Journal
MATERIALS
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/ma10111237
Keywords
pore size distribution; 3D segmentation algorithm; digital material representation; granular material characterization
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Funding
- US National Science Foundation through the federal award [EEC-1449501]
- School of Civil and Environmental Engineering
- Elizabeth and Bill Higginbotham Chair at the Georgia Institute of Technology
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Pore scale modeling plays a key role in fluid flow through porous media and associated macroscale constitutive relationships. The polyhedral shape and effective local pore size within granular material microstructure are computed in this study by means of the Euclidean Distance Transform (EDT), a local maxima search (non-maximum suppression), and a segmentation process. Various synthetic packed particles are simulated and employed as comparative models during the computation of pore size distribution (PSD). Reconstructed un-sheared and sheared Ottawa 20-30 sand samples are used to compute PSD for non-trivial and non-spherical models.
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