Université Paris-Est
Ecole des Ponts ParisTech


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Abdoulaye FALL

Research Scientist (CNRS)
Soft matter physicist

Tel : (+33) 1 81 66 84 75

Office K223


Laboratoire Navier - 2 allée Kepler

77420 Champs sur Marne, France

I’m working on unsaturated granular materials and in particular on their rheological behavior. I seek to determine the mechanical behavior in the solid and flow regimes of granular material attached by a non-saturating liquid, which occurs through its viscosity and capillary effects. Such materials, intermediate between dry granular assemblies and highly concentrated suspensions, will be studied experimentally since the microstructure to macroscopic behavior.


Specialties : ➡ Expertise

‣ Granular materials

‣ Micellar solutions, Gels, Polymer

‣ Granular suspensions, Building materials (plaster, cement, concrete...)


‣ Rheology, Micro-rheology, Local Rheology by MRI

‣ Confocal imaging

‣ Drying of colloidal suspensions


  • A. Fall et al. "Sliding friction on Wet and Dry Sand" Physical Review Letters 112, 175502 (2014)
  • A. Fall et al. "Rheology of sedimenting particle pastes" Journal of Rheology 57, 1237 (2013)
  • K. van der Vaart et al. "Dark chocolate’s compositional effects revealed by oscillatory rheology" European Food Research Technology 236:931-942, (2013)
  • J. E. Fiscina et al. "Dissipation in quasistatically sheared wet and dry sand under confinement" Physical Review E 86, 020103(R) (2012)
  • M. Habibi et al. "Pattern formation by dewetting and evaporating suspensions" Soft Matter 8, 4682-4686 (2012)
  • A. Fall and D. Bonn "Shear thickening of Laponite suspension with polyethylene(oxide)" Soft Matter 8, 4645-4651 (2012)
  • A. Fall et al. "Shear thickening of cornstarch suspension" Journal of Rheology 56(3), 575-591 (2012)
  • A. Fall et al. "Yielding and shear banding in soft glassy materials" Physical Review Letters 105, 225502 (2010)
  • A. Fall et al "Shear thickening and Migration in granular suspensions" Physical Review Letters 105, 268303 (2010)
  • P. Moller, A. Fall et al. "An attempt to categorize yield stress fluid behavior" Royal Society A 367, 5139–5155 (2009)
  • A. Khaldoun et al. "Quick Clay and Landslides of Clayey Soils" Physical Review Letters 103, 188301 (2009)
  • P. Moller, A. Fall and D. Bonn "Origin of apparent viscosity in yield stress fluids below yielding" Europhysics Letters 87, 38004 (2009)
  • A. Fall et al. "Yield stress and shear-banding in granular suspensions" Physical Review Letters 103, 178391 (2009)
  • A. Fall et al. "Shear thickening of cornstarch suspension as a reentrant jamming transition" Physical Review Letters 100, 018301 (2008)

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