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Structural similarity between dry and wet sphere packings

Weis, Simon; Schroeder-Turk, Gerd; Schröter, Matthias

Description

The mechanical properties of granular materials change significantly in the presence of a wetting liquid which creates capillary bridges between the particles. This results e.g. in a reduced value of the volume fraction when a packing is prepared with added liquid. Here we use x-ray tomography to demonstrate that this change in mechanical properties is not accompanied by structural differences between dry and wet sphere packings when compared at the same volume fraction. We characterize the...[Show more]

dc.contributor.authorWeis, Simon
dc.contributor.authorSchroeder-Turk, Gerd
dc.contributor.authorSchröter, Matthias
dc.date.accessioned2020-06-02T05:01:54Z
dc.date.available2020-06-02T05:01:54Z
dc.identifier.issn1367-2630
dc.identifier.urihttp://hdl.handle.net/1885/204763
dc.description.abstractThe mechanical properties of granular materials change significantly in the presence of a wetting liquid which creates capillary bridges between the particles. This results e.g. in a reduced value of the volume fraction when a packing is prepared with added liquid. Here we use x-ray tomography to demonstrate that this change in mechanical properties is not accompanied by structural differences between dry and wet sphere packings when compared at the same volume fraction. We characterize the structure of the packings by the average numbers of contacts of each sphere $\langle Z\rangle $ and the shape isotropy $\langle {\beta }_{0}^{2,0}\rangle $ of the Voronoi cells of the particles. Additionally, we show that the number of liquid bridges per sphere $\langle B\rangle $ is approximately equal to $\langle Z\rangle +2$, independent of the volume fraction of the packing. These findings will be helpful in guiding the development of both particle-based models and continuum mechanical descriptions of wet granular matter.
dc.format.mimetypeapplication/pdf
dc.language.isoen_AU
dc.publisherInstitute of Physics Publishing
dc.rights© 2019 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/
dc.sourceNew Journal of Physics
dc.titleStructural similarity between dry and wet sphere packings
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume21
dc.date.issued2019
local.identifier.absfor020405 - Soft Condensed Matter
local.identifier.ariespublicationu3102795xPUB3536
local.publisher.urlhttp://www.iop.org/
local.type.statusPublished Version
local.contributor.affiliationWeis, Simon, Friedrich-Alexander-Universität Erlangen-Nürnberg
local.contributor.affiliationSchroder-Turk, Gerd, College of Science, ANU
local.contributor.affiliationSchröter, Matthias, Max Planck Institute for Dynamics and Self-Organization
local.bibliographicCitation.issue4
local.bibliographicCitation.startpage1
local.bibliographicCitation.lastpage8
local.identifier.doi10.1088/1367-2630/ab1517
local.identifier.absseo970101 - Expanding Knowledge in the Mathematical Sciences
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
dc.date.updated2019-12-19T07:08:36Z
local.identifier.scopusID2-s2.0-85067610178
dcterms.accessRightsOpen Access
dc.provenanceOriginal content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
dc.rights.licenseCreative Commons Attribution 3.0 licence
CollectionsANU Research Publications

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