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Colloids, grains and dense suspensions: under flow and under arrest









The Royal Society, London, 6-9 Carlton House Terrace, London, SW1Y 5AG



Organised by Professor Michael Cates FRS, Dr Paul Bartlett and Professor Wilson Poon.

Colloidal suspensions undergo Brownian diffusion that arrests at high density, remobilizing under flow. Slowly sheared non-Brownian particles (dry or in suspension) likewise show chaotic trajectories, but of quite different origin. Both systems can jam spontaneously when too large a stress is applied.

This meeting will compare and contrast the flow, jamming and arrest of Brownian and non-Brownian materials.

Download the programme (PDF) and poster abstracts (PDF). Due to unfortunate circumstances, Professor Sidney Nagel was unable to speak at this meeting. His session was taken by Professor Wim van Saarloos.

The proceedings of this meeting are scheduled to be published in a future issues of Philosophical Transactions A.

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Schedule of talks

Session 1

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Ageing and yielding behaviour in model soft colloidal glasses

Dr Dimitris Vlassopoulos, FORTH and Univ. of Crete

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Hard discs under steady shear: Comparison of Brownian dynamics simulations and mode coupling theory

Dr Matthias Fuchs, University of Konstanz

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Hard spheres: Crystallization and glass formation

Professor Peter Pusey FRS, University of Edinburgh

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Multiple dynamic regimes in concentrated microgel systems

Dr Veronique Trappe, Dept. of Physics, University of Fribourg, Switzerland

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Session 2

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Rheology of granular materials: Dynamics in a stress landscape

Professor Bulbul Chakraborty, Brandeis University

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The jamming scenario and the packing of ellipsoids - what the density of states tells us

Professor Wim van Saarloos, Leiden Univeristy

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Session 3

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Constitutive modelling of granular flows: Role of the dilatancy

Dr Olivier Pouliquen, Laboratoire IUSTI, CNRS, Université de provence Marseille

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Dynamical fluctuations in dense flows of grains

Professor Narayanan Menon, University of Massachusetts

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Reversibility in non-Brownian suspensions: Non-equilibrium phase transitions & self-organized criticality

Professor David Pine, New York University

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Rheology of wet granular materials

Dr Farhang Radjai, LMGC, CNRS-University Montpellier 2

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Session 4

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Directed assembly of dense colloidal suspensions, gels, and biphasic mixtures

Professor. Jennifer A. Lewis, University of Illinois

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Yield stress and jamming

Dr Daniel Bonn, University of Amsterdam

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Colloids, grains and dense suspensions: under flow and under arrest The Royal Society, London 6-9 Carlton House Terrace London SW1Y 5AG UK