On stability of rapid granular shear flows |
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| Authors: | YA Berezin K Hutter LA Spodareva |
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| Institution: | (1) Institute of Theoretical and Applied Mechanics, 630090 Novosibirsk, Russia , RU;(2) Institut für Mechanik, Technische Hochschule Darmstadt, D-64289 Darmstadt, Germany , DE |
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| Abstract: | We study stability properties of rapid granular flows that are described by the balance laws of mass, momentum and fluctuation
energy with phenomenological relationships based upon dimensional arguments 12, 13]. Small disturbances propagating perpendicular
to the shear plane are only studied. Calculations show that such flows are stable at small free path lengths of the granules
but unstable if free path lengths are large.
Received June 17, 1997 |
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