Enviaments recents

  • 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
    Accés restringit per política de l'editorial
    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, 2018-01)
    Article
    Accés obert
    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
    Accés obert
    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
    Accés obert
    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
    Accés obert
    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 ...
  • Experimental validation of an FSW model with an enhanced friction law: application to a threaded cylindrical pin tool 

    Dialamishabankareh, Narges; Cervera Ruiz, Miguel; Chiumenti, Michèle; Segatori, A.; Osikowicz, W. (MDPI AG, 2017-11)
    Article
    Accés obert
    This work adopts a fast and accurate two-stage computational strategy for the analysis of FSW (Friction stir welding) processes using threaded cylindrical pin tools. The coupled thermo-mechanical problem is equipped with ...
  • A computational multiscale homogenization framework accounting for inertial effects: application to acoustic metamaterials modelling 

    Roca Cazorla, David; Lloberas Valls, Oriol; Cante Terán, Juan Carlos; Oliver Olivella, Xavier (2018-03)
    Article
    Accés obert
    A framework, based on an extended Hill–Mandel principle accounting for inertial effects (Multiscale Virtual Work principle), is developed for application to acoustic problems in the context of metamaterials modelling. The ...
  • Computational material design for acoustic cloaking 

    Méndez, Carlos Alberto; Podestá, J.M.; Lloberas Valls, Oriol; Toro, Sebastian; Huespe, Alfredo Edmundo; Oliver Olivella, Xavier (John Wiley & Sons, 2017-12)
    Article
    Accés obert
    A topology optimization technique based on the topological derivative and the level set function is utilized to design/synthesize the micro-structure of a pentamode material for an acoustic cloaking device. The technique ...
  • Performance of mixed formulations for the particle finite element method in soil mechanics problems 

    Monforte, LLuís; Carbonell Puigbó, Josep Maria; Arroyo Alvarez de Toledo, Marcos; Gens Solé, Antonio (Springer, 2017-07)
    Article
    Accés obert
    This paper presents a computational framework for the numerical analysis of fluid-saturated porous media at large strains. The proposal relies, on one hand, on the particle finite element method (PFEM), known for its ...
  • Holistic disaster risk evaluation for the urban risk management plan of Manizales, Colombia 

    Carreño Tibaduiza, Martha Liliana; Cardona Arboleda, Omar Dario; Barbat Barbat, Horia Alejandro; Suarez, Dora Catalina; Perez, Maria del Pilar; Narvaez, Lizardo (Springer, 2017-09)
    Article
    Accés obert
    Disaster risk depends on both the physical vulnerability and a wide range of social, economic, and environmental aspects of a society. For a better risk understanding, a holistic or integrated perspective was considered ...
  • Finite element modeling of quasi-brittle cracks in 2D and 3D with enhanced strain accuracy 

    Cervera Ruiz, Miguel; Barbat Vlad, Gabriel; Chiumenti, Michèle (2017-11)
    Article
    Accés restringit per política de l'editorial
    This paper discusses the finite element modeling of cracking in quasi-brittle materials. The problem is addressed via a mixed strain/displacement finite element formulation and an isotropic damage constitutive model. The ...
  • Numerical modelling and experimental validation in Selective Laser Melting 

    Chiumenti, Michèle; Miranda Neiva, Eric; Salsi, Emilio; Cervera Ruiz, Miguel; Badia, Santiago; Moya, Joan; Chen, Zhuoer; Lee, Caroline; Davies, Christopher (2017-12)
    Article
    Accés restringit per política de l'editorial
    In this work a finite-element framework for the numerical simulation of the heat transfer analysis of additive manufacturing processes by powder-bed technologies, such as Selective Laser Melting, is presented. These kind ...

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