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 …

[HTML][HTML] Evaluation of computational homogenization methods for the prediction of mechanical properties of additively manufactured metal parts

NG March, DR Gunasegaram, AB Murphy - Additive Manufacturing, 2023 - Elsevier
It is well known that the strongly location-dependent microstructures observed in metal parts
made using additive manufacturing (AM) processes differ from those found in components …

[HTML][HTML] Fourier-based schemes for computing the mechanical response of composites with accurate local fields

F Willot - Comptes Rendus Mécanique, 2015 - Elsevier
We modify the Green operator involved in Fourier-based computational schemes in
elasticity, in 2D and 3D. The new operator is derived by expressing continuum mechanics in …

Fourier‐based schemes with modified Green operator for computing the electrical response of heterogeneous media with accurate local fields

F Willot, B Abdallah… - International Journal for …, 2014 - Wiley Online Library
SUMMARY A modified Green operator is proposed as an improvement of Fourier‐based
numerical schemes commonly used for computing the electrical or thermal response of …

[图书][B] Morphological models of random structures

D Jeulin - 2021 - Springer
This book covers methods of Mathematical Morphology to model and simulate random sets
and functions (scalar and multivariate). These models concern many physical situations in …

Mixed boundary conditions for FFT-based homogenization at finite strains

M Kabel, S Fliegener, M Schneider - Computational Mechanics, 2016 - Springer
In this article we introduce a Lippmann–Schwinger formulation for the unit cell problem of
periodic homogenization of elasticity at finite strains incorporating arbitrary mixed boundary …

FFT-based Inverse Homogenization for Cellular Material Design

Z Chen, B Wu, YM Xie, X Wu, S Zhou - International Journal of Mechanical …, 2022 - Elsevier
Besides constituting components, the properties of composites are highly relevant to their
microstructures. The work proposed a fast Fourier transform (FFT)-based inverse …

Numerical homogenization of thermal conductivity of particle-filled thermal interface material by fast Fourier transform method

X Lu, X Fu, J Lu, R Sun, J Xu, C Yan… - Nanotechnology, 2021 - iopscience.iop.org
Thermal interface material (TIM) is pivotal for the heat dissipation between layers of high-
density electronic packaging. The most widely used TIMs are particle-filled composite …

[HTML][HTML] Influence of the fiber geometry on the macroscopic elastic and thermal properties

H Altendorf, D Jeulin, F Willot - International journal of solids and structures, 2014 - Elsevier
This work focuses on the linear elastic and thermal properties of real and virtual, computer-
generated fibrous composites. A stochastic microstructure model is used to generate …

Development of a new consistent discrete green operator for FFT-based methods to solve heterogeneous problems with eigenstrains

KS Eloh, A Jacques, S Berbenni - International Journal of Plasticity, 2019 - Elsevier
In this paper, a new expression of the periodized discrete Green operator using the Discrete
Fourier Transform method and consistent with the Fourier grid is derived from the classic …