Skip to main content

and
  1. No Access

    Article

    An accurate, adaptive and scalable parallel finite element framework for the part-scale thermo-mechanical analysis in metal additive manufacturing processes

    This work introduces a distributed memory machine and octree-based Finite Element (FE) framework for modeling metal Additive Manufacturing (AM) processes. In this sense, an Adaptive Mesh Refinement (AMR) is us...

    Carlos A. Moreira, Manuel A. Caicedo, Miguel Cervera in Computational Mechanics (2024)

  2. Article

    Special issue: Numerical simulation for additive manufacturing processes and products

    Alessandro Reali, Ferdinando Auricchio, Michele Chiumenti in Engineering with Computers (2022)

  3. Article

    Open Access

    A multi-criteria h-adaptive finite-element framework for industrial part-scale thermal analysis in additive manufacturing processes

    This work presents an h-adaptive finite-element (FE) strategy to address the numerical simulation of additive manufacturing (AM) of large-scale parts. The wire-arc additive manufacturing is chosen as the demonstr...

    Carlos A. Moreira, Manuel A. Caicedo, Miguel Cervera in Engineering with Computers (2022)

  4. No Access

    Article

    Mitigation of residual stresses and microstructure homogenization in directed energy deposition processes

    In additive manufacturing (AM), residual stresses and microstructural inhomogeneity are detrimental to the mechanical properties of as-built AM components. In previous studies, the reduction of the residual st...

    Xufei Lu, Michele Chiumenti, Miguel Cervera, Guohao Zhang in Engineering with Computers (2022)

  5. No Access

    Article

    On the mechanics of strain localization in plasticity: isotropic and orthotropic, elasto- and rigid-plastic, associated and non-associated models

    As strain localization is usually prognostics of localized failure in solids and structures, prediction of its occurrence and quantification of its adverse effects are of both theoretical and practical signifi...

    Miguel Cervera, Jian-Ying Wu, Sungchul Kim, Michele Chiumenti in Acta Mechanica (2022)

  6. No Access

    Article

    Numerical and experimental analysis of the structural performance of AM components built by fused filament fabrication

    This work analyses the performance of parts built by Additive Manufacturing (AM) using fused filament fabrication (FFF) demonstrating the correlation between the printing orientation and structural performance...

    Narges Dialami, Michele Chiumenti in International Journal of Mechanics and Mat… (2021)

  7. No Access

    Article

    Accurate and locking-free analysis of beams, plates and shells using solid elements

    This paper investigates the capacity of solid finite elements with independent interpolations for displacements and strains to address shear, membrane and volumetric locking in the analysis of beam, plate and ...

    Savvas Saloustros, Miguel Cervera, Sungchul Kim in Computational Mechanics (2021)

  8. No Access

    Article

    Strain localization analysis of Hill’s orthotropic elastoplasticity: analytical results and numerical verification

    In this work the strain localization analysis of Hill’s orthotropic plasticity is addressed. In particular, the localization condition derived from the boundedness of stress rates together with Maxwell’s kinem...

    Miguel Cervera, Jian-Ying Wu, Michele Chiumenti, Sungchul Kim in Computational Mechanics (2020)

  9. No Access

    Article

    Parametric Shape Optimization for Combined Additive–Subtractive Manufacturing

    In industrial practice, additive manufacturing (AM) processes are often followed by post-processing operations such as heat treatment, subtractive machining, milling, etc., to achieve the desired surface quali...

    Lorenzo Tamellini, Michele Chiumenti, Christian Altenhofen, Marco Attene in JOM (2020)

  10. No Access

    Article

    Integrated Computational Materials Engineering in Solar Plants: The Virtual Materials Design Project

    The high temperatures required for efficient operation of solar thermal power plants constitutes one of the major challenges of this technology. Gaining insight into materials behavior at very high temperature...

    Francisco Montero-Chacón, Michele Chiumenti, Javier Segurado, Manuel Doblaré in JOM (2018)

  11. No Access

    Book

  12. Article

    Open Access

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

    Friction stir welding 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 beh...

    Philippe Bussetta, Narges Dialami in Advanced Modeling and Simulation in Engine… (2015)

  13. No Access

    Reference Work Entry In depth

    Shaped Metal Deposition Processes

    Carlos Agelet de Saracibar, Andreas Lundbäck in Encyclopedia of Thermal Stresses (2014)

  14. No Access

    Article

    Relationship Between the 3D Porosity and β-Phase Distributions and the Mechanical Properties of a High Pressure Die Cast AZ91 Mg Alloy

    Currently, most magnesium lightweight components are fabricated by casting as this process is cost effective and allows forming parts with complex geometries and weak textures. However, cast microstructures ar...

    Somjeet Biswas, Federico Sket in Metallurgical and Materials Transactions A (2013)