Exploració per autor "Huerta, Antonio"Més informacióMés informació

Ara es mostren els items 41-60 de 220

    • An improved algorithm to smooth graded quadrilateral meshes preserving the prescribed element size 

      Sarrate Ramos, Josep; Huerta, Antonio (2001-02)
      Article
      Accés obert
      In the generation of quadrilateral unstructured meshes, special attention is focussed to the shape of the elements. This is because it is well known that the distortion of the elements and the accuracy of the analysis are ...

    • An upwind cell centred Total Lagrangian finite volume algorithm for nearly incompressible explicit fast solid dynamic applications 

      Haider, Jibran; Lee, Chun Hean; Gil, Antonio; Huerta, Antonio; Bonet Carbonell, Javier (2018-10-01)
      Article
      Accés obert
      The paper presents a new computational framework for the numerical simulation of fast large strain solid dynamics, with particular emphasis on the treatment of near incompressibility. A complete set of first order hyperbolic ...

    • Analysis of the vane test considering size and time effects 

      Pérez Foguet, Agustí; Ledesma Villalba, Alberto; Huerta, Antonio (1997-09)
      Report de recerca
      Accés obert

    • Analysis of the vane test considering size and time effects 

      Pérez Foguet, Agustí; Ledesma Villalba, Alberto; Huerta, Antonio (1999-04)
      Article
      Accés obert
      An analysis of the vane test using an Arbitrary Lagrangian-Eulerian formulation within a finite element framework is presented. This is suitable for soft clays for which the test is commonly used to measure in situ undrained ...

    • Application of an ALE formulation for density-dependent hyperelastic-plastic models to the simulation of powder compaction processes 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2001)
      Text en actes de congrés
      Accés obert
      Different quasi-static cold compaction processes of powders have been simulated with a density-dependent plastic model. The model is formulated within the framework of isotropic finite strain multiplicative hyperelastoplasticity. ...

    • Applications of numerical differentiation to computational plasticity 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (1998-07)
      Report de recerca
      Accés obert

    • Arbitrary Lagrangian-Eulerian (ALE) formulation for hyperelastoplasticity 

      Rodríguez Ferran, Antonio; Pérez Foguet, Agustí; Huerta, Antonio (Wiley and Sons, 2002-02)
      Article
      Accés obert
      The arbitrary Lagrangian-Eulerian (ALE) description in non-linear solid mechanics is nowadays standard for hypoelastic-plastic models. An extension to hyperelastic-plastic models is presented here. A fractional-step method ...

    • Arbitrary lagrangian-eulerian finite element analysis of strain localization in transient problems 

      Pijaudier-Cabot, Gilles; Bode, L; Huerta, Antonio (John Wiley & Sons, 1995-10)
      Article
      Accés obert
      Non-local models guaranty that finite element computations on strain softening materials remain sound up to failure from a theoretical and computational viewpoint. The non-locality prevents strain localization with zero ...

    • Arbitrary Lagrangian-Eulerian formulation for fluid-rigid body interaction 

      Sarrate Ramos, Josep; Huerta, Antonio; Donea, J (2001-03)
      Article
      Accés obert
      A new formulation for two-dimensional fluid–rigid body interaction problems is developed. In particular, vortex-induced oscillations of a rigid body in viscous incompressible flow are studied. The incompressible Navier–Stokes ...

    • Arbitrary Lagrangian-Eulerian methods 

      Donea, J; Huerta, Antonio; Ponthot, J -Ph; Rodríguez Ferran, Antonio (John Wiley & Sons, 2004-10)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Aim of the present chapter is to provide an in-depth survey of arbitrary Lagrangian-Eulerian (ALE) methods, including both conceptual aspects of the mixed kinematical description and numerical implementation details. ...

    • Arbitrary Lagrangian-Eulerian simulation of powder compaction processes 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2001-12)
      Article
      Accés obert
      In this paper, a new strategy for the simulation of quasi-static cold compaction processes of powders is presented. A material model formulated within the framework of isotropic finite strain multiplicative hyperelastoplasticity ...

    • Arbitrary Lagrangian–Eulerian (ALE) formulation for hyperelastoplasticity 

      Rodríguez Ferran, Antonio; Pérez Foguet, Agustí; Huerta, Antonio (John Wiley & Sons, 2002)
      Article
      Accés obert
      The arbitrary Lagrangian–Eulerian (ALE) description in non-linear solid mechanics is nowadays stan- dard for hypoelastic–plastic models. An extension to hyperelastic–plastic models is presented here. A fractional-step ...

    • Arbitrary Lagrangian–Eulerian methods 

      Donéa, Jean M.; Huerta, Antonio; Ponthot, Jean Philippe; Rodríguez Ferran, Antonio (Wiley, 2017-12-15)
      Capítol de llibre
      Accés restringit per política de l'editorial
      This chapter presents an overview of some computational methods for the analysis of problems in ship hydrodynamics. Attention is focused on the description of stabilized finite element formulations derived via a finite ...

    • Are high-order and hybridizable discontinuous galerkin methods competitive 

      Huerta, Antonio; Roca Navarro, Francisco Javier; Angeloski, Aleksander; Peraire Guitart, Jaume (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The talk covered several issues motivated by a practical engineering wave propagation problem: real-time evaluation of wave agitation in harbors. The first part, presented the application of a reduced order model in the ...

    • Avances en la simulación numérica de la propagación de oleaje en zonas costeras 

      Modesto Galende, David; Giorgiani, Giorgio; Huerta, Antonio (Universitat Politècnica de Catalunya. Escola Tècnica Superior d'Enginyers de Camins Canals i Ports de Barcelona, 2011-11-16)
      Comunicació de congrés
      Accés obert
      Se presentan los últimos avances en la simulación numérica de la propagación de oleaje en zonas costeras. Las nuevas herramientas numéricas permiten obtener de manera precisa y eficiente las características de la ola en ...

    • Benchmarking the face-centred finite volume method for compressible laminar flows 

      Vila Pérez, Jordi; Giacomini, Matteo; Huerta, Antonio (2023-03-08)
      Article
      Accés obert

    • Benchmarks for the validation of a non local model 

      Jason, L; Ghavamian, S; Pijaudier-Cabot, Gilles; Huerta, Antonio (2004-10)
      Article
      Accés restringit per política de l'editorial
      The aim of this contribution is to present a series of organised benchmarks that helps at validating the robustness of the FE implementation of a constitutive relation, its pertinence with respect to experiments, and ...

    • Bounds and adaptivity for 3D limit analysis 

      Muñoz, José J.; Bonet Carbonell, Javier; Huerta, Antonio; Peraire Guitart, Jaume (2009-06-08T10:28:14Z)
      Text en actes de congrés
      Accés obert
      In the present paper we compute upper and lower bounds for limit analysis in two and three dimensions. From the solution of the discretised upper and lower bound problems, and from the optimum displacement rate and stress ...

    • Bounds for quantities of interest and adaptivity in the element-free Galerkin method 

      Vidal Seguí, Yolanda; Parés Mariné, Núria; Díez, Pedro; Huerta, Antonio (Wiley and Sons, 2008-07)
      Article
      Accés obert
      A novel approach to implicit residual-type error estimation in mesh-free methods and an adaptive refinement strategy are presented. This allows computing upper and lower bounds of the error in energy norm with the ultimate ...

    • Bounds of functional outputs for parabolic problems. Part I: Exact bounds of the discontinuous Galerkin time discretization 

      Parés Mariné, Núria; Díez, Pedro; Huerta, Antonio (2008-03)
      Article
      Accés obert
      Classical implicit residual type error estimators require using an underlying spatial finer mesh to compute bounds for some quantity of interest. Consequently, the bounds obtained are only guaranteed asymptotically that ...