Large-scale 3D random polycrystals for the finite element method: Generation, meshing and remeshing

R Quey, PR Dawson, F Barbe - Computer Methods in Applied Mechanics …, 2011 - Elsevier
A methodology is presented for the generation and meshing of large-scale three-
dimensional random polycrystals. Voronoi tessellations are used and are shown to include …

[HTML][HTML] 3D random Voronoi grain-based models for simulation of brittle rock damage and fabric-guided micro-fracturing

E Ghazvinian, MS Diederichs, R Quey - Journal of Rock Mechanics and …, 2014 - Elsevier
A grain-based distinct element model featuring three-dimensional (3D) Voronoi tessellations
(random poly-crystals) is proposed for simulation of crack damage development in brittle …

Modelling polycrystalline materials: an overview of three-dimensional grain-scale mechanical models

I Benedetti, F Barbe - Journal of Multiscale Modelling, 2013 - World Scientific
A survey of recent contributions on three-dimensional grain-scale mechanical modelling of
polycrystalline materials is given in this work. The analysis of material micro-structures …

Modeling of brittle rock failure considering inter-and intra-grain contact failures

X Wang, M Cai - Computers and Geotechnics, 2018 - Elsevier
Based on a two-scale tessellation technique in Neper, a 3DEC-GBM modeling approach
considering inter-and intra-grain contact failures is proposed to study brittle rock failure …

A CPFEM based study to understand the void growth in high strength dual-phase titanium alloy (Ti-10V-2Fe-3Al)

UB Asim, MA Siddiq, ME Kartal - International Journal of Plasticity, 2019 - Elsevier
High strength titanium alloys are generally used in widespread applications ranging over,
but not limited to biomedical, aerospace, automotive, marine, oil and gas, and energy …

In-situ EBSD study of the active slip systems and lattice rotation behavior of surface grains in aluminum alloy during tensile deformation

P Chen, SC Mao, Y Liu, F Wang, YF Zhang… - Materials Science and …, 2013 - Elsevier
This paper reports an in-situ study of the plastic deformation behavior of surface grains in a
polycrystalline aluminum alloy, in particular the active slip systems and lattice rotation, by …

Evaluating the impact of calcite and heterogeneity on the mechanical behavior of coal: A numerical study with grain-based finite-discrete element method

S Ali, C Yan, T Wang, Y Zheng, D Han, W Ke - Engineering Fracture …, 2024 - Elsevier
Understanding the mechanical properties and fracture behaviors of coal is essential for the
safety of underground mining engineering. This research aims to evaluate the impact of …

A comprehensive parametric study of grain-based models for rock failure process simulation

X Wang, M Cai - International Journal of Rock Mechanics and Mining …, 2019 - Elsevier
Grain and contact are the two key components in 3DEC-GBMs (grain-based models)
because they control the micro-mechanical behavior and consequently the macro …

Experimental and numerical investigations of plastic strain mechanisms of AISI 316L alloys with bimodal grain size distribution

C Keller, M Calvat, B Flipon, F Barbe - International Journal of Plasticity, 2022 - Elsevier
In this article, the plastic strain mechanisms of AISI 316L with bimodal grain size distributions
are investigated using experimental characterizations and numerical simulations. Using …

Modelling intergranular and transgranular micro-cracking in polycrystalline materials

V Gulizzi, CH Rycroft, I Benedetti - Computer Methods in Applied …, 2018 - Elsevier
In this work, a grain boundary formulation for intergranular and transgranular micro-cracking
in three-dimensional polycrystalline aggregates is presented. The formulation is based on …