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2006.192: Linear instability of planar shear banded flow

2006.192: S.M. Fielding (2005) Linear instability of planar shear banded flow. Physical Review Letters, 95 (134501). pp. 1-4. ISSN 0031-9007

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DOI: 10.1103/PhysRevLett.95.134501

Abstract

We study the linear stability of planar shear banded flow with respect to perturbations with wave vector in the plane of the banding interface, within the nonlocal Johnson-Segalman model. We find that perturbations grow in time, over a range of wave vectors, rendering the interface linearly unstable. Results for the unstable eigenfunction are used to discuss the nature of the instability. We also comment on the stability of phase separated domains to shear flow in model H.

Item Type:Article
Subjects:MSC 2000 > 76 Fluid mechanics
MSC 2000 > 82 Statistical mechanics, structure of matter
MIMS number:2006.192
Deposited By:Miss Louise Stait
Deposited On:17 July 2006

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