NDLI: Experimental and numerical determination of representative elementary volume for granular plant materials

Content Provider	Springer Nature Link
Author	Wiącek, Joanna Molenda, Marek Ooi, Jin Y. Favier, John
Copyright Year	2012
Abstract	A series of physical and numerical tests were conducted to determine representative elementary volume of granular plant material. The load response of pea grain assembly poured into a cuboid test chamber and subjected to uniaxial confined compression was studied. The apparatus was equipped with adjustable side walls that allowed measurement of boundary stresses in samples of varying thickness. It was found that load distribution varied considerably in samples of thickness smaller than three times the size of the particle. Less pressure variation was observed in grain assemblies of thickness equaled to three, five and seven times the particle size. Comparison between experimental data and numerical DEM results have shown qualitative agreement. It was found that the specimen of dimension not smaller than five times the particle size can be used as a representative elementary volume in confined uniaxial compression test of granular plant materials.
Starting Page	449
Ending Page	456
Page Count	8
File Format	PDF
ISSN	14345021
Journal	Granular Matter
Volume Number	14
Issue Number	4
e-ISSN	14347636
Language	English
Publisher	Springer-Verlag
Publisher Date	2012-05-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Sample size effect Representative elementary volume Grain bedding Uniaxial confined compression Discrete element method Engineering Thermodynamics, Heat and Mass Transfer Engineering Fluid Dynamics Soft and Granular Matter, Complex Fluids and Microfluidics Geoengineering, Foundations, Hydraulics Materials Science Industrial Chemistry/Chemical Engineering
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Mechanics of Materials Materials Science

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