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Random non-overlapping ellipsoids (can touch), respecting volume fraction and particle size distribution

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SS
SS 2014-11-1
回答： Vahid Tavanashad 2021-9-30
Hi,
I am looking to generate random ellipsoids in a cube, given the volume fraction of ellipsoids (say 40%), non-overlapping (can touch), and they must follow certain particle size distribution. One instance could be, 60% of 2mm, 20% of 4 mm, 15% of 8 mm and 5% of size 16 mm. These sizes (2mm, 4 mm...) are the lengths of the largest semi-principal axes.
Thank you.
S

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回答（2 个）

bulalili
bulalili 2019-1-12
Hi, have you solved this problem? I have encountered similar problems recently, thank you very much.
Vahid Tavanashad
Vahid Tavanashad 2021-9-30
Look at this paper. The authors have provided their MATLAB code as supplementary material
Random generation of periodic hard ellipsoids based on molecular dynamics: A computationally-efficient algorithm
Journal of Computational Physics
https://doi.org/10.1016/j.jcp.2013.07.004

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