On June 28, Underline will deliver emails to all registered participants to grant access to the conference system. If you are registered and you do not receive your access email shortly after this date, contact the organizers at pg2021@powdersandgrains.org

EPJ-WoC has published the P&G 2021 proceeding. The new volume is available here

Dates and Time Zones

  Buenos Aires Europe CEST
Tokyo New Delhi
July 05 (Mon)
10.00-16.00 15.00-21.00 22.00-04.00+1 18.30-00.30+1
  July 13 (Tue)
05.00-11.00 10.00-16.00 17.00-23.00 13:30-19.30
  July 21 (Wed)
22.00-1-04.00 03.00-09.00 10.00-16.00 06.30-12.30
  July 29 (Thu)
01.30-07.30 06.30-12.30 13.30-19.30 10.00-16.00
Aug 06 (Fri)
10.00-16.00 15.00-21.00 22.00-04.00+1 18.30-00.30+1

-¹ This time corresponds to the previous day
+¹ This time corresponds to the following day

Program

Q&A sessions only provide 6 min for the discussion of each talk. During the week preceding the gathering day, all participants are expected to watch the corresponding talks and pose questions in writing in the Underline platform. Participants can also vote for questions that are interesting so these are asked first by the chair of the session during the Q&A live time. 

Participants can visit the poster gallery and pose questions in writing there at any time. The Break & Posters sessions are to visit the poster presenters to discuss via video calls and to have informal discussions with your colleagues in the lounge area.

Monday, July 5, 2021 10:00 – 16:00 BUENOS AIRES
  Welcome     10:00

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  INVITED TALK 1 Tribo-charging effects on granular growth and its relevance for planet formation Nicolás Mujica 10:15
  Break & Posters     10:55
  Q&A session 1 Seismic waves in the asteroid environment Paul Sánchez 11:40
    Axisymmetric landslides on top-shaped asteroids Kumar Gaurav 11:46
    Probing regolith-covered surfaces in low gravity Jonathan Kollmer 11:52
    Correlating the force network evolution and dynamics in slider experiments Lou Kondic 11:58
    Reproducing laboratory earthquakes with a discrete-continuum model Guilhem Mollon 12:04
    Stress and force measurement uncertainties in 3D granular materials Ryan C. Hurley 12:10
    Dilatancy of frictional granular materials under oscillatory shear with constant pressure Daisuke Ishima 12:16
    A micro-mechanical compaction model for granular mix of soft and rigid particles Manuel Cárdenas 12:22
    Optimal packing in 2D and 3D granular systems: density, connectivity, and force distributions William Oquendo 12:28
    Dynamical arrest of topological defects in 2D hyperuniform disk packings Sungyeon Hong 12:34
  Break & Posters     12:40
  INVITED TALK 2 Predicting avalanches in granular materials from ‘vibrational’ modes Lisa Manning 13:40
  Break & Posters     14:20
  Q&A session 2 Dynamics of undeforming regions in the lead up to failure: jumping scales from lab to field Antoinette Tordesillas 15:00
    Robust experimental study of avalanche precursory events based on reproducible cycles of grain packing destabilizations Luc Oger 15:06
    Non-monotonic dependence of avalanche durations on particle velocities in the discharge of a silo Diego Gella 15:12
    Dilation as a precursor in a continuous granular fault Osvanny Ramos 15:18
    Effects of interparticle friction on the response of 3D cyclically compressed granular material Anton Peshkov 15:24
    Deformations of a 2D Elastica under a random distribution of normal loads Evelyne Kolb 15:30
    An experimental study on shear bands in sand using the orthogonal cutting setup Tejas Murthy 15:36
    A landslide granular phase transition Rory T. Cerbus 15:42
    Patterns formed by chains of magnetic beads Hans J. Herrmann 15:48
    Embedded inertial sensor for tracking projectile impact on granular media Kai Huang 15:54
           
Tuesday, July 13, 2021 05:00 – 11:00 BUENOS AIRES
  Welcome     05:00

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  INVITED TALK 3 Constitutive modeling of time-dependent flows in dense frictional suspensions Mike Cates 05:15
  Break & Posters     05:55
  Q&A session 3 Evidence of a non-local φ(I) response James Robinson 06:40
    The performance of the μ(I)-rheology model on flat bottom silos discharge Cesar Venier 06:46
    Discharge of soft and hard grains and their mixtures from 2D silos Kirsten Harth 06:52
    Shearing of granular materials in a confined split-bottom Couette cell Mahnoush Madani 06:58
    The effect of boundary roughness on dense granular flows Farnaz Fazelpour 07:04
    Mechanically driven active and passive grains as models for egress dynamics Ralf Stannarius 07:10
    Improved evaluation of granular media flows using an X-ray scanning compatible cone-plate setup Zohreh Farmani 07:16
    Sidewall friction in confined surface flows of granular materials Patrick Richard 07:22
    Micromechanics of slow granular flows Ravi Gautam 07:28
    Discharge of a granular silo under mechanical vibrations Arthur Pascot 07:34
  Break & Posters     07:40
  INVITED TALK 4 A brief review of (multi-scale) modelling approaches to segregation Anthony Thornton 08:40
  Break & Posters     09:20
  Q&A session 4 Forced segregation in binary granular mixtures Salvatore Pillitteri 10:00
    Exploring shear-induced segregation in controlled-velocity granular flows Lu Jing 10:06
    Shear-driven density segregation: an experimental study Monica Tirapelle 10:12
    Mechanisms of size segregation in granular flows with different ambient fluids Kahlil Fredrick Cui 10:18
    Designing non-segregating granular mixtures Yifei Duan 10:24
    How universal is the vibration-velocity controlled granular convection? Ko Okumura 10:30
    Measuring jumps during granular chute-flows using X-ray radiography Thierry Faug 10:36
    DEM simulations of quasi-two-dimensional flow of spherical particles on a heap without sidewalls Neiladri Sekhar Ray 10:42
    Shear-induced diffusion: the role of granular clusters Pierre Rognon 10:48
    Rheology of soft granular materials: uniaxial compression Saeid Nezamabadi 10:54
           
Wednesday, July 21, 2021 22:00⁻¹ – 04:00 BUENOS AIRES
  Welcome     22:00⁻¹

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  INVITED TALK 5 Multiscale modeling of granular media for geomechanics and beyond Jidong Zhao 22:15⁻¹
  Break & Posters     22:55⁻¹
  Q&A session 5 Elastic wave velocity and attenuation in granular material Fan Jia 23:40⁻¹
    Rattlers’ involvement for possibly looser critical states under higher mean stress Sacha Duverger 23:46⁻¹
    Anisotropic nature of the capillary stress tensor Mojtaba Farahnak 23:52⁻¹
    Coupled DEM-FDM simulation of cone penetration tests in coarse grained soils Mussie Kidane 23:58⁻¹
    Evolution of rattling particles in deviatoric shear deformation of granular material Zhifu Shen 00:04
    Direct numerical simulation of wave propagation in saturated random granular packings using coupled LBM-DEM Hongyang Cheng 00:10
    Implementation of numerically exact Coulomb friction for discrete element simulations in three dimensions Jan Mueller 00:16
    DEM modelling of 3D polyhedra with applications to gabion rockfall barriers Yifei Ma 00:22
    DEM modelling of swelling of grains Domenica Braile 00:28
    Solute transport by suspended buoyant particles Alejandro Boschan 00:34
  Break & Posters     00:40
  INVITED TALK 6 Unified theory for granular and gas-solid suspensions Meheboob Alam 01:40
  Break & Posters     02:20
  Q&A session 6 Magnetically heated granular gas in a low-gravity environment Peidong Yu 03:00
    Continuously heated granular gas of elongated particles Tivadar Pongó 03:06
    Stability of the homogeneous steady state for a model of a confined quasi-two-dimensional granular fluid Rodrigo Soto 03:12
    To be announced   03:18
    Non-monotonic Mpemba effect in binary molecular suspensions Rubén Gómez 03:24
    Hydraulic transport regimes of grains in a millifluidic confinement Guillaume Dumazer 03:30
    Effect of the coefficient of restitution and friction in the granular Leidenfrost effect in the absence of gravity. A numerical study Daniel Nasato 03:36
    Avoiding chaos in granular dampers M. Victoria Ferreyra 03:42
    A procedure to join the force and volume ensemble statistical descriptions of granular media Juan Sebastian Rey 03:48
    Analytical and DEM studies of thermal stress in granular materials Tokio Morimoto 03:54
  ⁻¹ This time corresponds to the previous day (Tuesday, July 20)
           
Thursday, July 29, 2021 01:30 – 07:30 BUENOS AIRES
  Welcome     01:30

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  INVITED TALK 7 The role of granular materials in the energy challenge Carlos Santamarina 01:45
  Break & Posters      
  Q&A session 7 Revisiting Hardin’s parameters for the quantification of particle breakage – A statistical entropy approach James Leak 03:10
    Effect of particle shape on particle breakage inside rotating cylinders Luisa Orozco 03:16
    Strength and energy consumption of inherently anisotropic rocks at failure David Cantor 03:22
    DEM investigation of the effect of particle breakage on compact properties Dazhao Gou 03:28
    Grain size effect on the compression and relaxation of a granular column: solid particles vs dust agglomerates Felipe Pacheco 03:34
    Energy dissipation due to breakage during confined compaction of granular materials Brett Kuwik 03:40
    High compressibility caused by particle breakage: a DEM investigation Marta Stasiak 03:46
    On water waves generated by gravity driven granular collapse Wladimir Sarlin 03:52
    Granular impacts: how far the Boussinesq model can go? Francisco Martinez 03:58
    Influence of the particle shape on the impact force of lahar on an obstacle Rime Chehade 04:04
  Break & Posters     04:10
  INVITED TALK 8 Flows of cohesive granular media Olivier Pouliquen 05:10
  Break & Posters     05.50
  Q&A session 8 Quasistatic response of loose cohesive granular materials Jean-Noël Roux 06:30
    Time scales and rheology of visco-cohesive granular flows Farhang Radjai 06:36
    Cohesion of bird nests Ignacio Andrade 06:42
    Detecting vorticity in cohesive deformable granular material Olivier Bouillanne 06:48
    A one parameter damageable contact law for DEM, with application to frictional-cohesive granular materials Cyrille Couture 06:54
    The effect of cohesion on the discharge of a granular material through the orifice of a silo Adrien Gans 07:00
    Wet rolling stones: growth of a granular aggregate under flow Pierre Jop 07:06
    An investigation of collisions of liquid coated particles Megan Danczyk 07:12
    The effect of liquid viscosity on sliding friction coefficient of wet granular materials Mojgan Aliasgari 07:18
    Taming the Janssen effect Louison Thorens 07:24
           
Friday, August 6, 2021 10:00 – 16:00 BUENOS AIRES
  Welcome     10:00

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  INVITED TALK 9 Resuspension processes in a wide range of particle sizes Ana María Vidales 10:15
  Break & Posters     10:55
  Q&A session 9 Particles bed morphology under an oscillating stiff and flexible plates Anna Prati 11:40
    Toward a large-scale particle-based parallel simulator of Aeolian sand transport, including a model for mobile sand availability Sandesh Kamath 11:46
    Energy dissipation of a particle colliding on a flat surface M. Alejandra Aguirre 11:52
    Dynamics of two particles on a vertically driven plate Jeffrey Olafsen 11:58
    Modelling realistic ballast shape to study the lateral pull behaviour using GPU computing François Nader 12:04
    Structural characteristics of ordered clusters in packs of ellipses Xiaoyu Jiang 12:10
    Self-assembly of self-propelled magnetic grains Marcos A. Madrid 12:16
    Planar column collapse of elongated grains Miguel Cabrera 12:22
    Impact of sample scaling on shear strength: coupled effects of grains size and shape Sandra Linero-Molina 12:28
    Contact evolution in granular materials with inherently anisotropic fabric Gustavo Pinzón 12:34
  Break & Posters     12:40
  INVITED TALK 10 Tackling fundamental questions in particle flows, courtesy of industry Christine Hrenya 13:40
  Break & Posters     14:20
  Q&A session 10 Neck growth kinetics during polymer sintering for powder-based processes Juan E Alvarez 14:45
    Influence of the coefficient of restitution on the classification of granite sand using an elutriator Eugenia Borsa 14:51
    Friction-induced heat generation between two particles Francisco Kisuka 14:57
    Investigation of laser-powder interaction in laser powder bed fusion process in additive manufacturing Erlei Li 15:03
    Analysis of hold-up and grinding pressure in a spiral jet mill using CFD-DEM Lewis Scott 15:09
    Granular-slurry rheology and asphalt compaction Kimberly Hill 15:15
    Evaluation of flowability for granulated powder using a test of powder discharge by pressurized air Koichiro Ogata 15:21
    X-ray tomographies of a water-sensitive granular material (couscous) exposed to high relative humidity: an experimental study Ilija Vego 15:27
  Closing Poster video prize   15:33