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Thomas Barker -- Continuum modelling of flowing grains [ONLINE]

Patterned pufferfish scales demonstrating a Turing pattern in the natural world
Dates:23 November 2022
Times:13:00 - 14:00
What is it:Seminar
Organiser:Department of Mathematics
Who is it for:University staff, External researchers, Current University students
Speaker:Thomas Barker
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  • Mathematics in the life sciences
  • Department of Mathematics

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  • In category "Seminar"
  • In group "(Maths) Mathematics in the life sciences "
  • In group "(Maths) Maths seminar series"
  • By Department of Mathematics

Join us for this seminar by Tom Barker (Cardiff -- previously Manchester) as part of the North West Seminar Series in Mathematical Biology and Data Sciences. Details of the full series can be found here https://www.cms.livjm.ac.uk/APMSeminar/

The talk will be hosted by Liverpool John Moores University and streamed via zoom, please contact carl.whitfield@manchester.ac.uk or i.siekmann@ljmu.ac.uk for the zoom link, or sign up to the mailing list.

Abstract: Lying on a sandy beach, perhaps gazing contentedly out to sea, you may feel grateful for the solid ground beneath you. However, get caught in a sandstorm and the gas-like attack of the hard grains will likely be no fun at all. Between these extremes is the fluid-like flow of granular materials. These flows are sometimes convenient, like when we pour cereal into a bowl for breakfast, but they also underpin the dynamics of devastating geophysical hazards such as debris avalanches. To build models for the reliable and accurate prediction of these large-scale events, continuum theories have been in development since at least the 18th century. Unlike the study of liquids, the constitutive relations for granular materials are still far from tied down. The correct inclusion of the grain properties and the correct mathematical formulation of their dynamics continue to inspire much innovation. Here I’ll focus on the gravity-driven flow of grains in a vertical chute to illustrate both the difficulties and recent progress.

To subscribe to the mailing list for this event series, please send an e-mail with the phrase “subscribe math-lifesci-seminar” in the message body to listserv@listserv.manchester.ac.uk

Speaker

Thomas Barker

Role: Lecturer

Organisation: Cardiff University

  • https://www.cardiff.ac.uk/people/view/2553770-Barker-Thomas

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Carl Whitfield

carl.whitfield@manchester.ac.uk

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