Isaac Newton Institute for Mathematical Sciences

A Newton Institute Workshop

Geophysical Granular and Particle-Laden Flows

27 Oct - 31 Oct 2003

Timetable:

Posters Participants

Monday 27 October

09.10-09.50 Registration & Poster session 1

Chair: C Ancey

09.50-10.00 Conference opening & local arrangements

10.00-11.00 S Sparks (Bristol)

Concentrated particulate flows in geological systems

11.00-11.30 Coffee

11.30-12.10 T Druitt (Pascal & CNRS)

Pyroclastic flows as shearing fluidised systems  More info

12.10-12.30 M Branney (Leicester)

Sedimentary record of changes between granular fluid-based & fully
dilute pyroclastic density currents  More info

12.30-14.00 Lunch & Poster session 1

Chair: J Best

14.00-15.00 H Huppert (Cambridge)

Axisymmetric granular collapses  More info

15.00-15.30 O Roche (Clermont)

Experiments on granular flows generated from instantaneous release of
initially gas-fluidised material  More info

15.30-15.50 J Phillips (Bristol)

Enhanced mobility of granular mixtures of fine and coarse particles  More info

15.50-16.20 Tea

16.20-16.40 R Brown (Naples)

Bypassing & diachronous deposition from density currents: evidence
from a giant regressive bedform in the Poris ignimbrite, Tenerife  More info

16.40-17.00 E Calder (Milton Keynes)

Mobility of pyroclastic flows & surges at the Soufriere Hills
Volcano, Montserrat  More info

17.00-18.00 J Vallance (Vancouver)

Field & experimental constraints on modelling geophysical granular
flows, with examples from volcanic debris flows & pyroclastic flows  More info

18.15 Drinks Reception at the Pitcher & Piano


Tuesday 28 October
Chair: C Campbell

09.10-10.10 D Issler (NaDesCoR)

Experiments on snow avalanches & their implications for modelling  More info

10.10-10.40 P Talling (Bristol)

Flow transformation between turbidity current & submarine debris flow
constrained by correlating individual beds over 120 x 60 km of outcrop  More info

10.40-11.10 Coffee

11.10-11.30 X Cui (Manchester)

Rapid granular free-surface flow past a cylindrical obstacle

11.30-12.10 M Eglit (Moscow)

Mathematical models of snow avalanches   More info

12.10-12.30 P Gauer (Oslo)

Possible mechanisms of snow entrainment in avalanches

12.30-14.00 Lunch & Poster session 1

Chair: H Huppert

14.00-15.00 K Nishimura (Nagaoka)

Snow in motion - snow avalanche & blowing snow  More info

15.00-15.30 B Pitman (Buffalo)

Extending models of granular avalanche flows

15.30-15.50 G Lube

Scaling behaviour of granular flows  More info

15.50-16.20 Tea

16.20-16.40 A Thornton (Manchester)

A simple model for particle size segregation in granular avalanches

16.40-17.00 K Hakonardottir (Bristol)

The interaction of snow avalanches with dams: "An experimental study"  More info

17.00-17.30 P Thomas (Warwick)

Granular ripples under rotating flow

17.30-18.00 J McElwaine (Cambridge)

The interaction granular avalanches & the ambient fluid

19.30 Conference Dinner at the Glass Boat


Wednesday 29 October
Chair: J Vallance

09.10-10.10 J Best (Leeds)

The fluid & sediment dynamics of sand dunes under unidirectional
water flows: insights from laboratory & field experiments  More info

10.10-10.40 K Pickering (UCL)

Role of mass transport complexes in evolution & growth patterns of
confined basin-floor submarine fans, mid-eocene, s.Spanish Pyrenees  More info

10.40-11.10 Coffee

11.10-11.30 A Elverhoi (Oslo)

Experimental studies of subaqeous debris flow particle tracking &
measurements of porefluid pressure & total stress  More info

11.30-12.10 D Masson (Southampton)

Large debris avalanches on volcanic island flanks - what can the
deposits tell us about emplacement processes  More info

12.10-12.30 M Larcher (Trento)

Rheological stratification of high concentration liquid granular flows  More info

12.30-14.00 Lunch & Poster session 2

14.00 Free afternoon


Thursday 30 October
Chair: R Denlinger

09.10-10.10 J Rice (Harvard)

Heating, weakening & melting of wet fault gouge during earthquake
slip  More info

10.10-10.40 D Garagash (Clarkson)

Stability of undrained quasi-static deformation of saturated granular
materials  More info

10.40-11.10 Coffee

11.10-11.30 J Morgan (Rice)

Particle dynamics simulations of gravitational volcanic deformation  More info

11.30-12.10 M Bursik (SUNY)

Effects of erosion on propagation of granular flows  More info

12.10-12.30 D Doppler (Laboratoire FAST)

Vortex ripples on a tilting granular bed in a 2D experiment   More info

12.30-14.00 Lunch & Poster session 2

Chair: K Nishimura

14.00-15.00 R Denlinger (Vancouver)

The role of internal stresses in the flow of granular avalanches  More info

15.00-15.20 R Hoyle (Surrey)

A continuum model for aeolian sand ripples  More info

15.20-15.40 N-S Cheng (Nanyang)

Bedload transport in laminar flows  More info

15.40-16.20 Tea

16.20-16.40 S Dadson (Cambridge)

Structural stability of gravel beds  More info

16.40-17.00 KR Rasmussen (Aarhus)

Shear stress partitioning in aeolian saltation  More info

17.00-17.20 F De Blasio (Oslo)

Role of water in the mobility of sub aqueous debris flows  More info

17.20-17.40 I Sharma (Cornell)

Dynamics of granular asteroids  More info

Friday 31 October
Chair: S Sparks

09.10-10.10 C Ancey (Cemagref)

The rheophysical approach in the study of natural gravity-driven flows  More info

10.10-10.40 J Rajchenbach (Jussieu)

Nucleation & growth of dry grain avalanches  More info

10.40-11.10 Coffee

11.10-11.30 SP Pudasaini, SS Hsiau, K Hutter (Darmstadt)

Free-surface motion of avalanches over natural terrains &
PIV-measurements for flows down curved chutes  More info

11.30-12.10 D McClung (British Columbia)

The slab avalanche as a self-organised critical phenomenon  More info

12.10-12.30 S Dartevelle (Michigan)

Multiphase modelling of geophysical granular gravity currents.
Pyroclastic flow dynamic and depositional processes  More info

12.30-14.00 Lunch & Poster session 2

Chair: D Issler

14.00-15.00 C Campbell (USC)

Elastic granular flows  More info

15.00-15.30 W Long (Delaware)

Discussion on two-phase boundary layer sediment transport model  More info

15.30-15.50 M Schmeeckle (Arizona)

Synchronous high-speed measurement of near-bed turbulent flow &
particle entrainment from a granular bed  More info

15.50-16.10 Tea



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Updated at 10:04 on 21 October 2003