Oliver Henrich et al 2007 J. Phys.: Condens. Matter 19 205132 doi:10.1088/0953-8984/19/20/205132
Nonequilibrium structure of concentrated colloidal fluids under steady shear: leading-order response
Oliver Henrich, Oskar Pfeifroth and Matthias Fuchs
Show affiliationsThe flow-induced microstructural distortions of dense colloidal dispersions under steady shearing are derived within a recent first-principles approach to the nonlinear rheology of colloidal fluids and glasses. The stationary structure factor is discussed to leading orders in shear rate 
. We find that shear affects the stationary structure whenever the dressed Peclet/Weissenberg number 
becomes appreciable; here τ is the structural or α-relaxation time. Close to vitrification, this predicts significantly larger shear distortions than expected from considering the bare Peclet number Pe0; it compares with the diffusion time of a colloid at infinite dilution.
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Issue 20 (23 May 2007)
Received 15 December 2006, in final form 3 January 2007
Published 25 April 2007
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Nonequilibrium structure of concentrated colloidal fluids under steady shear: leading-order response
Oliver Henrich et al 2007 J. Phys.: Condens. Matter 19 205132
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