IUTAM Symposium on

MOBILE PARTICULATE SYSTEMS: Kinematics, Rheology and Complex Phenomena

January 23 - 27, 2012

Bangalore, India

 

Technical programme

Session themes



Day 1: January 23, 2011



08:00 - 08:45 Registration
08:45 - 09:15 Introductory remarks



Rheology and dynamics of suspensions



09:15 - 10:00 John Hinch Fluctuations in the velocities of sedimenting particles
10:00 - 10:30 Maria L. Ekiel-
Jezewska
Clusters of particles settling under gravity in a viscous fluid



10:30 - 11:00 Coffee break



11:00 - 11:30 Arun Ramachandran Demonstration of secondary currents in the pressure-driven flow of a concentrated suspension through a square conduit
11:30 - 12:00 Anugrah Singh Radial segregation of settling suspension in horizontally rotating cylinder
12:00 - 12:30 Mahesh S
Tirumkudulu
Ultimate strength of a colloidal packing saturated with a solvent



12:30 - 14:00 Lunch



14:00 - 14:30 Olivier Pouliquen Rheology of very dense suspensions
14:30 - 15:00 G. Ovarlez Local behavior of dense suspensions of noncolloidal particles
15:00 - 15:30 Anke Lindner Flow of dense granular suspensions: an experimental study



15:30 - 16:00 Coffee break



16:00 - 16:30 Jeffrey F. Morris Microstructural theory and rheology in very concentrated Brownian suspensions
16:30 - 17:00 Gary Leal The role of copolymer surfactants in determining the polydispersity of drop size distribution and copolymer concentration in disperse phase polymer blends



Day 2: January 24, 2012



Slow granular flows



08:45 - 09:30 J.D. Goddard Dissipative potentials in the mechanics of particulate media
09:30 - 10:00 Prabhu Nott The kinematics and stress in dense granular materials sheared in a cylindrical Couette device
10:00 - 10:30 Farhang Radjai Fabric states and plastic behavior of granular materials



10:30 - 11:00 Coffee break



11:00 - 11:30 Ken Kamrin Local and nonlocal models for dense granular flow
11:30 - 12:00 Tejas G Murthy Experimental studies of slow flow past obstacles in a dense granular ensemble



12:30 - 14:00 Lunch



14:00 - 14:30 Devang Khakhar Rheology and segregation of granular mixtures in dense flow
14:30 - 15:00 Kimberly Hill Segregation of binary mixtures: competing effects of gravity and shear rate gradients
15:00 - 15:30 Elisabeth Guazzelli Dense suspension rheology: normal stresses and migration



15:30 - 16:00 Coffee break



16:00 - 16:30 Joshua A. Dijksman Particle diffusion in the bulk of slow granular flows
16:30 - 17:00 Ashish V. Orpe Interstitial fluid effects on the dynamics of dense granular flows



Day 3: January 25, 2012

Granular flows in the intermediate regime



08:45 - 09:30 Sankaran Sundaresan Rheology of dense granular flows: regime bridging and implications for kinetic theory
09:30 - 10:00 J. C. Ruiz-Suarez Falling inside a superlight granular medium
10:00 - 10:30 Nico Gray Particle size segregation and spontaneous levee formation in geophysical mass flows



10:30 - 11:00 Coffee break



11:00 - 11:30 Robert H. Davis Collisions of wet particles
11:30 - 12:00 Ishan Sharma Stability of granular asteroids
12:00 - 12:30 Thorsten Poeschel Packing Structure of Granular Systems



12:30 - 14:00 Lunch



Rapid granular flows



14:00 - 14:45 V. Kumaran Transition in a dense granular flow
14:45 - 15:15 Tamas Borzsonyi Orientational order and alignment of elongated particles induced by shear
15:15 - 15:45 N. M. Vriend The second normal-stress difference in avalanching granular flows



15:45 - 16:15 Coffee break



16:15 - 16:45 H. Hayakawa Nonlinear analysis for a sheared granular flow: relaxation to a steady state and response around a steady state
16:45 - 17:15 Stefan Luding From particles to continuum theory: Shear-bands, jamming and dilatancy



19:00 onwards Banquet



Day 4: January 26, 2012



Turbulent fluid-particle flows



08:45 - 09:30 Mike Reeks Segregation of particles in incompressible random flows:
singularities, intermittency and random uncorrelated motion
09:30 - 10:00 T. Tanaka Numerical model for the motion of a large object in dense gas-solid flows
10:00 - 10:30 Partha S. Goswami Particle dynamics in a turbulent particle-gas suspension at high Stokes number
10:30 - 11:00 Shantanu Roy Dynamic flow structure in multiphase systems using single radio-labelled particle tracking



11:00 - 12:30 Coffee break-cum-poster presentation session



12:30 - 14:00 Lunch



Day 5: January 27, 2012

Living suspensions



08:45 - 09:30 Sriram Ramaswamy Chemotactic catalytic colloids
09:30 - 10:00 Michael D. Graham Hydrodynamic coordination of bacterial motions: from bundles to biomixing
10:00 - 10:30 Salima Rafai Active suspensions under flow



10:30 - 11:00 Coffee break



11:00 - 11:30 Ganesh Subramanian Pair-correlations in a bacterial suspension
11:30 - 12:00 Philippe Peyla Rheology of active suspensions: active rotors
12:00 - 12:30 David Saintillan The dynamics of active suspensions: effects of confinement and of concentration



12:30 - 14:00 Lunch



14:00 - 14:30 John Brady Reaction-induced motion: chemical swimming, sailing and surfing
14:30 - 15:00 Ashok S. Sangani Evaluation of proposed mechanisms for ciliary beating of eukaryotic cells



15:00 - 15:30 Coffee break



15:30 - 16:00 Ali Najafi Directed navigation at low Reynolds fluid dynamics
16:00 - 16:30 Ranganathan Prabhakar Measurements of extensional viscosities of suspensions of motile microbes