Constraint-Based Approach to Granular Dispersion Rheology

B. M. Guy; J. A. Richards; D. J.M. Hodgson; E. Blanco; W. C.K. Poon

doi:10.1103/PhysRevLett.121.128001

Constraint-Based Approach to Granular Dispersion Rheology

B. M. Guy, J. A. Richards, D. J.M. Hodgson, E. Blanco, W. C.K. Poon

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

We present a phenomenological model for granular suspension rheology in which particle interactions enter as constraints to relative particle motion. By considering constraints that are formed and released by stress respectively, we derive a range of experimental flow curves in a single treatment and predict singularities in viscosity and yield stress consistent with literature data. Fundamentally, we offer a generic description of suspension flow that is independent of bespoke microphysics.

Original language	English
Article number	128001
Journal	Physical Review Letters
Volume	121
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevLett.121.128001
Publication status	Published - 17 Sept 2018

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10.1103/PhysRevLett.121.128001

PhysRevLett.121.128001Final published version, 688 KB

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title = "Constraint-Based Approach to Granular Dispersion Rheology",

abstract = "We present a phenomenological model for granular suspension rheology in which particle interactions enter as constraints to relative particle motion. By considering constraints that are formed and released by stress respectively, we derive a range of experimental flow curves in a single treatment and predict singularities in viscosity and yield stress consistent with literature data. Fundamentally, we offer a generic description of suspension flow that is independent of bespoke microphysics.",

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Constraint-Based Approach to Granular Dispersion Rheology

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Design Principles for New Soft Materials

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Constraint-Based Approach to Granular Dispersion Rheology

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Design Principles for New Soft Materials

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