Documents published in Scipedia

  • (2014). S. Idelsohn (Ed.), Numerical Simulations of Coupled Problems in Engineering, Part III, Chapter 7 Computational Methods, Vol. 33, Springer, pp. 157-169

    Abstract
    This work deals with the numerical simulation and material flow visualization of Friction Stir Welding (FSW) processes. The 4-th order Runge-Kutta (RK4) integration method [...]

  • C. Agelet de Saracibar, M. Chiumenti, M. Cervera, N. Dialami, D. Santiago, G. Lombera
    Monograph Series on Computational Modeling of Forming Processes, editor C. Agelet (2012). CMFP3, ISBN 84-939640-0-9

    Abstract
    This paper deals with the computational modeling and numerical simulation of the material flow around the probe tool in a Friction Stir Welding (FSW) process. Within the paradigmatic [...]

  • N. Dialami, M. Cervera, M. Chiumenti
    Metals (2019). Vol. 9 (1), pp. 28-45

    Abstract
    This work studies the effect of the tool tilt angle on the generated heat and the material flow in the work pieces joint by Friction Stir Welding (FSW). An apropos kinematic [...]

  • N. Dialami, M. Cervera, M. Chiumenti, A. Segatori
    Int. J. Mechanical Sciences (2019). Vol. 151, pp. 61-69

    Abstract
    This work studies computationally and experimentally the joint line remnant defects emerging in friction stir welding (FSW) due to oxide layer propagation into the weld. A [...]

  • N. Dialami, M. Cervera, M. Chiumenti
    Metals (2018). (preprint) Vol. 8 (3), pp. 183

    Abstract
    This work studies the metallurgical and microstructural aspects of Friction Stir Welding (FSW) in terms of grain size and microhardness. The modelling is based on the combination [...]

  • N. Dialami, M. Cervera, M. Chiumenti, A. Segatori, W. Osikowicz
    Metals (2017). (preprint) Vol. 7 (11), pp. 491

    Abstract
    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 [...]

  • N. Dialami, M. Chiumenti, M. Cervera, A. Segatori, W. Osikowicz
    Int. J. Mechanical Sciences (2017). (preprint) Vol. 133, pp. 555-567

    Abstract
    Friction is one of the main heat generation mechanisms in Friction Stir Welding (FSW). This phenomenon occurs between the pin and the workpiece as the rotating tool moves [...]

  • Int. J. Mechanical Sciences (2017). (preprint) Vol. 122, pp. 215–227

    Abstract
    Pin geometry is a fundamental consideration in friction stir welding (FSW). It influences the thermal behaviour, material flow and forces during the weld and [...]

  • International Journal of Advanced Manufacturing Technology (2017). (preprint) Vol. 88 (9), pp. 3099–3111

    Abstract
    This work describes the local–global strategy proposed for the computation of residual stresses in friction stir welding (FSW) processes. A coupling strategy between [...]

  • M. Chiumenti, M. Cervera, N. Dialami, B. Wu, L. Jinwei, C. Agelet de Saracibar
    Finite Elements in Analysis and Design (2016). (preprint) Vol. 121, pp. 118–133

    Abstract
    Electron Beam Welding (EBW) is a highly efficient and precise welding method increasingly used within the manufacturing chain and of growing importance in different industrial [...]

Articles (Documents not available in Scipedia)

  • A fast and accurate two-stage strategy to evaluate the effect of the pin tool profile on metal flow, torque and forces in friction stir welding

    N Dialami, M Cervera, M Chiumenti, C Agelet de Saracibar

    International Journal of Mechanical Sciences 122, 215-227, 2017

  • Local-global strategy for the prediction of residual stresses in FSW processes

    N Dialami, M Cervera, M Chiumenti, C Agelet de Saracibar

    The International Journal of Advanced Manufacturing Technology 88 (9), 3099-3111, 2017

  • Challenges in Thermo-mechanical Analysis of Friction Stir Welding Processes

    N Dialami, M Chiumenti, M Cervera, CA de Saracibar

    Archives of Computational Methods in Engineering 24 (1), 189-225, 2017

  • Numerical modeling of the electron beam welding and its experimental validation

    M Chiumenti, M Cervera, N Dialami, B Wu, L Jinwei, CA de Saracibar

    Finite Elements in Analysis and Design 121, 118-133, 2016

  • 3D numerical models of FSW processes with non-cylindrical pin

    P Bussetta, N Dialami, M Chiumenti, C Agelet de Saracibar, M Cervera, ...

    Advances in Materials and Processing Technologies 1 (3-4), 275-287, 2015

  • 3D numerical models using a fluid or a solid formulation of FSW processes with a non-cylindrical pin

    P Bussetta, N Dialami, M Chiumenti, CA de Saracibar, M Cervera, ...

    Advanced Modeling and Simulation in Engineering Sciences, 2:27, 2015

  • Material flow visualization in friction stir welding via particle tracing

    N Dialami, M Chiumenti, M Cervera, CA de Saracibar, JP Ponthot

    International Journal of Material Forming 8 (2), 167-181, 2015

  • Thermo-mechanical analysis of welding processes

    N Dialami

    PhD Thesis. Universitat Politècnica de Catalunya. UPC BarcelonaTech, Barcelona, 2014

  • Numerical simulation and visualization of material flow in friction stir welding via particle tracing

    N Dialami, M Chiumenti, M Cervera, CA de Saracibar, JP Ponthot, ...

    Numerical Simulations of Coupled Problems in Engineering, 157-169, 2014

  • Computational modeling and sub-grid scale stabilization of incompressibility and convection in the numerical simulation of friction stir welding processes

    CA de Saracibar, M Chiumenti, M Cervera, N Dialami, A Seret

    Archives of Computational Methods in Engineering 21 (1), 3-37, 2014

  • Comparison of a Fluid and a Solid Approach for the Numerical Simulation of Friction Stir Welding with a Non‐Cylindrical Pin

    P Bussetta, N Dialami, R Boman, M Chiumenti, C Agelet de Saracibar, ...

    Steel research international 85 (6), 968-979, 2014

  • A novel stress-accurate FE technology for highly non-linear analysis with incompressibility constraint. Application to the numerical simulation of the FSW process

    M Chiumenti, M Cervera, C Agelet de Saracibar, N Dialami

    AIP conference proceedings 1532 (1), 45-56, 2013

  • An apropos kinematic framework for the numerical modeling of friction stir welding

    N Dialami, M Chiumenti, M Cervera, CA de Saracibar

    Computers & Structures 117, 48-57, 2013

  • Numerical modeling of friction stir welding processes

    M Chiumenti, M Cervera, CA de Saracibar, N Dialami

    Computer methods in applied mechanics and engineering 254, 353-369, 2013

  • Advances in the numerical simulation of 3D FSW processes

    C Agelet de Saracibar Bosch, M Chiumenti, M Cervera Ruiz, N Dialami, ...

    Macro to Nano-scale Inelastic Deformation and Failure of Materials and Multi ..., 2011

  • Advances in the numerical simulation of 3D FSW processes

    CA de Saracibar, M Chiumenti, M Cervera, N Dialami, D Santiago, ...

    on the Proceedings of the International Symposium on Plasticity and its ..., 2011

  • On the computational modeling of FSW processes

    C Agelet de Saracibar Bosch, M Chiumenti, D Santiago, M Cervera Ruiz, ...

    Finite Plasticity and Visco-plasticity of Conventional and Emerging ..., 2010

  • On the numerical modeling of FSW processes

    C Agelet de Saracibar, M Chiumenti, D Santiago, N Dialami, G Lombera

    Proceedings of the international symposium on plasticity and its current ..., 2010

  • A computational model for the numerical simulation of FSW processes

    C Agelet de Saracibar, M Chiumenti, D Santiago, M Cervera, N Dialami, ...

    AIP Conference Proceedings 1252 (1), 81-88, 2010

  • Finite element modeling of multi-pass welding and shaped metal deposition processes

    M Chiumenti, M Cervera, A Salmi, CA De Saracibar, N Dialami, K Matsui

    Computer methods in applied mechanics and engineering 199 (37), 2343-2359, 2010

  • Natural neighbor Galerkin method for deflection analysis of inflatable structures

    N Dialami, F Daneshmand

    Engineering Computations 26 (4), 440-456, 2009

  • Computational modeling of multi-pass welding and metal deposition processes

    M Chiumenti, M Cervera, N Dialami, CA de Saracibar

    12th ESAFORM Conference on Material Forming, 1-4, 2009

  • On the Computational Modeling of FSW Processes

    CA de Saracibar, M Chiumenti, D Santiago, N Dialami, G Lombera

    Internal Report, 2009

  • A strategy for the numerical simulation of metal deposition and multi-pass welding processes

    N Dialami, M Chiumenti, CA de Saracibar, M Cervera

    Computational plasticity X: fundamentals and applications: proceedings of ..., 2009

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