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

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Fig. 1. A 3000-grain Voronoi tessellation. (a) All grains are shown, (b) only the grains whose shape is not affected by the cubic domain boundary are shown (in this article, all statistics are provided for such grains).
Fig. 5. Influence of the geometry regularization on the (a) edge length and (b) face diameter distributions, for increasing values of the maximum allowed flatness faults, f max
Fig. 7. Influence of the geometry regularization on the (a) distribution of grain size and (b) distribution of number of grain faces
Fig. 9. Mesh quality: (a–b) element qualities and (c–d) relative element sizes for different meshing strategies
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