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Shape-dependent effective diffusivity in packings of hard cubes and cuboids compared with spheres and ellipsoids
RISE - Research Institutes of Sweden, Bioscience and Materials, Agrifood and Bioscience.
2017 (English)In: Soft Matter, ISSN 1744-683X, E-ISSN 1744-6848, Vol. 13, no 46, p. 8864-8870Article in journal (Refereed) Published
Abstract [en]

We performed computational screening of effective diffusivity in different configurations of cubes and cuboids compared with spheres and ellipsoids. In total, more than 1500 structures are generated and screened for effective diffusivity. We studied simple cubic and face-centered cubic lattices of spheres and cubes, random configurations of cubes and spheres as a function of volume fraction and polydispersity, and finally random configurations of ellipsoids and cuboids as a function of shape. We found some interesting shape-dependent differences in behavior, elucidating the impact of shape on the targeted design of granular materials.

Place, publisher, year, edition, pages
2017. Vol. 13, no 46, p. 8864-8870
Keywords [en]
Diffusion, Geometry, Effective diffusivities, Face centered cubic lattice, Random configurations, Simple cubic, Spheres
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-33168DOI: 10.1039/c7sm01910fScopus ID: 2-s2.0-85036457622OAI: oai:DiVA.org:ri-33168DiVA, id: diva2:1176606
Available from: 2018-01-22 Created: 2018-01-22 Last updated: 2018-01-22Bibliographically approved

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