How to obtain constitutive relations about stress and density from DEM simulations


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Luding, S. (2010) How to obtain constitutive relations about stress and density from DEM simulations. In: World Congress on Particle Technology 6, WCPT 2010, 26-29 April 2010, Nuremberg, Germany.

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Abstract:Fine, cohesive-frictional powders are the subject of this study. The behavior under isotropic compression is examined for different material properties involving, friction, rolling-resistance, and contact-adhesion. From a single simulation, the constitutive relation for the density-pressure relation can be extracted. The examined powders show an interesting behaviour: the compaction slows down for moderate stresses and then accelerates for higher pressures.
Item Type:Conference or Workshop Item
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Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/80365
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