Ara es mostren els items 140-159 de 220

    • Mathematical Modelling of Transport Equations in Fixed-Bed Absorbers 

      Pérez Foguet, Agustí; Huerta, Antonio (Technische Universiteit Eindhoven, 2004)
      Text en actes de congrés
      Accés obert
      This work presents a dimensionless analysis of mass transport equations in Øxed-bed absorbers. Focus is centered in isothermal and incompressible problems, with special attention to nonlinear adsorption and desorption ...
    • Mesh projection between parametric surfaces 

      Roca Navarro, Francisco Javier; Sarrate Ramos, Josep; Huerta, Antonio (2006-06)
      Article
      Accés obert
      This paper presents a new algorithm to map a given mesh over a source surface onto a target surface. This projection is determined by means of a least-squares approximation of a transformation defined between the loops of ...
    • Meshfree methods 

      Huerta, Antonio; Belytscko, T; Fernández Méndez, Sonia; Rabczuk, Timon (John Wiley & Sons, 2004-10)
      Capítol de llibre
      Accés restringit per política de l'editorial
      The aim of this chapter is to provide an in-depth presentation and survey of meshfree particle methods. Several particle approximations are reviewed; the SPH method, corrected gradient methods and the moving least squares ...
    • Meshfree methods 

      Huerta, Antonio; Belytschko, Ted; Fernández Méndez, Sonia; Rabczuk, Timon; Zhuang, Xiaoying; Arroyo Balaguer, Marino (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 ...
    • Métodos numéricos : introducción, aplicaciones y programación 

      Huerta, Antonio; Sarrate Ramos, Josep; Rodríguez Ferran, Antonio (Edicions UPC, 1998)
      Llibre
      Accés restringit a la comunitat UPC
      Mediante un enfoque bàsico y aplicado, esta obra aborda varias facetas del cálculo numérico: la presentación de los métodos, el desarrollo de los algoritmos, la programación y su aplicación a la resolución de problemas. ...
    • Métodos Runge-Kutta implícitos de alto orden para flujos incompresibles 

      Montlaur, A.; Fernández Méndez, Sonia; Huerta, Antonio (Universitat Politècnica de Catalunya. CIMNE, 2011)
      Article
      Accés obert
      Las ecuaciones de Navier-Stokes para flujo incompresible se interpretan como un sistema de Ecuaciones Diferenciales Algebraicas (EDA), es decir un sistema de EDOs correspondiendo a la ecuación de conservación del momento, ...
    • Model reduction methods 

      Chinesta, Francisco; Huerta, Antonio; Rozza, Gianluigi; Willcox, Karen (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 ...
    • Modeling microwave drying of soils 

      Pérez Foguet, Agustí; Huerta, Antonio (1998-07)
      Report de recerca
      Accés obert
    • Modeling the kinematics of multi-axial composite laminates as a stacking of 2D TIF plies 

      Ibañez, Ruben; Abisset-Chavanne, Emmanuelle; Chinesta, Francisco; Huerta, Antonio (American Institute of Physics (AIP), 2016)
      Text en actes de congrés
      Accés obert
      Thermoplastic composites are widely considered in structural parts. In this paper attention is paid to sheet forming of continuous fiber laminates. In the case of unidirectional prepregs, the ply constitutive equation is ...
    • Modeling, with a unified level-set representation, of the expansion of a hollow in the ground under different physical phenomena 

      Cottereau, Regis; Díez, Pedro; Huerta, Antonio (2010)
      Article
      Accés obert
      This paper builds on the flexibility of the level-set representation to model in a unified manner the expansion of a hollow in the ground under different physical phenomena. In particular, the dissolving action of a flow ...
    • Modelización matemática de procesos de transporte en carbón activo. Una aplicación práctica en automoción 

      Pérez Foguet, Agustí; Huerta, Antonio (Laboratório Nacional de Engenharia Civil, 2004)
      Text en actes de congrés
      Accés obert
      En este trabajo se plantean y analizan las ecuaciones de balance de mezclas de fluidos en medios de doble porosidad. Se presta especial atención a la modelización de los fenómenos de adsorción y desorción de hidrocarburos ...
    • Modelización matemática de procesos de transporte en medios de doble porosidad. Una aplicación práctica en automoción 

      Pérez Foguet, Agustí; Baena López, Vanessa; Huerta, Antonio (2004)
      Text en actes de congrés
      Accés obert
      En este trabajo se plantean y analizan las ecuaciones de transporte en medios continuos de doble porosidad, prestando especial atención a la modelización de los fenómenos de adsorción y desorción que típicamente tienen ...
    • Multiscale proper generalized decomposition based on the partition of unity 

      Ibáñez Pinillo, Rubén; Ammar, Amine; Cueto Prendes, Elias; Huerta, Antonio; Duval, Jean Louis; Chinesta, Francisco (John Wiley & sons, 2019-11-09)
      Article
      Accés obert
      Solutions of partial differential equations could exhibit a multiscale behavior. Standard discretization techniques are constraints to mesh up to the finest scale to predict accurately the response of the system. The ...
    • NEFEM for EULER equations 

      Sevilla Cárdenas, Rubén; Fernández Méndez, Sonia; Huerta, Antonio (2009-02-16T11:29:15Z)
      Text en actes de congrés
      Accés obert
      An improvement of the classical finite element method is proposed in [1], the NURBS-Enhanced Finite Element Method (NEFEM). It considers an exact representation of the geometry by means of the usual CAD description of the ...
    • New ALE applications in non-linear fast-transient solid dynamics 

      Huerta, Antonio; Casadei, F. (1994-08)
      Article
      Accés obert
      The arbitrary Lagrangian—Eulerian (ALE) formulation, which is already well established in the hydrodynamics and fluid-structure interaction fields, is extended to materials with memory, namely, non- linear path-dependent ...
    • Nonintrusive proper generalised decomposition for parametrised incompressible flow problems in OpenFOAM 

      Tsiolakis, Vasileios; Giacomini, Matteo; Sevilla Cárdenas, Rubén; Othmer, Carsten; Huerta, Antonio (2020-04)
      Article
      Accés obert
      The computational cost of parametric studies currently represents the major limitation to the application of simulation-based engineering techniques in a daily industrial environment. This work presents the first nonintrusive ...
    • Numerical analysis of nonlinear large-strain consolidation and filling 

      Huerta, Antonio; Rodríguez Ferran, Antonio (1992-07)
      Article
      Accés obert
      Finite strain consolidation and filling of soft sediments at high water level is a challenging problem because of its highly non-linear physical and mathematical aspects. Several numerical schemes designed for this problem ...
    • Numerical differentiation for local and global tangent operators in computational plasticity 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (1998-09)
      Report de recerca
      Accés obert
      In this paper, numerical differentiation is applied to integrate plastic constitutive laws and to compute the corresponding consistent tangent operators. The deriva- tivesoftheconstitutive equationsareapproximatedbymea ...
    • Numerical differentiation for local and global tangent operators in computational plasticity 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2000)
      Article
      Accés obert
      In this paper, numerical di¿erentiation is applied to integrate plastic constitutive laws and to compute the corresponding consistent tangent operators. The derivatives of the constitutive equations are approximated by ...
    • Numerical differentiation for local and global tangent operators in computational plasticity. 

      Pérez Foguet, Agustí; Rodríguez Ferran, Antonio; Huerta, Antonio (2000-08)
      Article
      Accés obert
      In this paper, numerical differentiation is applied to integrate plastic constitutive laws and to compute the corresponding consistent tangent operators. The derivatives of the constitutive equations are approximated by ...