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IMA Conference on Dense Granular Flows


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1st July 2013 to 4th July 2013

Organisers: Ricky Wildman (Nottingham) – Chair, Jim McElwaine (Durham) – Co-Chair, oël Forterre (Polytech Marseille), Nico Gray (Manchester), Christine Hrenya (Colorado), Jonathon Huntley (Loughborough)

Conference Theme

Flows involving solid particulates are ubiquitous in nature and industry alike. Such flows are found in pharmaceutical production, the chemical industry, the food and agricultural industries, energy production and the environment. Many unsolved problems remain, however. For example, the rejection rate by US pharmaceutical manufacturers is around 5% with the cost of losing a single batch of medication ranging from £50,000 to £500,000. In order to be able to solve such problems, granular flows need to be understood so that their behaviour can be controlled and predicted.
To date, we are able to describe rapid granular flows, where the particles are highly agitated and there has been some success describing static systems. The intermediate regime, where these two phases meet and coexist, is not as well understood and yet is the most commonly observed behaviour of granular flow. The objective of this meeting was to interface the two ends of the particulate flow spectrum – those working to understand the fundamentals of granular flows and those attempting to control particulate flows in an industrial setting - to develop solutions to the complex problems presented by dense granular flows.
Themes were to include dense granular flow, biological systems, self-propelled particles and geological flows, exploring new developments in theoretical analysis and experimental techniques. Contributors were provided with an opportunity to present recent work and there will be substantial time for discussion, both during the workshop and during the evening! Postgraduate and PhD students were particularly welcomed and oral presentations reflected the breadth of the field.
This workshop followed on from the successful workshop held in January 2009 and the INI Granular and Particle Laden Flows programme hosted by the Isaac Newton Institute in 2003. The Isaac Newton Institute for Mathematical Sciences is a national and international visitor research institute. It runs research programmes on selected themes in mathematics and the mathematical sciences with applications over a wide range of science and technology. It attracts leading mathematical scientists from the UK and overseas to interact in research over an extended period.

Invited Speakers

  • Paulo Arratia (University of Pennsylvania)
  • Vicente Garzó (University of Extremadura)
  • Michel Louge (Cornell University)
  • Jean-Noël Roux (IFSTTAR)
  • Martin van Hecke (Leiden Institute of Physics)


The content of this page was obtained from

University of Cambridge Research Councils UK
    Clay Mathematics Institute London Mathematical Society NM Rothschild and Sons