Exploració per autor "Huerta, Antonio"
Ara es mostren els items 205-220 de 220
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Tensor representation of non-linear models using cross approximations
Aguado, José Vicente; Borzacchiello, Domenico; Kollepara, Kiran Sagar; Chinesta Soria, Francisco; Huerta, Antonio (2019-10-01)
Article
Accés obertTensor representations allow compact storage and efficient manipulation of multi-dimensional data. Based on these, tensor methods build low-rank subspaces for the solution of multi-dimensional and multi-parametric models. ... -
The computation of bounds for linear-functional outputs of weak solutions to the two-dimensional elasticity equations
Parés Mariné, Núria; Bonet, J; Huerta, Antonio; Peraire Guitart, Jaume (2006-01)
Article
Accés obertWe present a method for the computation of upper and lower bounds for linear-functional outputs of the exact solutions to the two dimensional elasticity equations. The method can be regarded as a generalization of the well ... -
The efficient computation of bounds for functionals of finite element solutions in large strain elasticity
Bonet, J; Huerta, Antonio; Peraire Guitart, Jaume (2002-09)
Article
Accés obertWe present an implicit a posteriori finite element procedure to compute bounds for functional outputs of finite element solutions in large strain elasticity. The method proposed relies on the existence of a potential energy ... -
Time accurate consistently stabilized mesh-free methods for convection dominated problems
Huerta, Antonio; Fernández Méndez, Sonia (Wiley and Sons, 2003-01)
Article
Accés obertThe behaviour of high-order time stepping methods combined with mesh-free methods is studied for the transient convection-diffusion equation. Particle methods, such as the element-free Galerkin (EFG) method, allow to easily ... -
Time-accurate solution of stabilized convection-diffusion-reaction equations: II - accuracy analysis and examples
Huerta, Antonio; Roig, B; Donea, J (2002-08)
Article
Accés obertThe paper addresses the development of time-accurate methods for solving transient convection-diffusion -reaction problems using finite elements. The accuracy characteristics of the spatially stabilized implicit multi-stage ... -
Time-accurate solution of stabilized convection-difusion-reaction equations: I - time and space discretization
Huerta, Antonio; Donea, J (2002-08)
Article
Accés obertThe paper addresses the development of time-accurate methods for solving transient convection-diffusion-reaction problems using finite elements. Multi-stage time-stepping schemes of high accuracy are used. They are first ... -
Tutorial on Hybridizable Discontinuous Galerkin (HDG) for second-order elliptic problems
Sevilla Cárdenas, Rubén; Huerta, Antonio (Springuer International Publishing, 2016)
Capítol de llibre
Accés restringit per política de l'editorialThe HDG is a new class of discontinuous Galerkin (DG) methods that shares favorable properties with classical mixed methods such as the well known Raviart-Thomas methods. In particular, HDG provides optimal convergence of ... -
Tutorial on Hybridizable Discontinuous Galerkin (HDG) formulation for incompressible flow problems
Giacomini, Matteo; Sevilla Cárdenas, Rubén; Huerta, Antonio (Springer, 2020-02-09)
Capítol de llibre
Accés restringit per política de l'editorialA hybridizable discontinuous Galerkin (HDG) formulation of the linearized incompressible Navier-Stokes equations, known as Oseen equations, is presented. The Cauchy stress formulation is considered and the symmetry of the ... -
Two stress update algorithms for large strains: accuracy analysis and numerical implementation
Rodríguez Ferran, Antonio; Pegon, P; Huerta, Antonio (Wiley and Sons, 1997-09)
Article
Accés obertTwo algorithms for the stress update (i.e., time integration of the constitutive equation) in large-strain solid mechanics are compared from an analytical point of view. The order of the truncation error associated to the ... -
Un estimador de error residual para el método de los elementos finitos
Egozcue Rubí, Juan José; Díez, Pedro; Huerta, Antonio (1998)
Article
Accés obertLos estimadores de error residuales se basan en resolver de manera aproximada la ecuación que caracteriza al error. En este artículo se presenta un estimador de error basado en la resolución de problemas locales mediante ... -
Un método de captura de choques basado en las funciones de forma para Galerkin discontinuo de alto orden
Casoni Rero, Eva; Peraire Guitart, Jaume; Huerta, Antonio (2012)
Article
Accés obertEn este artículo se presenta un método de alto orden de Galerkin discontinuo para problemas de flujo com- presible, en los cuales es muy frecuente la aparición de choques. La estabilización se introduce mediante una nueva ... -
Updated Lagrangian formulation for corrected smooth particle hydrodynamics
Huerta, Antonio; Vidal Seguí, Yolanda; Bonet Carbonell, Javier (2006-12)
Article
Accés obertSmooth Particle Hydrodynamics (SPH) are, in general, more robust than finite elements for large distortion problems. Nevertheless, updating the reference configuration may be necessary in some problems involving extremely ... -
Upper and lower bounds in limit analysis: adaptive meshing strategies and discontinuous loading
Muñoz Romero, José; Bonet Carbonell, Javier; Huerta, Antonio; Peraire Guitart, Jaume (2008-08)
Article
Accés obert -
Vademecum-based GFEM (V-GFEM): optimal enrichment for transient problems
Canales, Diego; Leygue, Adrien; Chinesta Soria, Francisco; González Ibáñez, David; Cueto Prendes, Elias; Feulvarch, Eric; Bergheau, Jean-Michel; Huerta, Antonio (2016-11)
Article
Accés obertThis paper proposes a generalized finite element method based on the use of parametric solutions as enrichment functions. These parametric solutions are precomputed off-line and stored in memory in the form of a computational ... -
Viscous Flow Structure Interaction
Huerta, Antonio; Liu, W. K. (1988)
Article
Accés obertConsiderable research activities in vibration and seismic analysis for various fluid-structure systems have been carried out in the past two decades. Most of the approaches are formulated within the framework of finite ... -
Viscous flow with large free surface motion
Huerta, Antonio; Liu, W. K. (1988-08)
Article
Accés obertAn arbitrary Lagrangian-Eulerian (ALE) Petrov-Galerkin finite element technique is developed to study nonlinear viscous fluids under large free surface wave motion. A review of the kinematics and field equations from an ...