Now showing items 13-24 of 125

  • Conserving algorithms for frictionless and full stick friction dynamic contact problems using the direct elimination method 

    Agelet de Saracibar Bosch, Carlos; Capua, Daniel di (John Wiley & sons, 2018-02)
    Article
    Open Access
    In this paper, conserving time-stepping algorithms for frictionless and full stick friction dynamic contact problems are presented. Time integration algorithms for frictionless and full stick friction dynamic contact ...
  • Accurate FIC-FEM formulation for the multidimensional steady-state advection–diffusion–absorption equation 

    Oñate Ibáñez de Navarra, Eugenio; Nadukandi, Prashanth; Miquel Canet, Juan (2017-12)
    Article
    Restricted access - publisher's policy
    In this paper we present an accurate stabilized FIC-FEM formulation for the multidimensional steady-state advection-diffusion-absorption equation.The stabilized formulation is based on the Galerkin FEM solution of the ...
  • Sistema de inferencia difuso para la evaluación multiamenaza del riesgo físico en zonas urbanas 

    Carreño Tibaduiza, Martha Liliana; Lantada Zarzosa, Maria de Las Nieves; Jaramillo, Nayive (Universitat Politècnica de Catalunya. CIMNE, 2018-01)
    Article
    Open Access
    Una zona urbana puede estar expuesta a diferentes amenazas naturales, para evaluar de forma conjunta el riesgo potencial ante éstas se ha desarrollado una metodología de evaluación cualitativa del riesgo físico multiamenaza ...
  • On the existence of representative volumes for softening quasi-brittle materials: a failure zone averaging scheme 

    Nguyen, Vinh Phu; Lloberas Valls, Oriol; Stroeven, Martijn; Sluys, Lambertus J. (2010-11)
    Article
    Open Access
    The concept of the representative volume element (RVE) for softening materials is revised in this contribution. It is demonstrated by means of numerical simulations that there exists a sample which is statistically ...
  • Homogenization-based multiscale crack modelling: from micro-diffusive damage to macro-cracks 

    Nguyen, Vinh Phu; Lloberas Valls, Oriol; Stroeven, Martijn; Sluys, Lambertus J. (2011-02)
    Article
    Open Access
    The existence of a representative volume element (RVE) for a class of quasi-brittle materials having a random heterogeneous microstructure in tensile, shear and mixed mode loading is demonstrated by deriving traction–separation ...
  • Computational homogenization for multiscale crack modeling: implementational and computational aspects 

    Nguyen, Vinh Phu; Lloberas Valls, Oriol; Sluys, Lambertus J.; Stroeven, Martijn (John Wiley & sons, 2012-01)
    Article
    Open Access
    A computational homogenization procedure for cohesive and adhesive crack modeling of materials with a heterogeneous microstructure has been recently presented in Computer Methods in Applied Mechanics and Engineering (2010, ...
  • A fast and accurate method to solve the incompressible Navier-Stokes equations 

    Idelsohn Barg, Sergio Rodolfo; Nigro, Norberto; Gimenez, Juan; Rossi, Riccardo; Martí, Julio Marcelo (2013-02)
    Article
    Restricted access - publisher's policy
    Purpose: The purpose of this paper is to highlight the possibilities of a novel Lagrangian formulation in dealing with the solution of the incompressible Navier-Stokes equations with very large time steps. Design/meth ...
  • RC structures cyclic behavior simulation with a model integrating plasticity, damage, and bond-slip 

    Alfarah, Bashar; Murcia Delso, Juan; López Almansa, Francisco; Oller Martínez, Sergio Horacio (Wiley, 2018)
    Article
    Open Access
    Copyright © 2017 John Wiley & Sons, Ltd. The behavior of reinforced concrete structures under severe demands, as strong ground motions, is highly complex; this is mainly due to the complexity of concrete behavior and to ...
  • Two-scale topology optimization in computational material design: an integrated approach 

    Ferrer Ferré, Àlex; Cante Terán, Juan Carlos; Hernández Ortega, Joaquín Alberto; Oliver Olivella, Xavier (John Wiley & Sons, 2018-04)
    Article
    Open Access
    In this work, a new strategy for solving multiscale topology optimization problems is presented. An alternate direction algorithm and a precomputed offline microstructure database (Computational Vademecum) are used to ...
  • 3D numerical models of FSW processes with non-cylindrical pin 

    Bussetta, Philippe; Dialamishabankareh, Narges; Chiumenti, Michèle; Agelet de Saracibar Bosch, Carlos; Cervera Ruiz, Miguel; Ponthot, Jean Philippe (Taylor & Francis, 2015-06)
    Article
    Open Access
    Friction Stir Welding (FSW) process is a relatively recent welding process (patented in 1991). FSW is a solid-state joining process during which materials to be joined are not melted. During the FSW process, the behaviour ...
  • Software solutions for ICME 

    Schmitz, Georg J; Engstrom, Anders; Bernhardt, R; Prahl, Ulrich; Adam, Laurent; Seyfart, J; Apel, M; Agelet de Saracibar Bosch, Carlos; Korzhavyi, P; Agren, J; Patzak, B (2016-01)
    Article
    Open Access
    The Integrated Computational Materials Engineering expert group (ICMEg), a coordination activity of the European Commission, aims at developing a global and open standard for information exchange between the heterogeneous ...
  • 3D numerical models using a fluid or a solid formulation of FSW processes with a non-cylindrical pin 

    Bussetta, Philippe; Dialamishabankareh, Narges; Chiumenti, Michèle; Agelet de Saracibar Bosch, Carlos; Cervera Ruiz, Miguel; Boman, Romain; Ponthot, Jean Philippe (Springer, 2015-12)
    Article
    Open Access
    Friction Stir Welding (FSW) process is a relatively recent welding process (patented in 1991). FSW is a solid-state joining process during which materials to be joined are not melted. During the FSW process, the behaviour ...