Macroscopic stress from dynamic, rotating granular media


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Luding, S. (2010) Macroscopic stress from dynamic, rotating granular media. In: IUTAM-ISIMM Symposium on Mathematical Modeling and Physical Instances of Granular Flows, 14-18 September 2009, Reggio Calabria, Italy.

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Abstract:In this brief study, the stress is averaged over a two-dimensional rigid particle (disk) that is in contact with other objects via localized (point) contacts. In contrast to previous studies, the rotation dynamics of the particles is also taken into account here The stress contains four terms, (i) the static stress due to forces, (ii) the dynamic stress due to translational velocity fluctuations, (iii) the dynamic stress due to rotational velocity fluctuations, and (iv) the stress due to changes of angular velocities due to torques.
Item Type:Conference or Workshop Item
Copyright:© 2010 American Institute of Physics
Faculty:
Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/80372
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