Programme  Titles  Presenters  Topics  Title Index 2d granular gas in Knudsen regime and in microgravity excited by vibration: Velocity and position distributions Meiying Hou*1, Riu Liu2, G Zai1, K Lu1, Yves Garrabos3, Pierre Evesque2 1Institute of Physics; Chinese Academy of Science, China, 2Center for Space Scienceand Applied research, Chinese Academy of Science, China, 3ESEME-ICMCB CNRS, France, 4Lab MSSMat, umr8579 cnrs, ECP, France Monday, July 13, 2009:  Session 1A: Contemporary Issues  -  Monday, July 13, 2009 9:30 am A Computational Study of the Micromechanics under Pre- and Post- Failure in a 2-D Direct Shear Test Qiang Zhou, Brian Helenbrook, Hayley Shen* Clarkson University, United States Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm A Dense 2D Granular Material Subject to Cyclic Pure Shear Jie Zhang*1, Jie Ren1, Somayeh Farhadi1, Robert Behringer1, Trush Majmudar2, Antoinette Tordesillas3 1Department of Physics and Center for Nonlinear and Complex Systems, Duke University, United States, 2Massachusetts Institute of Technology, United States, 3University of Melbourne, Australia Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm A density wave in a vertically vibrating granular layer and the occurrence of spikes and ripples on its surface Osamu Sano*, Ataka Takei Tokyo University of Agriculture and Technology, Japan Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm A micromechanical view of failure in granular materials Francois Nicot*1, Felix Darve2 1Cemagref, France, 2L3SR-INPG, France Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am A micro-mechanical, statistical model of a random assembly of rigid disks under quasi-static deformation Guy Descornet Belgian Road Research Centre, Belgium Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm A model for cohesive granular media with a solid matrix: application to wheat endosperm. Vincent TOPIN*, Farhang RADJAI, Jean-Yves DELENNE LMGC Université Montpellier 2, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm A model for surficially variant electrostatic charges on dielectric powders for particle method applications Scott Johnson*, Otis Walton Grainflow Dynamics, Inc., United States Monday, July 13, 2009:  Session 1B: Contemporary Issues/Jamming  -  Monday, July 13, 2009 10:45 am A New Approach based on Langevin type Equation for Granular Media Fluidized by Vibrations Junichi Wakou1, Masaharu Isobe*2 1Miyakonojo National College of Technology, Japan, 2Nagoya Institute of Technology, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm A new experiment with convection rolls in granular media Frank Rietz*, Ralf Stannarius Department for Nonlinear Phenomena, University Magdeburg, Germany Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm A numerical model for transition from liquid to solid bonding in cohesive granular media Jean-Yves Delenne*, Fabien Soulie, Moulay Said El Youssoufi, Farhang Radjai Universite Montpellier 2, Laboratoire de Mecanique et Genie Civil, UMR CNRS 5508, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm A numerical study of loose cohesive powders: plastic consolidation and tensile strength Francisco Gilabert1, Jean-Noel Roux*2, Antonio Castellanos1 1Departamento de Electromagnetismo, Universidad de Sevilla, Spain, 2Laboratoire Navier, Université Paris-Est, France Friday, July 17, 2009:  Session 8A: Cohesion  -  Friday, July 17, 2009 9:00 am A Particle-Substrate Numerical Model for a quasi-2D Driven Dissipative Granular Gas Meenakshi Dutt*1, Robert Behringer2 1University of Illinois at Urbana-Champaign, United States, 2Duke University, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm A Superheated state in granular matter F. Pacheco-Vázquez1, G. A. Caballero-Robledo2, J. C. Ruiz-Suarez*3 1Centro de Investigación y de Estudios Avanzados del IPN Unidad Mérida, Mexico, 2Centro de Investigación en Materiales Avanzados, S.C. Unidad Monterrey, Mexico, 3Centro de Investigación y de Estudios Avanzados del IPN Unidad Monterrey, Mexico Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm A transfer function generation method for sand mixtures –Theory and first applications Emőke Imre*1, János Lőrincz1, Gábor Telekes1 1BME, Hungary, 2SZIE, Hungary Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Acoustic probing of the contact network dynamics in a granular medium during shear-band formation Yacine Khidas*, Xiaoping Jia Université Paris-Est, France Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Acoustic tensor criterion for a DEM-FEM two scale approach of the behaviour of granular materials Michal Nitka, Gabriela Bilbie, Gaël Combe*, Cristian Dascalu, Jacques Desrues Grenoble Universités, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Ageing of a granular pile induced by thermal cycling Thibaut Divoux*, Ion Vassilief, Hervé Gayvallet, Jean-Christophe Géminard Université de Lyon, Laboratoire de Physique, Ecole Normale Supérieure de Lyon, CNRS, France Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Alternating field electronanofluidization M J Espin*, J M Valverde, M A S Quintanilla, A Castellanos University of Seville, Spain Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm An elasto-plastic model for deformation and flow of granular material and its connection with micro-mechanical quantities David Harris University of Manchester, United Kingdom Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Analysis of Segregation of Binary Mixtures of Particulate Solids due to Size, Density and Cohesion Ali Hassanpour*, Martina Eggert, Mojtaba Ghadiri Institute of Particle Science and Engineering, University of Leeds, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Analysis of Tribo-Electric Charging of Spherical Beads Using Distinct Element Method Tatsushi Matsuyama*1, Enes Šupuk2, Hossein Ahmadian2, Ali Hassanpour2, Mojtaba Ghadiri2 1Faculty of Engineering, Soka University, Japan, 2Institute of Particle Science and Engineering, University of Leeds, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Anisometric particle systems – from shape characterization to suspension rheology Eva Gregorova*, Willi Pabst, Lucie Vanerkova ICT Prague, Czech Republic Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Application of A Radial Return Algorithm For Resolving Inelastic Behavior of A Random Array of Identical Spheres Vincent Prantil Milwaukee School of Engineering, United States Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Applying 2D shape analysis techniques to granular materials with 3D particle geometries Ignazio Cavarretta*, Catherine O'Sullivan, Matthew Coop Imperial College, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Arch size distribution in a two-dimensional pile of disks Maria Alejandra Aguirre*1, Luis Pugnaloni1, Thibaut Divoux1, Juan Gabriel Grande1 1CONICET & Grupo de Medios Porosos, Facultad de Ingeniería, Universidad de Buenos Aires, Argentina, 2CONICET & Instituto de Física de Líquidos y Sistemas Biológicos, Univ. Nacional de La Plata, Argentina, 3Laboratoire de Physique, Ecole Normale Supérieure de Lyon, France, 4Grupo de Medios Porosos, Facultad de Ingeniería, Universidad de Buenos Aires, Argentina Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Attempt of accurate modelling for cone penetration resistance obtained from particulate media Hiroshi Nakashima*, Yusuke Toki Graduate School of Agriculture, Kyoto University, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Beyond Faraday's crispations: nonlinear patterns of granular flow on a vibratory conveyor Christof Kruelle*1, Andreas Goetzendorfer2, Jennifer Kreft2, Daniel Svensek2 1Mechanical Engineering and Mechatronics, Hochschule Karlsruhe, Germany, 2Experimentalphysik V, Universitaet Bayreuth, Germany Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Bonding Strength by Methane Hydrate Formed among Sand Particles Masayuki Hyodo*1, Yukio Nakata2, Norimasa Yoshimoto3, Jun Yoneda4, R. Orense1 1Yamaguchi University/Professor, Japan, 2Yamaguchi University/Associate Professor, Japan, 3Yamaguchi University/Research Associate, Japan, 4Yamaguchi University/PhD student, Japan, 5University of Auckland, New Zealand Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Boundary conditions and event scaling of granular stick-slip events Karen Daniels*1, Nicholas Hayman2 1Department of Physics, North Carolina State University, United States, 2Institute for Geophysics, University of Texas-Austin, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Calibration of DEM simulation: Unconfined Compressive Test and Brazilain Tensile Test Yucang Wang, Fernando Alonso-Marroquin* ESSCC, the Univ. of Queensland, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Can percolation model describe the evolution of mechanical properties of compacts of binary systems? Pierre Evesque*1, Virginie Busignies2, Patrice Porion3, Bernard Leclerc2, Pierre Tchoreloff2 1Lab MSSMat, umr8579 cnrs, ECP, France, 2Centre d'Etudes Pharmaceutiques, France, 3CRMD CNRS, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Capillarity condensation in partially wet granular media by meso-scale Monte Carlo simulation. Benjamin Zeidman*, David Wu, Ning Lu, Mark Lusk Colorado School of Mines, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Characterization of tap intensity for granular compaction Francois Ludewig*, Stephane Dorbolo, Nicolas Vandewalle Univercity of Liège, Belgium Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Cohesion and internal friction of fine glass beads as affected by small intensity vertical vibration A Castellanos, C Soria-Hoyo, J M Valverde, M A S Quintanilla* Universidad de Sevilla, Spain Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Collapsing process of uniform granular slopes Hsien-Ter Chou, Ching-Fang Lee* National Central University, Taiwan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Compaction of Ductile and Fragile Grains Creissac Sylvain, Pouliquen Olivier, Dalloz-Dubrujeaud Blanche* Aix-Marseille Université / IUSTI-CNRS UMR 6595, France Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Compaction of railway ballast during tamping process : a parametric study. Gilles SAUSSINE*, Robert PERALES, Emilien AZEMA, Fahrang RADJAI SNCF, France Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Competing flow of dissimilar granular materials in air Chuan-Yu Wu*, Yu Guo, Colin Thornton, Siavash Nikoosaleh University of Birmingham, United Kingdom Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Constant Pressure Axisymmetric Compression of an Aggregate of Identical, Elastic, Frictional Spheres. Luigi La Ragione*1, Vanessa Magnanimo1, James T. Jenkins2 1Politecnico di Bari/ Dipartimento di Ingegneria Civile e Ambientale, Italy, 2Cornell University/Department of Theoretical and Applied Mechanics, United States Tuesday, July 14, 2009:  Session 3B: Continuum Modeling  -  Tuesday, July 14, 2009 11:00 am Contact mechanics of naturally occurring grains: Experiments and discrete element modeling David Cole*, Mark Hopkins ERDC-CRREL, United States Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm Convective Flow in a Horizontally Vibrated 3D Granular Packing Ahmed Raihane1, Olivier Bonnefoy*1, Sebastien Nadler1, Jean-Louis Gelet3, Jean-Marc Chaix2, Gerard Thomas1 1Ecole nationale superieure des mines de saint-etienne, France, 2INPG, France, 3Ferraz-Shawmut, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Correlated motion of grains at the arrest of a granular flow Lydie Staron IJLRDA, CNRS-Université Paris 6, France Monday, July 13, 2009:  Session 1B: Contemporary Issues/Jamming  -  Monday, July 13, 2009 10:45 am Coupling of in situ X-ray microtomography observations with Discrete Element simulations – Application to powder sintering Luis Olmos1, Didier Bouvard*1, Christophe Louis Martin1, Daniel Bellet2, Marco Di Michiel3 1Laboratoire SIMAP-GPM2, Grenoble INP/CNRS/UJF, France, 2Laboratoire LMGP, Grenoble INP/CNRS, France, 3European Syncrotron Research Facilities, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Craters Formed in Granular Beds by Impinging Jets of Gas Philip T. Metzger*1, Robert C. Latta III2, Jason M. Schuler3, Christopher D. Immer3 1NASA John F. Kennedy Space Center, United States, 2Embry-Riddle Aeronautical University, United States, 3ASRC Aerospace, United States Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Deformation Field in Indentation of Granular Materials Tejas Murthy*, Ebenezer Gnanamanickam, Christopher Saldana, Srinivasan Chandrasekar Center for Materials Processing and Tribology, Purdue University, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm DEM investigation of particle size distribution effect on direct shear behaviour of granular agglomerates Yi Pik Cheng*, Nguyen Hop Minh University College London, United Kingdom Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm DEM simulation of a Schulze ring shear tester Oleh Baran*1, Alfred DeGennaro2, Enrique Rame2, Allen Wilkinson3 1DEM Solutions, United States, 2National Center for Space Exploration Research, United States, 3NASA Glenn Research Center, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm DEM simulation of comminution: Fragmentation and size distribution Yucang Wang, Fernando Alonso-Marroquin* ESSCC, the Univ. of Queensland, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm DEM Simulation of Granular Flows on a Heap Shimin Wu1, Haiping Zhu*1, Aibing Yu1, Alain de Ryck2, Paul Zulli3 1The University of New South Wales, Australia, 2École des Mines d’Albi, France, 3BHP Steel Research Laboratories, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm DEM simulation of particle motion in a MiPro granulator Nicholas Watson*1, Bao Hua Xu1, Yulong Ding1, Malcolm Povey2, Mike Claybourn3, Simon Weir3, Gavin Reynolds3 1Institute of particle science and engineering, University of Leeds, United Kingdom, 2Proctor department of food science, University of Leeds, United Kingdom, 3AstraZeneca, United Kingdom Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am DEM-LBM approach to the onset of sand boiling Mouloud Mansouri*1, Jean-Yves Delenne1, Moulay Saïd El Youssoufi1, Ahcene Seridi2 1LMGC, Université Montpellier 2, France, 2LM2S, Université M'hamed Bougara, Algeria Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Density Relaxation of Granular Matter Through Monte Carlo Simulations Anthony Rosato*, Vishagen Ratnaswamy, David Horntrop, Oleksandr Dybenko, Lou Kondic New Jersey Institute of Technology, United States Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Dependence of Particle Fluctuation Velocity on Gas Flow, and Particle Diameter in Gas Fluidized Beds of Monodispersed Spheres in the Geldart B and A Fluidization Regimes George Cody*1, Jayati Johri2, David Goldfarb2 1ExxonCorporateResearch-Retired, United States, 2Rutgers University, United States Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Discrete analysis of clay layer tensile strength Lê Thi-Ngoc-Hà1, Plé Olivier1, Villard Pascal1, Gotteland Philippe*1, Gourc Jean-Pierre2 1Laboratoire 3S-R, France, 2Laboratoire THE, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Discrete element simulation of granular column collapses Chi Yan Lo*1, Malcolm Bolton1, Yi Pik Cheng2 1Department of Engineering, University of Cambridge, United Kingdom, 2Department of Civil, Environmental and Geomatic Engineering, University College London, United Kingdom Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Discrete Element Simulations of Floor Pressure due to a Granular Material in a Cylindrical Vessel Shawn Chester*1, Meng Cui1, Anthony Rosato1, Otis Walton2 1New Jersey Institute of Technology, United States, 2Grainflow Dynamics, United States Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm Discrete simulation of the consolidation of nano-sized aggregated powders Avinash Balakrishnan, Patrick Pizette, Christophe L. Martin* Laboratoire SIMaP – GPM2, Grenoble-INP/ UJF / CNRS, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Dynamic breakage of aggregates under normal impact and tangential friction Caroline Le Bouteiller*, Mohamed Naaïm Cemagref ETNA, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Dynamics of expanding holes in vertically vibrated wet granules Hiroyuki Ebata*, Soichi Tatsumi, Masaki Sano The University of Tokyo, Japan Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Effect of dissimilar material layers on collision process between projectile and two-dimensional ordered particle packing Masahiro Nishida*, Koichi Tanaka Nagoya Institute of Technology, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Effect of Material Properties, Boundary Conditions and Flow Fields on the Rheology of Dense Granular Matter Mehrdad Kheiripour Langroudi*1, Gabriel Tardos2, James Michaels3, Paul Mort4 1The Graduate Center of the City University of New York, United States, 2The City College of the City University of New York, United States, 3Center for Materials Science and Engineering, Merck & Co. Inc., United States, 4Ivorydale Technical Center, Procter & Gamble, United States Thursday, July 16, 2009:  Session 6A: Granular Liquids  -  Thursday, July 16, 2009 9:00 am Effect of primary particle size on the granule properties Nejat Rahmanian*, Mojtaba Ghadiri, Yulong Ding, Xiaodong Jia Institute of Particle Science and Engineering, University of Leeds, United Kingdom Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Effect of shape nonconvexity on the shear strength of granular media Baptiste Saint-Cyr*, Charles Voivret, Jean-Yves Delenne, Farhang Radjai, Philippe Sornay LMGC, France Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm Effect of the heating of the intergranular water on the softening of a granular shear band: a micromechanical study. Sergio Galindo*1, Jose Munoz1, Arcesio Lizcano2 1Universidad Nacional de Colombia, Colombia, 2Universidad de los Andes, Colombia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Effect of the interfacial tension and wettability on the behaviour of unsaturated granular media Said Taibi*1, Dumont Matthieu1, Jean-Marie Fleureau1 1University of le Havre, Laboratoire LOMC, FRE CNRS, France, 2Ecole Centrale Paris, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Effects of Grain Shape on Mechanical Behaviors of Granular Material under Plane Strain Condition in 3D DEM Analyses Tatsuo Sakakibara*1, Satoru Shibuya2, Shoji Kato2 1ITOCHU Techno-Solutions Corporation, Japan, 2Kobe University, Japan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Elastic Flows of Ellipsoidal Particles Charles Campbell Univesity of Southern California, United States Thursday, July 16, 2009:  Session 6A: Granular Liquids  -  Thursday, July 16, 2009 9:00 am Emergent phenomena in far-from-equilibrium magnetic granular ensembles at the liquid-air interface Alexey Snezhko*1, Igor S Aranson1, Maxim Belkin2, Wai-Kwong Kwok1 1Argonne National Laboratory, United States, 2Illinois Institute of Technology, United States Monday, July 13, 2009:  Session 1B: Contemporary Issues/Jamming  -  Monday, July 13, 2009 10:45 am Energy injection in a non-equilibrium bilayer granular gas experiment Kristin Combs, Jeffrey Olafsen* Baylor University, United States Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm Energy transport through dense granular matter Lou Kondic*1, Xiaoni Fang1, Oleksey Dybenko1, Robert Behringer2 1New Jersey Institute of Technology, United States, 2Duke University, United States Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm Erosion structures in laminar flumes Olivier Devauchelle3, Christophe Josserand1, Pierre-Yves Lagrée*1, Eric Lajeunesse3, Luce Malverti3, François Métivier3, Stéphane Zaleski2, Khanh-Dang Nguyen Thu-Lam2 1CNRS Univ. Paris 06, France, 2IJLRA Univ. Paris 06, France, 3IPGP Univ. Paris 06, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Evolution of internal variables in granular materials throughout cyclic loadings Yuhanis Yunus1, Eric Vincens1, Bernard Cambou*2 1UNiversité de Lyon - LTDS - UMR 5513 - Ecole CEntrale de Lyon, France, 2INRETS, France Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm Experiment and Theory of the Electrical Conductivity of a Compressed Granular Metal. Mathieu Creyssels*, Eric Falcon, Bernard Castaing Ecole normale supérieure de Lyon, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Experimental and numerical study of the response of granular layer in the trap-door problem Bastien Chevalier, Gaël Combe*, Pascal Villard Grenoble Universités - Laboratoire Sols, Solides, Strucutres- Risques, France Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am Experimental measurements of time dependent structure in shock waves and gravitational-collapse of a granular gas Greg A. Voth*, John A. Perez, Reuben Son Wesleyan University, United States Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm Experimental research on behavior of soil particles in an oscillatory field Yayoi Takemura*, Kazuyoshi Tateyama Ritsumeikan University, Japan Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am Experimental study on the signs of particulate structures formation in annular geometry of rapid granular shear flows Jouni Ritvanen*, Payman Jalali Lappeenranta University of Technology, Finland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Experiments on Force Fluctuations and the Jamming Transition Trushant Majmudar*1, Bob Behringer2, Matthias Sperl3, Jie Zhang1 1MIT, United States, 2Duke University, United States, 3DLR, Germany Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Experiments on the Local Segregation Patterns of Gas-Fluidized Beds with Continuous Size Distributions Jia Wei Chew, Jeffrey Wolz*, Christine Hrenya University of Colorado at Boulder, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Extension of Geldart’s diagram to fluidizable fine and ultrafine particles Jose Manuel Valverde, Antonio Castellanos* University of Seville, Spain Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Fabric Evolution in Granular Materials Subject to Drained, Strain Controlled Cyclic Loading Catherine O'Sullivan*1, Liang Cui2 1Imperial College London, United Kingdom, 2University of Surrey, United Kingdom Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm Failure in small granular assemblies Philipp Welker*1, Sean McNamara2 1Universität Stuttgart, Germany, 2Université de Rennes I, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm FE-studies of different aspects of shear localization in granular bodies within micro-polar hypoplasticity Jacek Tejchman Gdansk University of Technology, Poland Tuesday, July 14, 2009:  Session 3B: Continuum Modeling  -  Tuesday, July 14, 2009 11:00 am Flow properties and heap shape of magnetic powders Geoffroy Lumay1, Nicolas Vandewalle*1 1University of Liege, Belgium, 2F.R.S-FNRS, Belgium Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Flow regimes in vertical pneumatic conveying S. B. Kuang, A. B. Yu*, Z. S. Zou Univ. of New South Wales, Australia Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Fluid flow research in the processes of particles catching intensification due to thermal effects. Sergiy Ryzhkov*1, Sergiy Serbin1, Boris Basok1 1Institute of Technical Thermophysics of the National Academy of Sciences of Ukraine, Ukraine, 2National University of Shipbuilding, Ukraine Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Force Chain Lifetimes in Shear Bands in Sands Amy Rechenmacher*1, Sara Abedi1, Olivier Chupin2 1University of Southern California, United States, 2Laboratoire Central des Ponts et Chaussées, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Force chains in sheared granular media of irregular particles Andres Pena*1, Hans Herrmann2, Pedro Lind3 1Bilfinger Berger GmbH, Germany, 2ETH, Switzerland, 3Univ. Lisbon, Portugal Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Force transmission in highly polydisperse granular media Charles Voivret*, Jean-Yves Delenne, Said El Youssoufi, Farhang Radjai LMGC, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Fractal Fragmentation of Granular Materials Under Compression Luis Vallejo*1, Sebastian Lobo Guerrero2 1University of Pittsburgh, United States, 2American Geotechnical and Environmental Services, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Fractal Substructures due to Fragmentation and Reagglomeration Dietrich Wolf*1, Thorsten Pöschel2, Thomas Schwager3, Alexander Weuster1, Lothar Brendel1 1University of Duisburg-Essen, Department of Physics and CeNIDE, Germany, 2University of Erlangen-Nuremberg, CBI and Center of Excellence EAM, Germany, 3Charité, Augustenburger Platz 1, Germany Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm From static response to impact loading in soils: a Discrete Element Method analysis Jean-Patrick Plassiard1, Frederic Victor Donze*1 1Ecole Centrale de Lyon, France, 2Université Joseph Fourier - Grenoble University, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Fundamental relations between particle shape and the macroscopic properties of granular packings Gary Delaney*, Paul Cleary CSIRO, Australia Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Generating ensembles and measuring mixing in a model granular system James Puckett*, Frederic Lechenault, Karen Daniels North Carolina State University, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Grain Parameter Effects on Seismic Attributes I: Sorting Carlos Santos*1, Vanessa Urdaneta1, Ernesto Medina2, Xavier García2 1Universidad Simón Bolívar, Venezuela, 2Instituto Venezolano de Investigaciones Científicas, Venezuela Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Grain size dependence of barchan dune dynamics Christopher Groh*1, Nuri Aksel2, Ingo Rehberg1, Christof A. Kruelle1, Christof A. Kruelle3 1Experimentalphysik V, Universität Bayreuth, Germany, 2Technische Mechanik und Strömungsmechanik, Universität Bayreuth, Germany, 3Maschinenbau und Mechatronik, Hochschule Karlsruhe - Technik und Wirtschaft, Germany Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm ‘Granular Elasticity’ and the loss of elastic stability in granular materials Paul Humrickhouse Idaho National Laboratory, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Granular flow with hydrodynamic interactions Jan Ludvig Vinningland*1, Øistein Johnsen2, Eirik Grude Flekkøy2, Renaud Toussaint3, Knut Jørgen Måløy2 1Institute for Engineering Materials, ETH Zürich, Switzerland, 2Department of Physics, University of Oslo, Norway, 3Institut de Physique du Globe de Strasbourg, CNRS, Universite Louis Pasteur, France Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm Granular lattice models with gravity Brian Tighe Leiden University, Netherlands Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Granular media under horizontal shakings : numerical simulation. Sébastien Nadler*1, Olivier Bonnefoy2, Gérard Thomas2, Jean-Marc Chaix3, Ahmed Raihane3, Jean-Louis Gelet3 1Centre SPIN -LPMG UMR CNRS 5148. Ecole Nationale Supérieure des Mines de Saint-Etienne., France, 2Ferraz-Shawmut, France, 3LTPCM UMR CNRS 5614 - ENSEEG, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Gravitational instability of a granular medium subjected to an inner water flow Pierre Philippe*, Félix Bonnet, Thierry Richard Cemagref, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm GSH, or Granular Solid Hydrodynamics: On the Analogy Between Sand and Polymers Yimin Jiang1, Mario Liu*2 1Central South University, China, 2Uni Tuebingen, Germany Tuesday, July 14, 2009:  Session 3B: Continuum Modeling  -  Tuesday, July 14, 2009 11:00 am History Dependence of the density Distribution in Granular Heaps Jian Chen*1, Lisa Watanabe1, Hide Sakaguchi2, Hans-Georg Matuttis1 1The University of Electrocommunications, Tokyo, Department of Mechanical Engineering and Intelligent Systems, Japan, 2IFREE, JAMSTEC, Japan Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Homogeneity and symmetry in DEM models of cone penetration Joanna Butlanska, Marcos Arroyo Alvarez de Toledo*, Antonio Gens Solé Universitat Politécnica de Catalunya, Spain Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Homogeneous Cooling with Repulsive and Attractive Long-range Interactions Micha-Klaus Müller, Stefan Luding* University of Twente, Netherlands Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Hyperstaticity and loops in frictional granular packings Edward Lam1, Antoinette Tordesillas1, Philip Metzger*2 1University of Melbourne, Australia, 2NASA Kennedy Space Center, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Image segmentation techniques for granular materials Joana Fonseca*, Catherine O'Sullivan, Matthew Coop Imperial College London, United Kingdom Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Impact of interaction laws and particle modeling in Discrete Element Simulations Hong Phong Cao*1, Mathieu Renouf1, Frédéric Dubois2 1LaMCoS / INSA Lyon, France, 2LMGC / UM2, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Incremental response of granular materials: DEM results Jean-Noël Roux1, Francesco Froiio*2 1Laboratoire Central des Ponts et Chaussées, France, 2Ecole Centrale de Lyon, France Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm Influence of bedding on shear band formation of quasistatic granular media Zafar Mahmood*, Kazuyoshi Iwashita Department of Civil and Environmental Engineering, Saitama University, Japan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Influence of interstitial fluid viscosity on transport phenomenon in sheared granular materials Chun-Chung Liao*, Sun-San Hsiau National Central University, Taiwan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Influence of the grains shape on the mechanical behaviour of granular materials Krzysztof Szarf, Gaël Combe*, Pascal Villard Laboratoire 3S-R, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Instability in Granular Materials with Internal Erosion Pierre-Yves Hicher*1, Ching Chang2 1Ecole Centrale, France, 2University of Massachusetts, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Interferometric measurements of small deformations of granular materials Marion Erpelding*, Axelle Amon, Jerome Crassous Institut de Physique de Rennes, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Internal avalanche in a granular media Alain de Ryck*, Olivier Louisnard Ecole des Mines d'Albi-Carmaux, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Investigation of Particle Mixing and Segregation in a Vertical Bladed Mixer G. R. Chandratilleke1, A. B. Yu*1, J. Bridgwater2, K. Shinohara3 1The University of New South Wales, Australia, 2University of Cambridge, United Kingdom, 3Hokkaido University, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Investigation of the Critical State in Soil Mechanics Using DEM Andrés Peña*1, Ramon García-Rojo3, Fernando Alonso-Marroquín5, Hans Herrmann4 1Bilfinger Berger GmbH, Germany, 2ICP, University of Stuttgart, Germany, 3EPCOS, Spain, 4Computational Physics, IfB, ETH-Hoenggerberg, Switzerland, 5School of Physical and Mathematical Sciences, The University of Queensland, Australia, 6Departamento de Física, Universidade Federal do Ceará, Brazil Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm INVESTIGATIONS OF SHEAR LOCALIZATION DURING GRANULAR SILO FLOW WITH NON-LOCAL HYPOPLASTIC CONSTITUTIVE MODEL Michal Wojcik*, Jacek Tejchman Gdansk University of Technology, Poland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Jamming and Flow in 2D Hoppers Junyao Tang, Sepehr Sadighpour, R. P. Behringer* Duke University, United States Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am Jamming and flow properties in the discharge of two-dimensional silo. Iker Zuriguel*, Alvaro Janda, Angel Garcimartín, Diego Maza University of Navarra, Spain Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Jamming and flow statistics in a silo geometry Alexandre MARTIN*1, Frédéric DUBOIS1, Farhang RADJAI1, Yann MONERIE2 1Université Montpellier 2, France, 2Institut de Radioprotection et de Sûreté Nucléaire, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Jamming and unjamming by penetration of a cylindrical intruder inside a 2 dimensional dense and disordered granular medium Evelyne KOLB*, Pierre CIXOUS, Jean-Claude CHARMET, Niels GAUDOUEN PMMH, ESPCI, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Jamming in frictionless packings of spheres: determination of the critical volume fraction Fatih Göncü*1, Orencio Duran1, Stefan Luding1 1University of Twente, Netherlands, 2Delft University of Technology, Netherlands Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am Laboratory studies of ice-particle collisions in Saturn’s dense rings Daniel Heißelmann*, Jürgen Blum, Kristin Wolling Institut für Geophysik und extraterrestrische Physik, Technische Universität Braunschweig, Germany Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Labyrinth Patterns in Confined and Tilted Granular-Fluid Systems Henning Arendt Knudsen*, Bjørnar Sandnes, Eirik Grude Flekkøy, Knut Jørgen Måløy University of Oslo, Dep. of Physics, Norway Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm Logarithmic strengthening of granular materials with rate Bob Behringer*1, Bulbul Chakraborty2, Silke Henkes2, Robert Hartley1, Dapeng Bi1 1Duke University, United States, 2Brandeis University, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Magnetofluidization of Fine Magnetite Particles M A S Quintanilla*, M J Espin, J M Valverde, A Castellanos University of Seville, Spain Thursday, July 16, 2009:  Session 6A: Granular Liquids  -  Thursday, July 16, 2009 9:00 am Material characteristics of clinker ash and examination of applicability for embankment Norimasa Yoshimoto2, Akifumi Nakashita3, Ryoji Ikeda3, Masayuki Hyodo2, Yoshitaka Wakatsuki*1 1Fukken co., ltd, Japan, 2Yamaguchi University, Japan, 3Energia Eco Materia co., ltd, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Mean force on a wall overflowed by dense granular avalanches: discrete numerical simulations Benoit CHANUT*, Thierry FAUG, Mohamed NAAIM Cemagref, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Measurement of Granular Material Packing Michael Bloom, Michael Russell, Aliaksei Kustau, Keicha Muriel, Shreekanth Mandayam, Beena Sukumaran* Rowan University, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Measurement of micro-polar effects in granular materials Matthew R. Kuhn*1, Ching S. Chang2 1University of Portland, United States, 2University of Massachusetts, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Measurement of the characteristics of a rapid dry granular flow Ying MA*1, Pascal PERROTIN1, Michel MOMMESSIN1, Jacky MAZARS2 1Université de savoie, France, 2INPG, France Thursday, July 16, 2009:  Session 6A: Granular Liquids  -  Thursday, July 16, 2009 9:00 am Mechanical and Hydraulic Properties of Wax-Coated Sands for Sport Surfaces Jean-Pierre Bardet*1, Cherifa Benazza1, Jean-Francois Bruchon1, Mayank Mishra1 1University of Southern California, United States, 2Ecole Normale Superieure de Cachan, France, 3Université de Cergy Pontoise, France, 4India Institute of Technology, India Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Mechanical behavior of "living quicksand": Simulation and Experiment Dirk Kadau*, Jose S. Andrade Jr., Hans J. Herrmann ETH Zurich, Switzerland Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Mechanical behavior of mixtures of circular and rectangular 2D particles Elli-Maria Charalampidou, Gaël Combe*, Gioacchino Viggiani, Jack Lanier Grenoble Universités, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Mechanical Failure of Grains in Sheared Granular Media: Effect of Size Ratio H Ahmadian*, A Hassanpour, S J Antony, M Ghadiri Institute of Particle Science and Engineering, University of Leeds, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Mechanical properties of compacts made with binary mixtures of pharmaceutical excipients of 3 different kinds Virginie Busignies*1, Pierre Evesque3, Patrice Porion2, Bernard Leclerc1, Pierre Tchoreloff1 1Centre d'Etudes Pharmaceutiques, France, 2CRMD, France, 3Lab MSSMat, umr8579 cnrs, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Mechanical Property of Fragile Lunar Soil Masami Nakagawa*, Tryana Garza-Cruz Colorado School of Mines, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Mechanical strength of humidified glass beads Carlos Soria-Hoyo, Jose Manuel Valverde, Antonio Castellanos* University of Seville, Spain Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Mechanichal behavior of a nonchesive packing at small deformations: deviation from Continuum Elasticity. El Hadji Bouya Amar1, Didier Clamond2, Nathalie Fraysse1, Jean Rajchenbach*1 1Laboratoire de Physique de la Matière Condensée, CNRS UMR 6622, Université de Nice, France, 2Laboratoire Jean-Alexandre Dieudonné, CNRS UMR 6621, Université de Nice, France Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Mechanistic Analysis and Computer Simulation of the Aerodynamic Dispersion of Loose aggregates: Effect of Surface Energy Graham Calvert*, Ali Hassanpour, Mojtaba Ghadiri Institute of Particle Science and Engineering, United Kingdom Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Memories in paste control crack patterns Akio Nakahara*, Atsunari Katsuki, Yousuke Matsuo Nihon University, Japan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Micromechanical analysis of water retention phenomenon Jean-Philippe Gras*, Jean-Yves Delenne, Fabien Soulié, Moulay Saïd El Youssoufi Université Montpellier 2, France Friday, July 17, 2009:  Session 8A: Cohesion  -  Friday, July 17, 2009 9:00 am Micromechanical aspects of granular ratcheting Fernando Alonso-Marroquin*2, Sergio-Andres Galindo-Torres2, Yucang Wang1 1ESSCC, The University of Queensland, Australia, 2MoSCoS, School of Physical Sciences, The University of Queensland, Australia Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm Micromechanics of Ultrafine Particle Adhesion – Contact Models Juergen Tomas Mechanical Process Engineering, Germany Friday, July 17, 2009:  Session 8A: Cohesion  -  Friday, July 17, 2009 9:00 am Microscopic rearrangements in a granular medium during compaction by thermal cycling Steven Slotterback*1, Leonard Goff1, Masahiro Toiya3, Jack Douglas2, Martin van Hecke4, Wolfgang Losert1 1University of Maryland: College Park, United States, 2National Institute of Standards and Technology, United States, 3Brandeis University, United States, 4Universiteit Leiden, Netherlands Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Micro-statics and micro-kinematics of capillary phenomena in dense granular materials Bruno Chareyre*, Luc Scholtes, Felix Darve Grenoble University, France Friday, July 17, 2009:  Session 8A: Cohesion  -  Friday, July 17, 2009 9:00 am Mixing and Segregation of Granular Materials in a Four-Bladed Mixer Brenda Remy*1, Johannes G. Khinast2, Benjamin J. Glasser1 1Rutgers University, United States, 2Graz University of Technology, Austria Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Mixing Study in a Multi-dimensional Motion Mixer. Roshan Shah, Seetha Manickam, Jason Tomei, Theodore Bergman, Bodhisattwa Chaudhuri* University of Connecticut, United States Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am Model for surface packing and aeolian transport on sand ripples Michel Louge*1, Alexandre Valance2, Ahmed Ould el-Moctar3, Dah Ould Ahmedou4, Pascal Dupont5 1Cornell University, United States, 2Universite de Rennes 1, France, 3Ecole Polytechnique de l'Universite de Nantes, France, 4Universite de Nouakchott, Mauritania, 5INSA, France Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm Model of sand transport by consecutive disk collisions on 2D disordered packing Luc OGER*, Madani AMMI, Alexandre VALANCE University of Rennes1, France Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm Modeling of Abrasion and Crushing of Unbound Granular Materials During Compaction Manuel Ocampo*, Bernardo Caicedo Universidad de Los Andes, Colombia Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Modeling of the behavior of granular bodies using DEM with contact moments Jan Kozicki*, Jacek Tejchman, Lukasz Widulinski Gdansk University of Technology, Poland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Modeling of the electrochemical conduction of partially sintered fuel cell electrodes by discrete simulations Ludwig Schneider1, Christophe Louis Martin*1, Didier Bouvard1, Yann Bultel2 1Laboratoire SIMaP – GPM2, Grenoble-INP/ UJF / CNRS, France, 2Laboratoire LEPMI, Grenoble-INP/ UJF / CNRS, France Monday, July 13, 2009:  Session 1A: Contemporary Issues  -  Monday, July 13, 2009 9:30 am Modeling the Collisional-Plastic Stress Transition for Bin Discharge of Granular Material Sreekanth Pannala*1, Charles Finney1, C. Stuart Daw1, Sofiane Benyahia2, Madhava Syamlal2, Thomas O'Brien2 1Oak Ridge National Laboratory, United States, 2National Energy Technology Laboratory, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Modeling the Deformation-Failure Mechanisms of Thin Hollow Glass Microspheres Tryana Garza-Cruz*, Masami Nakagawa Colorado School of Mines, United States Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Modelling of scale effects on the micromechanics of granular media under direct shear condition Jianfeng Wang*1, Marte Gutierrez2 1City University of Hong Kong, Hong Kong, 2Colorado School of Mines, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Monitoring The Evolution of Elastic Properties And Grain Rearrangements During Sintering With Sound Vincent Langlois*, Xiaoping Jia Université Paris Est, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm MR Elastography Studies of the 3D Force Chain Structure in Dense Granular Media: Distribution of Chain Lengths Lori Sanfratello*1, Eiichi Fukushima2 1New Mexico Resonance, United States, 2ABQMR, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm MRI Studies of the Influence of Particle Density in 3D, Size-Segregating, Banding, Rotating Drum Systems Lori Sanfratello*1, Eiichi Fukushima2 1New Mexico Resonance, United States, 2ABQMR, United States Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am Multiscale motion in the shear band of granular Couette flow Brian Utter*1, R. P. Behringer2 1James Madison University, United States, 2Duke University, United States Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm New perspectives for Discrete Element Modeling: Merging Computational Geometry and Molecular Dynamics. Fernando Alonso-Marroquin*3, Antoinette Tordesillas2, Yucang Wang1, Sergio-Andres Galindo-Torres3 1ESSCC, The University of Queensland, Australia, 2MGM, The University of Melbourne, Australia, 3MoSCoS, School of Physical Sciences, The University of Queensland, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Nonlinear, Statistical and Applied Physics of Solitary Wave-like Objects in Granular Systems Diankang Sun, Edgar Avalos, Robert doney, Robert Simion, Adam Sokolow, Surajit Sen* State University of New York at Buffalo, United States Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Numerical definition of the bouncing of a particle on a granular layer Franck Bourrier*1, François Nicot1, Félix Darve2 1Cemagref; UR ETNA, France, 2L3S-R; INPG-UJF-CNRS, France Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm Numerical Model for Ultra-fine Particles in the Absence and Presence of Gravity Meenakshi Dutt*1, James Elliott2 1University of Illinois at Urbana-Champaign, United States, 2University of Cambridge, United Kingdom Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Numerical Simulation of the Flow of Fine Particles in a Hopper Haiping Zhu*1, Kejun Dong1, Aibing Yu1, Ruiping Zou1, Gerald Roach2 1The University of New South Wales, Australia, 2Alcoa World Alumina, Australia Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am Numerical simulations of isostatic and die compaction of powder by the discrete element method Jerier Jean-François, Harthong Barthélémy, Imbault Didier, Donzé Frédéric-Victor*, Dorémus Pierre Laboratoire 3S-R, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Numerical Solution of Granular Hydrodynamics from Dilute, Fast to Dense, Quasi-Static Flow Arnulf Latz*, Sebastian Schmidt Fraunhofer Institut für Techno-Und Wirtschaftsmathematik, Germany Thursday, July 16, 2009:  Session 6A: Granular Liquids  -  Thursday, July 16, 2009 9:00 am Numerical Study of Effects of Powder Size and Polydispersity on the Dispersion of Fine Powders in a Cyclonic Flow Zhenbo Tong1, Runyu Yang*1, Aibing Yu1, Santoso Adi2, Hak-Kim Chan2 1Lab for Simulation and Modelling of Particulate Systems, School of Materials Science and Engineering, University of New Sou, Australia, 2Faculty of Pharmacy, University of Sydney, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Numerical Study of the Compaction of Granular Pastes Pierre-Emmanuel Peyneau*, Jean-Noël Roux Université Paris-Est, France Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Numerical Study of Wet Particle Flow in a Rotating Drum Peiyuan Liu, Ruiping Zou, Aibing Yu, Runyu Yang* Lab for Simulation and Modelling of Particulate Systems School of Materials Science and Engineering, University of New South Wales, Australia Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm On the internal structure, stress and strain of granular materials Xia Li*1, Hai-Sui Yu2 1Post-Doctoral Research fellow, the Nottingham Centre for Geomechanics, The university of Nottingham, United Kingdom, 2Dean of Engineering and Professor of Geotechnical Engineering, the University of Nottingham, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Overlapping Histogram method for testing Edward’s Statistical Mechanics of Powders Sean McNamara*, Patrick Richard, Sébastien Kiesgen de Richter, Gérard Le Caër, Renaud Delannay Université de Rennes I, France Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Packing fraction and compaction dynamics of magnetic powders Geoffroy Lumay*1, Nicolas Vandewalle1 1University of Liege, Belgium, 2F.R.S-FNRS, Belgium Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Particle Breakage in Agitated Dryers Colin Hare*1, Mojtaba Ghadiri1, Robert Dennehy2, Alan Collier2 1IPSE, University of Leeds, United Kingdom, 2GlaxoSmithKline Particle Sciences Group, United Kingdom Thursday, July 16, 2009:  Session 7B: Particle Properties  -  Thursday, July 16, 2009 3:45 pm Particle crushing in granular assemblies Adrian Russell*1, David Muir Wood2, Mamoru Kikumoto3 1University of New South Wales, Australia, 2University of Bristol, United Kingdom, 3Nagoya Institute of Technology, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Particle scale features in shearing of glass ballotini Danuta Lesniewska2, David Muir Wood*1, Magdalena Pietrzak3 1University of Bristol, United Kingdom, 2Institute of Hydro-Engineering, Polish Academy of Sciences, Poland, 3Koszalin University of Technology, Poland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Particle shape versus friction in granular jamming Lionel Pournin*, Michel Tsukahara, Thomas M. Liebling Ecole Polytechnique Fédérale de Lausanne - EPFL, Switzerland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Partition instabilities of a fluid-immersed, vibrated granular bed. Hector Pacheco-Martinez*, Christian Clement, Michael Swift University of Nottingham, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Pattern transitions in a granular fluid system Bjornar Sandnes*, Henning Knudsen, Knut Jorgen Maloy, Eirik Flekkoy University of Oslo, Norway Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm Penetration test modelling in a coarse granular medium Pierre BREUL*1, Miguel BENZ1, Roland GOURVES1, Gilles SAUSSINE2 1Blaise Pascal University, France, 2French railway company - SNCF, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Percussion of granular material by a single grain : Experiment and model. Jérôme Crassous, Alexandre Valance* University of Rennes, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Phase mixture models for the thermal conductivity of nanofluids and nanocrystalline solids Willi Pabst*, Eva Gregorova, Jan Hostasa ICT Prague, Czech Republic Monday, July 13, 2009:  Session 1B: Contemporary Issues/Jamming  -  Monday, July 13, 2009 10:45 am Photoelastic study of acoustic wave propagation in grains packings Xavier Noblin*, Guillaume Huillard, Jean Rajchenbach Laboratoire de Physique de la Matière Condensée, CNRS UMR6622, France Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Physical Characterization of Granular Components Used in Road Construction Pablo A. Arias-García1, María E. Médici2, Rodolfo O. Uñac1, Ana M. Vidales*1, Arcesio Lizcano-Peláez3 1INFAP CONICET, Universidad Nacional de San Luis, Argentina, 2Departamento de Minería, Universidad Nacional de San Luis, Argentina, 3Departamento de Ingeniería Civil y Ambiental, Universidad de los Andes, Colombia Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Plasticity of Granular Materials: a Structural-mechanics View Niels Kruyt1, Leo Rothenburg*2 1University of Twente, Netherlands, 2University of Waterloo, Canada Tuesday, July 14, 2009:  Session 3B: Continuum Modeling  -  Tuesday, July 14, 2009 11:00 am Pore-Scale Model for Water Retention in Unsaturated Sand William J. Likos University of Missouri, United States Friday, July 17, 2009:  Session 8A: Cohesion  -  Friday, July 17, 2009 9:00 am Porous structure of pharmaceutical tablets studied using PGSTE-NMR technique Patrice Porion1, Pierre Tchoreloff2, Virginie Busignies2, Bernard Leclerc2, Pierre Evesque*3 1CRMD CNRS, France, 2Centre d'Etudes Pharmaceutiques, France, 3Lab MSSMat, umr8579 cnrs, ECP, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Quantifying the Evolution of Soil Fabric Under Different Stress Paths Daniel Barreto*, Catherine O'Sullivan, Lidija Zdravkovic Imperial College London, United Kingdom Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am Quasistatic behavior and force transmission in packing of irregular polyhedral particles. Emilien Azema*1, Farhang Radjai2, Gilles Saussine3 1LMGC, Université Montpellier 2, France, 2LMGC, Université Montpellier 2, France, 3SNCF, France Monday, July 13, 2009:  Session 2A: Packings and Force Transmission Experiments  -  Monday, July 13, 2009 1:30 pm Quasi-static Compaction of Polyhedra by the Discrete Element Method Kyle Smith*1, Timothy Fisher1, Meheboob Alam1 1Purdue University, United States, 2Jawaharlal Nehru Centre for Advanced Scientific Research, India Monday, July 13, 2009:  Session 1A: Contemporary Issues  -  Monday, July 13, 2009 9:30 am Random Packing of Non-Spherical Granular Materials Andriy Kyrylyuk*, Albert Philipse Utrecht University, Netherlands Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Rebound kinematics of spheress resulting from oblique impacts Chuan-Yu Wu*, Colin Thornton, Long-Yuan Li University of Birmingham, United Kingdom Friday, July 17, 2009:  Session 9: Granular Gases  -  Friday, July 17, 2009 1:30 pm Rheological Transition in Two- and Three-Dimensional Granular Media Zahra Shojaaee*, Alexander Ries, Lothar Brendel, Dietrich Wolf University of Duisburg-Essen, Germany Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Rheology of Confined Granular Flows : from Gas to Glass Renaud Delannay*1, Jean-François Metayer1, Patrick Richard1, Alexandre Valance1, Michel Louge2 1Université Rennes1, France, 2Cornell University, United States Wednesday, July 15, 2009:  Session 5: Compaction  -  Wednesday, July 15, 2009 9:00 am Rheology of granular materials and sound emission near the jamming transition Pierre Mills*1, Francois Chevoir1 1Université Paris Est, UMR CNRS 8108, France, 2Université Paris Est,, France Tuesday, July 14, 2009:  Session 3A: Geomaterials, Soil-Testing and Jamming  -  Tuesday, July 14, 2009 9:00 am Rheology of weakly vibrated granular materials. Joshua Dijksman*, Geert Wortel, Martin van Hecke Leiden University, Netherlands Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Rheophysics of highly concentrated coarse-particle suspensions in a wide-gap Couette rheometer Sébastien Wiederseiner*, Nicolas Andreini, Christophe Ancey, Martin Rentschler Laboratoire d'Hydraulique Environnementale, Ecole Polytechnique Fédérale de Lausanne, Switzerland Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Role of the boundary conditions at the bed in aeolian sand transport Alexandre Valance*1, Rainier Hreiz2, Pascal Dupont3, Ahmed Ould El Moctar2 1University of Rennes 1, France, 2Laboratoire de Thermocinétique, Polytech' Nantes, France, 3LGCGM, INSA de Rennes, France Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Scaling Effects in Direst Shear Tests Andres Orlando1, Daniel Hanes2, Hayley Shen*1 1Clarkson University, United States, 2USGS Coastal and Marine Geology Program, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Segregation effects in rectangular piles built up by a moving injection device Federico Klein1, Jesica Benito2, Irene Ippolito1, Ana María Vidales*2 1Grupo de Medios Porosos - Facultad de Ingeniería - Universidad de Buenos Aires, Argentina, 2Instituto de Física Aplicada - Universidad Nacional de San Luis, Argentina Thursday, July 16, 2009:  Session 6B: Silos, Granulation, Mixing, and Segregation  -  Thursday, July 16, 2009 10:45 am Sequential random packings of spheres and ellipsoids Pedro Lind University of Lisbon, Portugal Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm shear band development in sandy soil beneath strip footing Yukio Nakata*1, Masayuki Hyodo1, Quio Hui1, Rolando Orense2, Naotaka Kikkawa2 1Yamaguchi University, Japan, 2The University of Auckland, New Zealand Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Shear Band Patterns in Biaxially Sheared Granular Media János Török1, Lothar Brendel*1, Dietrich E. Wolf1 1University Duisburg-Essen, Germany, 2Budapest University of Technology, Hungary Tuesday, July 14, 2009:  Session 4B: Bi-/Tri-axial/Shear Tests and Sound  -  Tuesday, July 14, 2009 4:30 pm Shear Instabilities in Bidisperse Granular Flows Axelle Amon*, Renaud Delannay, Alexandre Valance Institut de Physique de Rennes, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Shear strength and fabric properties in granular media with interlocked particles Nicolas Estrada*3, Alfredo Taboada1, Farhang Radjaï2 1Géosciences Montpellier, Université de Montpellier II - CNRS, France, 2LMGC, Université de Montpellier II - CNRS, France, 3Departamento de Ingeniería Civil y Ambiental, Universidad de los Andes, Colombia Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Shear strength and stress distribution in wet granular media Vincent Richefeu*1, Farhang Radjai2, Moulay Said El Youssoufi2 1L3S-R, France, 2LMGC UMR 5508, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Shear strength properties of thin three-dimensional polyhedral granular interface Vinicius ALVES-FERNANDES*, Christine FUNFSCHLLING, Gilles SAUSSINE SNCF, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Simple Probabilistic Modeling of Granular Jamming and Validation Using DEM Michel Tsukahara*, Lionel Pournin, Thomas M. Liebling Ecole Polytechnique Fédérale de Lausanne - EPFL, Switzerland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Simulating the Effects of Interparticle Cohesion in Micron-Scale Powders Otis Walton*, Scott Johnson Grainflow Dynamics, Inc., United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Simulation and Experimental Studies of Jamming for Model Two-Dimensional Particles Under Flow Alfredo Guariguata, David Wu*, Carolyn Koh, Amadeu Sum, Dendy Sloan Colorado School of Mines, United States Monday, July 13, 2009:  Session 1B: Contemporary Issues/Jamming  -  Monday, July 13, 2009 10:45 am Simulation of fragment scattering of concrete specimen subjected to high speed loading by distinct element method. Satoshi Katsuki*, Daisuke Haraki National Defense Academy, Japan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Simulation of polygonal grains in an incompressible Finite-Element-Fluid Yusuke Sakai, Jian Chen, Hans-Georg Matuttis* The University of Electrocommunications, Department of Mechanical Engineering and Intelligent Systems, Japan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Simulation of the Flow and Segregation of Particle Mixtures in Liquid Fluidization Z. Y. Zhou, A. B. Yu* Univ of New South Wales, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Simulation of the Fuel Reactor of a Coal-Fired Chemical Looping Combustor Kartikeya Mahalatkar1, Thomas O'Brien*2, E. David Huckaby2, John Kuhlman3 1ANSYS-Fluent, Inc., United States, 2National Energy Technology Laboratory, United States, 3West Virginia University, United States Monday, July 13, 2009:  Session 1A: Contemporary Issues  -  Monday, July 13, 2009 9:30 am Single metal particles nanoscale friction and wear Xing Ling, Michael Kappl* Max Planck Institute for Polymer Research, Germany Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Some Issues in Micromechanical Modeling for Granular Assembly Ching Chang*1, Pierre-Yves Hicher2 1University of Massachusetts, United States, 2Ecole Centrale Nantes - University of Nantes, France Tuesday, July 14, 2009:  Session 3B: Continuum Modeling  -  Tuesday, July 14, 2009 11:00 am Spatiotemporally Resolved Acoustics in a Photoelastic Granular Material Eli Owens*1, Stephanie Couvreur1, Karen Daniels1 1North Carolina State University, United States, 2Ecole Normale Superieuree, France Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Statistical Inference for Simulated Powders Jeffrey Picka University of New Brunswick, Canada Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Stick-slip and force chain buckling Antoinette Tordesillas, Maya Muthuswamy* University of Melbourne, Australia Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Stokes Cradle: Wetted Particle Collisions Carly Donahue*, Christine Hrenya, Robert Davis University of Colorado, United States Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Strain – Structure Relationship at Meso-scale for 2D Granular Material Ngoc Son Nguyen*, Hélène Magoariec, Alexandre Danescu Ecole Centrale de Lyon, France Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm Study of the Durability of the Demolition Aggregates on the Pavements Bachir Melbouci*, Fazia Boudjemia University Tizi-ouzou, Algeria Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Submerged-Flow Dynamics Of Granular Media In A Rotating Drum Hubert King*1, Paul Chaikin2, Deniz Ertas1, Arnold Kushnick1, Steven Meier1, Fuping Zhou1 1ExxonMobil Research and Engineering Co., United States, 2New York University, United States Thursday, July 16, 2009:  Session 7A: Suspensions  -  Thursday, July 16, 2009 1:45 pm The Discharge of Fine Powders from a Silo Shu-San Hsiau*1, Chin-Chi Hsu1, Jiri Smid2 1National Central University, Taiwan, 2Institute of Nuclear Energy Research, Atomic Energy Council, Taiwan Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm The dynamics of spheres in oscillatory fluid flows. Michael Swift*, Daphne Klotsa, Helen Wright, Roger Bowley, Peter King University of Nottingham, United Kingdom Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm The Effect of Particle Size Dispersity in Dense Granular Packings on the Void Structure and the Interparticle Contact Frictional State Meenakshi Dutt*1, James Elliott2 1University of Illinois at Urbana-Champaign, United States, 2University of Cambridge, United Kingdom Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm The flow of granular matter under reduced-gravity conditions Jürgen Blum, Paul Hofmeister, Daniel Heißelmann* Institut für Geophysik und extraterrestrische Physik, TU Braunschweig, Germany Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm The Generalized Theory of Granular Packings as a Model for Studying the Portland Cement and Concrete Behavior Calixtro Yanqui San Agustin National University of Arequipa, Peru Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm The influence of size segregation in particle-fluid flows Michele Larcher*1, James T. Jenkins2 1University of Trento, Italy, 2Cornell University, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm The micro-macro connection for a dry sand: Oedometric test, Bauer’s law and the microscopic dependence of two hypoplastic parameters. William Fernando Oquendo1, Jose Daniel Muñoz*1, Arcesio Lizcano2 1Grupo Simulación de Sistemas Físicos, Universidad Nacional de Colombia, Colombia, 2Grupo de Geotecnia, Universidad de Los Andes, Colombia Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm The pursuit of loosest packing Tomaso Aste*, Gary Delaney, Tiziana Di Matteo The Australian National University, Australia Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm The Quantitative Mineralogy of Granular Materials Karin Hoal*, Jane Stammer, Sarah Appleby Advanced Mineralogy Research Center, United States Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm The Role of Turbulence on the Initiation of Sediment Movement Panayiotis Diplas*1, Clint Dancey2, Manousos Valyrakis1, Ozan Celik1, Krista Greer1 1Dept. of Civil Engineering, Virginia Tech, United States, 2Dept. of Mechanical Engineering, Virginia Tech, United States Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am The spreading of a granular column from a Bingham point of view Christophe Josserand1, Pierre-Yves Lagrée1, Daniel Lhuillier1, Stéphane Popinet2, Pascal Ray1, Lydie Staron*1 1IJLRDA, CNRS - Université Paris 6, France, 2National Institute of Water & Atmospheric Research, New Zealand Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Three dimensional particle rearrangements during slow granular shear flow in a split bottom geometry Wolfgang Losert*1, Krisztian Ronaszegi1, Steven Slotterback1, Joshua Dijksman2, Joost Weijs3 1University of Maryland, United States, 2Universiteit Leiden, Netherlands, 3University of Twente, Netherlands Tuesday, July 14, 2009:  Session 4A: Bi-/Tri-axial and Shear Tests  -  Tuesday, July 14, 2009 2:30 pm Towards a Dynamical Collision Model of Highly Porous Dust Aggregates Carsten Güttler*1, Maya Krause1, Ralf Geretshauser2, Roland Speith2, Jürgen Blum1 1Institut für Geophysik und extraterrestrische Physik, TU Braunschweig, Germany, 2Institut für Astronomie und Astrophysik, Universität Tübingen, Germany Friday, July 17, 2009:  Session 8B: Particles and Gas/Fluid  -  Friday, July 17, 2009 10:45 am Towards event-driven simulation of static sphere packings Sebastian Gonzalez*1, Dino Risso2, Rodrigo Soto3 1University of Twente, Netherlands, 2Universidad del Bio-Bio, Chile, 3Universidad de Chile, Chile Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Transitions in the response of a granular layer Allbens P. F. Atman*1, Philippe Claudin2, Gaël Combe3, Chay Goldenberg2, Isaac Goldhirsch4 1Departamento de Física e Matemática, CEFET-MG, Brazil, 2Laboratoire de Physique et Mécanique des Milieux Hétérogènes, ESPC, France, 3Laboratoire Interdisciplinaire de Recherche Impliquant la Géologie et la Mécanique, France, 4Department of Fluid Mechanics and Heat Transfer, Department of Fluid Mechanics, Israel Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm Unjamming granular materials: “Such sweet jams meticulously jarred” Nicolas Rivier IPCMS, Université Louis Pasteur, France Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Using Nonconvex Discrete Elements to Predict Experimental Behaviour of Granular Materials philippe Gotteland*1, pascal Villard1, christophe Salot2 1Grenoble Universities, France, 2BG Ing.Conseils SA, Switzerland Monday, July 13, 2009:  Poster Session I  -  Monday, July 13, 2009 6:00 pm - 7:30 pm Validation of a DEM granular flow model aimed at forecasting snow avalanche pressure Lionel Favier*1, Dominique Daudon1, Frédéric-Victor Donzé1, Jacky Mazars2 1Université Joseph Fourier (UJF), France, 2Institut National Polytechnique Grenoble (INPG), France Monday, July 13, 2009:  Session 2B: Force Transmission Simulation and Theory  -  Monday, July 13, 2009 3:45 pm What is "granularity" of highly compacted granular systems. Soichi Tatsumi*, Masaki Sano The University of Tokyo, Japan Thursday, July 16, 2009:  Poster Session II  -  Thursday, July 16, 2009 5:45 pm