Granular and particle-laden flows

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Programme theme

The programme will be concerned with theoretical issues in the burgeoning areas of dry granular and particle laden flows. The flow of such materials is of considerable practical interest with applications ranging from the geosciences to industry. In recent years it has also become a very active area in the international physics community as it provides rich structure in the form of novel pattern forming processes. Much of the progress that is made in these studies relies upon relatively simple mathematical modelling which is often ad hoc in nature. In all cases, a fundamental difficulty which makes essesntial theoretical input difficult is the availability of suitable continuum models. Indeed, appeal is often made to microscopic descriptions although these are often limited in scope. Therefore, the time is now ripe for a workshop where mathematicians and physicists can be brought together to discuss these fundamental issues at a detailed level.

Two intensive week-long workshops are planned as part of the programme;

Flow Regimes, Transitions and Segregation in Granular and Particle-Laden Flows.
The workshop will focus on pattern formation, transitions between patterns, and chaos as seen in well controlled experiments on granular materials and as predicted in mathematical models. The phenomena of interest include flow segregation in rotating drums, clustering in granular shearing flows, and free surface structures seen in vibrated beds.
Geophysical Granular and Particle-Laden Flows.
The central theme of the workshop will be theoretical modelling, with an emphasis on geophysical flows. Applications will range from sediment transport to powder snow avalanches. Mathematical issues associated with localization, type change, and stability will be included in an effort to predict failure, jamming, surging, and other rapid changes between flow regimes.

Click here to download the programme's final scientific report

Preprints

Title	Year	Programme
Preferred slip band orientations and bending observed in the Dome Concordia ice core Authors: S Kipfstuhl, Sérgio Faria Download PDF	2003	GPF
The effects of hydraulic resistance on dam-break and other shallow inertial flows Authors: D Pritchard, Andrew Hogg Download PDF	2003	GPF
Segregation phases in a vibrated binary granular layer Authors: George Ehrhardt, Pedro Reis, T Mullin Download PDF	2003	GPF
The Savage-Hutter avalanche model How far can it be pushed? Authors: K Hutter, Y Wang, Shiva Pudasaini Download PDF	2003	GPF
Rapid motion of free-surface avalanches over natural terrains and their simulations through curved and twisted channels Authors: K Hutter, Shiva Pudasaini Download PDF	2003	GPF
Cross-shore suspended sediment transport under tidal currents Authors: D Pritchard, Andrew Hogg Download PDF	2003	GPF
Exact solutions of the Savage-Hutter equations for one-dimensional granular flows Authors: Nico Gray, K Hutter, Vladimir Chugunov Download PDF	2003	GPF
The incremental response of random aggregates of round particles Authors: Curt Koenders, James Jenkins Download PDF	2003	GPF
Hydrodynamic interaction of rough spheres Authors: Curt Koenders, James Jenkins Download PDF	2003	GPF
Hydraulic failure and soil-structure deformation due to wave and draw down loading Authors: HJ Kohler, M Davis, Curt Koenders, ET Al Download PDF	2003	GPF
Flying avalanches Authors: Kristìn Hákonardóttir, Andrew Hogg, J Batey Download PDF	2003	GPF
Gases, liquids and crystals in granular segregation Authors: George Ehrhardt, A Stephenson, ET Al, Pedro Reis Download PDF	2003	GPF

Workshops

GPFW01

Seminars

Tuesday 2nd September 2003
10:00 to 10:30	Anthony Rosato New Jersey Institute of Technology 'Ice-breaking' talk	Room 1
10:30 to 11:00	'Ice-breaking' talk	Room 1

Wednesday 3rd September 2003
10:00 to 10:30	Paul Segall Stanford University 'Ice-breaking' talk	Room 1
10:30 to 11:00	Jonathan Huntley Loughborough University 'Ice-breaking' talk	Room 1
16:00 to 17:00	Motion of a particle on a rough incline	Room 1

Thursday 4th September 2003
10:00 to 10:30	Michael Rotter 'Ice-breaking' talk	Room 1
10:30 to 11:00	Hernan Makse City College of New York 'Ice-breaking' talk	Room 1

Friday 5th September 2003
10:00 to 10:30	Mark Shattuck City College of New York Granular fluid dynamics	Room 1
10:30 to 11:00	David Harris Dilation-rate, rotation-rate, well-posedness, ill-posedness and instability	Room 1

Monday 8th September 2003
10:00 to 10:30	David Schaeffer Duke University BVP for steady state hyperbolic equations	Room 1
10:30 to 11:00	Richard Hewitt University of Manchester The Karman flow for a dilute particle suspension	Room 1

Tuesday 9th September 2003
10:00 to 10:30	Dmitri Grinev University of Cambridge Statistical mechanics of quasi-static states in granular packings	Room 1
10:30 to 11:00	Peter Duck University of Manchester The spatial development of a dusty wall jet	Room 1

Wednesday 10th September 2003
10:00 to 10:30	John Rudnicki Northwestern University Compaction localisation	Room 1
10:30 to 11:00	Cooperative balls	Room 1

Thursday 11th September 2003
10:00 to 10:30	Stefan Luding Delft University of Technology Micro macro transition for granular materials	Room 1
10:30 to 11:00	Particulate mechanics observed in physical models	Room 1

Friday 12th September 2003
10:00 to 10:30	Nico Gray University of Manchester Granular avalanches	Room 1
10:30 to 11:00	Granular slumping and Maxwell's demon	Room 1

Monday 15th September 2003
10:00 to 10:30	Herbert Huppert University of Cambridge Granular column collapse	Room 1
10:30 to 11:00	Andrew Hogg University of Bristol Granular and particle laden flows	Room 1
16:00 to 16:30	Michael Rotter Silos part 2	Room 1

Tuesday 16th September 2003
10:00 to 10:30	Peter Thomas University of Warwick Granules-wet and rotating	Room 1
10:30 to 11:00	James Jenkins Cornell University Mechanics of granular materials	Room 1

Wednesday 17th September 2003
09:15 to 09:20	James Rice Harvard University Introduction	Room 1
09:20 to 10:20	Chris Wibberley Laboratory constraints on hydromechanical weakening of granular fault gouge during earthquake slip	Room 1
10:20 to 11:00	John Rudnicki Northwestern University Effects of shear heating on stability of a dilatant, fluid-saturated fault zone	Room 1
11:00 to 11:30	Coffee	No Room Required
11:30 to 12:00	James Rice Harvard University Heating, weakening and partial melting of rapidly sheared fault gouge	Room 1
12:00 to 12:30	John Hutchinson Field examples of liquefaction, mudslides and rock avalanches, and problems as to mechanisms	Room 1
12:30 to 13:40	Lunch	No Room Required
13:40 to 14:20	Ioannis Vardoulakis National and Capodistrian University of Athens Fluidisation in artesian flow conditions: cases of hydromechanically stable versus unstable granular media	Room 1
14:20 to 15:00	Andrew Palmer University of Cambridge Wave-induced liquefaction of the seabed around submarine pipelines	Room 1
15:00 to 15:30	Tea	No Room Required
15:30 to 16:10	Richard Iverson Dilatancy and pore-pressure feedback as causes of diverse styles and rates of landslide motion	Room 1
16:10 to 16:50	Richard Craster Mud/lava viscoplastic flow downslope	Room 1
16:50 to 17:20	Avalanches of snow, debris and mud - geophysical systems between order and disorder	Room 1

Thursday 2nd October 2003
10:00 to 11:00	Andreas Acrivos The microstructure \& stochastic behaviour of non-Brownian spheres in sheared suspensions	Room 1

Friday 3rd October 2003
10:00 to 11:00	Andreas Acrivos The role of shear-induced diffusion in modelling suspension flows	Room 1

Monday 6th October 2003
10:00 to 11:00	Sam Edwards University of Cambridge Can statistical mechanics be used in granular systems	Room 1

Tuesday 7th October 2003
10:00 to 10:30	Michael Foster Ohio State University Dusty gases	Room 1
10:30 to 11:00	Viswanathan Kumaran Indian Institute of Science Vibrated granular materials	Room 1

Wednesday 8th October 2003
10:00 to 11:00	Sam Edwards University of Cambridge What are the stress equations for hard, rough jammed grains?	Room 1

Thursday 9th October 2003
10:00 to 11:00	Sam Edwards University of Cambridge Fluctuations and dynamics	Room 1

Monday 13th October 2003
10:00 to 11:00	Bob Behringer Duke University Force transmission and fluctuations in dense granular materials	Room 1
11:30 to 12:30	Bob Behringer Duke University Shearing, jamming, and granular phase transitions	Room 1

Tuesday 14th October 2003
10:00 to 11:00	Bob Behringer Duke University Diffusion, mobility and granular temperature	Room 1
11:30 to 12:30	Bob Behringer Duke University Horizontally shaken granular materials: a test of Coulomb friction models	Room 1

Wednesday 15th October 2003
11:30 to 12:30	Bob Behringer Duke University Granular systems on a substrate: friction and clustering	Room 1
14:30 to 15:00	Tony Spencer University of Nottingham Double-shearing theory of granular flow-theory and applications	Room 1
15:00 to 15:30	Singular solutions in plasticity	Room 1

Thursday 16th October 2003
10:00 to 10:30	Bruno Laurent University of Cambridge Characterisation of granular flow in stirred tanks	Room 1

Monday 20th October 2003
09:30 to 10:15	James Jenkins Cornell University Two-point boundary-value problems for granular and particle-laden flows	Room 1
10:15 to 11:00	Curt Koenders The role of fluctuations in the mechanics of granular materials	Room 1
11:30 to 12:15	Nico Gray University of Manchester Shock waves, dead zones and particle free regions in rapid granular avalanches	Room 1
14:00 to 14:45	Pierre Gremaud North Carolina State University Numerical challenges in granular flow	Room 1
14:45 to 15:30	John Matthews Duke University Granular flow through a non-axisymmetric hopper	Room 1
16:00 to 16:45	Ian Collins University of Auckland The thermomechanical approach to constitutive relations for clays and sands	Room 1

Friday 24th October 2003
14:00 to 14:30	Sérgio Faria Force chains in ice, a connection with granular media?	Room 1

Friday 31st October 2003
09:30 to 10:30	Force transmission in marginally rigid granular materials	Room 1
11:00 to 12:30	Hans-Juergen Herrmann Ratcheting and rotations in shear bands and polydisperse packings	Room 1

Monday 10th November 2003
10:00 to 10:45	Ripple formation in an oscillating flow of a viscous liquid	Room 1
14:30 to 15:30	Eric Clement PMMH-ESPCI Erosion patterns in a sediment layer	Room 1

Thursday 13th November 2003
10:00 to 10:30	The motion of granular material in a rotating cylinder	Room 1

Friday 14th November 2003
10:00 to 10:45	Fluctuations in sedimentation and the spreading of the front	Room 1

Wednesday 19th November 2003
10:00 to 10:45	The viscosity of a fluidised bed	Room 1
14:00 to 14:30	Sebastian Noelle TVD schemes applied to geophysical flows	Room 1
14:30 to 15:00	Irina Chubarenko Seasonal salinity increase in the vistula lagoon; impact of ice formation	Room 1

Monday 24th November 2003
14:00 to 15:00	Vladimir Chugunov Kazan State University Exact solutions of the Hutter-Savage model for the motion of granular materials	Room 1

Wednesday 26th November 2003
10:00 to 11:00	Hayley Shen Accounting of two-phase flow conservation laws	Room 1

Thursday 27th November 2003
10:00 to 11:00	Devang Khakhar Indian Institute of Technology Granular flows in rotating cylinders	Room 1

Friday 28th November 2003
10:00 to 11:00	Jean-Noel Roux Geometry and mechanics of frictionless or frictional disk and sphere packings	Room 1

Tuesday 2nd December 2003
10:00 to 10:30	Prabhu Nott Indian Institute of Science The rheology of slow, dense granular flows	Room 1
10:30 to 11:00	Andrew Hogg University of Bristol The effects of drag on dam-break flows	Room 1

Tuesday 9th December 2003
10:00 to 10:30	Raffaella Ocone Heriot-Watt University Hydrodynamics of fluidised beds	Room 2

Thursday 11th December 2003
10:00 to 11:00	Powder flow during detergent powder manufacture	Room 2

Organisers

Nico Gray University of Manchester
James Jenkins Cornell University
Tom Mullin University of Manchester

Speakers

Andreas Acrivos
Bob Behringer Duke University
Irina Chubarenko
Vladimir Chugunov Kazan State University
Eric Clement PMMH-ESPCI
Ian Collins University of Auckland
Richard Craster
Peter Duck University of Manchester
Sam Edwards University of Cambridge
Sérgio Faria
Michael Foster Ohio State University
Nico Gray University of Manchester
Pierre Gremaud North Carolina State University
Dmitri Grinev
David Harris
Hans-Juergen Herrmann
Richard Hewitt University of Manchester
Andrew Hogg University of Bristol
Jonathan Huntley Loughborough University
Herbert Huppert University of Cambridge
John Hutchinson
Richard Iverson
James Jenkins Cornell University
Devang Khakhar Indian Institute of Technology
Curt Koenders
Viswanathan Kumaran Indian Institute of Science
Bruno Laurent University of Cambridge
Stefan Luding Delft University of Technology
Hernan Makse City College of New York
John Matthews Duke University
Sebastian Noelle
Prabhu Nott Indian Institute of Science
Raffaella Ocone Heriot-Watt University
Andrew Palmer University of Cambridge
James Rice Harvard University
Anthony Rosato New Jersey Institute of Technology
Michael Rotter
Jean-Noel Roux
John Rudnicki Northwestern University
David Schaeffer Duke University
Paul Segall Stanford University
Mark Shattuck City College of New York
Hayley Shen
Tony Spencer University of Nottingham
Peter Thomas University of Warwick
Ioannis Vardoulakis National and Capodistrian University of Athens
Chris Wibberley

Show All

Programme theme

Preprints

Preferred slip band orientations and bending observed in the Dome Concordia ice core

The effects of hydraulic resistance on dam-break and other shallow inertial flows

Segregation phases in a vibrated binary granular layer

The Savage-Hutter avalanche model How far can it be pushed?

Rapid motion of free-surface avalanches over natural terrains and their simulations through curved and twisted channels

Cross-shore suspended sediment transport under tidal currents

Exact solutions of the Savage-Hutter equations for one-dimensional granular flows

The incremental response of random aggregates of round particles

Hydrodynamic interaction of rough spheres

Hydraulic failure and soil-structure deformation due to wave and draw down loading

Flying avalanches

Gases, liquids and crystals in granular segregation

Workshops

Flow regimes, transitions and segregation in granular and particle-laden flows

Geophysical granular and particle-laden flows

Computational aspects of granular and particle-laden flows

Young persons guide to granular and particle laden flows

Statics and dynamics of systems of particles

IMA conference on dense granular flows

IMA conference on dense granular flows

Seminars

Organisers

Speakers

Supported By

Granular and particle-laden flows

Programme theme

Preprints

Preferred slip band orientations and bending observed in the Dome Concordia ice core

The effects of hydraulic resistance on dam-break and other shallow inertial flows

Segregation phases in a vibrated binary granular layer

The Savage-Hutter avalanche model How far can it be pushed?

Rapid motion of free-surface avalanches over natural terrains and their simulations through curved and twisted channels

Cross-shore suspended sediment transport under tidal currents

Exact solutions of the Savage-Hutter equations for one-dimensional granular flows

The incremental response of random aggregates of round particles

Hydrodynamic interaction of rough spheres

Hydraulic failure and soil-structure deformation due to wave and draw down loading

Flying avalanches

Gases, liquids and crystals in granular segregation

Workshops

Flow regimes, transitions and segregation in granular and particle-laden flows

Geophysical granular and particle-laden flows

Computational aspects of granular and particle-laden flows

Young persons guide to granular and particle laden flows

Statics and dynamics of systems of particles

IMA conference on dense granular flows

IMA conference on dense granular flows

Seminars

Organisers

Speakers

Supported By

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