerical techniques for the computation of strict bounds in limit analyses have been developed for more than thirty years. The efficiency of these techniques have been substantially improved in the last ten years, and ... -
Deim-based pgd for multi-parametric nonlinear model reduction
Aguado, Jose V.; Chinesta, Francisco; Leygue, Adrien; Cueto, Elías; Huerta, Antonio (CIMNE, 2013)
Text en actes de congrés
Accés obertA new technique for efficiently solving parametric nonlinear reduced order models in the Proper Generalized Decomposition (PGD) framework is presented here. This technique is based on the Discrete Empirical Interpolation ... -
Deim-based PGD for parametric nonlinear model order reduction
Aguado, José V.; Chinesta, Francisco; Leygue, Adrien; Cueto Prendes, Elias; Huerta, Antonio (Centre Internacional de Mètodes Numèrics en Enginyeria (CIMNE), 2013)
Text en actes de congrés
Accés obertThis book contains the Abstracts of the papers presented at ADMOS 2013, the sixth International Conference on Adaptive Modeling and Simulation, held in Lisbon from June 3 to 5, 2013. Numerical Modeling and Simulation ... -
Desenvolupament d’un simulador numèric del procés de compostatge i aplicació a l’optimització del compostatge de llots i mescles amb altres residuos orgànics
Sánchez, Antoni; Gea, Teresa; Baeza, Juan; Ruggieri, Luz; Puyuelo, Belén; Domínguez, Jorge; Pérez, Domingo; Cereijo, David; Mato, Salustiano; Solé-Mauri, Francina; Illa, Josep; Flotats Ripoll, Xavier; Prenafeta Boldú, Francesc Xavier; Vázquez, Felicitas; Magrí Aloy, Albert; Pérez Foguet, Agustí; Huerta, Antonio; Roca, Xavier; Oliver, Albert (Agència Catalana de l'Aigua, 2007)
Text en actes de congrés
Accés obertL’objectiu principal del present projecte és l’obtenció d’un simulador, basat en un model estructurat, que permeti optimitzar les condicions del procés de compostatge de llots de depuradora, així com predir-ne ... -
Dimensionless analysis of HSDM and application to simulation of breakthrough curves of highly adsorbent porous media
Pérez Foguet, Agustí; Casoni Rero, Eva; Huerta, Antonio (2013-05)
Article
Accés obertThe homogeneous surface diffusion model (HSDM) is widely used for adsorption modeling of aqueous solutions. The Biot number is usually used to characterize model behavior. However, some limitations of this characterization ... -
Discontinuous Galerkin methods for the Navier–Stokes equations using solenoidal approximations
Villardi de Montlaur, Adeline de; Fernández Méndez, Sonia; Peraire Guitart, Jaume; Huerta, Antonio (2010-10-20)
Article
Accés obertAn interior penalty method and a compact discontinuous Galerkin method are proposed and compared for the solution of the steady incompressible Navier–Stokes equations. Both compact formulations can be easily applied using ... -
Discontinuous Galerkin methods for the Stokes equations using divergence-free approximations
Villardi de Montlaur, Adeline de; Fernández Méndez, Sonia; Huerta, Antonio (2008-07)
Article
Accés obertA discontinuous Galerkin (DG) method with solenoidal approximation for the simulation of incompressible flow is proposed. It is applied to the solution of the Stokes equations. The interior penalty method is employed to ... -
Discretization influence on regularization by two localization limiters
Huerta, Antonio; Pijaudier-Cabot, Gilles (1994-06)
Article
Accés obertIn materials with a strain-softening characteristic behavior, classical continuum mechanics favors uncontrolled strain localization in numerical analyses. Several methods have been proposed to regularize the problem. Two ...