A review of nonlinear FFT-based computational homogenization methods

M Schneider - Acta Mechanica, 2021 - Springer
Since their inception, computational homogenization methods based on the fast Fourier
transform (FFT) have grown in popularity, establishing themselves as a powerful tool …

Phase-field modeling of microstructure evolution: Recent applications, perspectives and challenges

D Tourret, H Liu, J LLorca - Progress in Materials Science, 2022 - Elsevier
We briefly review the state-of-the-art in phase-field modeling of microstructure evolution. The
focus is placed on recent applications of phase-field simulations of solid-state microstructure …

In-situ study of adjacent grains slip transfer of Inconel 718 during tensile process at high temperature

J Chen, J Lu, W Cai, Y Zhang, Y Wang, W Jiang… - International Journal of …, 2023 - Elsevier
Adjacent grains slip transfer is an important mechanism for metal adaptation to
incompatibilities in intergranular deformation. Thus, this paper investigates slip transmission …

FFT based approaches in micromechanics: fundamentals, methods and applications

S Lucarini, MV Upadhyay… - Modelling and Simulation …, 2021 - iopscience.iop.org
FFT methods have become a fundamental tool in computational micromechanics since they
were first proposed in 1994 by Moulinec and Suquet for the homogenization of composites …

A review of FE-FFT-based two-scale methods for computational modeling of microstructure evolution and macroscopic material behavior

C Gierden, J Kochmann, J Waimann… - … Methods in Engineering, 2022 - Springer
The overall, macroscopic constitutive behavior of most materials of technological importance
such as fiber-reinforced composites or polycrystals is very much influenced by the …

An analysis of (the lack of) slip transfer between near-cube oriented grains in pure Al

TR Bieler, R Alizadeh, M Peña-Ortega… - International Journal of …, 2019 - Elsevier
Slip transfer across grain boundaries was studied in annealed polycrystalline Al foils
deformed in uniaxial tension by means of the analysis of the slip traces on the specimen …

[HTML][HTML] Effect of printing direction and thickness on the mechanical behavior of SLM fabricated Hastelloy-X

CM Pilgar, AM Fernandez, S Lucarini… - International Journal of …, 2022 - Elsevier
An FFT based polycrystalline homogenization framework is used to predict the temperature-
dependent response of SLM parts fabricated in Hastelloy-X, and to ascertain the origin of the …

Influence of grain size and grain boundary misorientation on the fatigue crack initiation mechanisms of textured AZ31 Mg alloy

A Jamali, A Ma, J LLorca - Scripta Materialia, 2022 - Elsevier
The deformation and crack initiation mechanisms were analyzed in a textured AZ31B-O Mg
alloy subjected to fully-reversed, strain-controlled cyclic deformation along the rolling …

Graph neural networks for efficient learning of mechanical properties of polycrystals

JM Hestroffer, MA Charpagne, MI Latypov… - Computational Materials …, 2023 - Elsevier
We present graph neural networks (GNNs) as an efficient and accurate machine learning
approach to predict mechanical properties of polycrystalline materials. Here, a GNN was …

Grain size effect of FCC polycrystal: A new CPFEM approach based on surface geometrically necessary dislocations

M Jiang, Z Fan, S Kruch, B Devincre - International Journal of Plasticity, 2022 - Elsevier
A multiscale modeling methodology involving discrete dislocation dynamics (DDD) and
crystal plasticity finite element method (CPFEM) was used to study the grain size effect in …