Journal
PHYSICS OF FLUIDS
Volume 29, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4989929
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Funding
- EPSRC [EP/K502959/1]
- Innovate UK [132314]
- Innovate UK [132314] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [1824853] Funding Source: researchfish
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We study non-Brownian suspensions under steady shear flow. In concentrated suspensions, we are trying to reproduce the shear thickening phenomenon seen in, for example, cornstarch. We investigate the effect of different frictional contact models. When contact acts to impose a fixed minimum separation between particles, there is a strict upper bound to the viscosity predicted by simulations. We deduce that soft or compressible contacts are a critical component of the strong shear thickening seen in experiments. Published by AIP Publishing.
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