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MPIDS Colloquium

MPIDS Colloquium: Soft and Wet is Different

  • Date: Jun 19, 2019
  • Time: 14:15 - 15:15
  • Speaker: Prof. Thomas Salez
  • CNRS research associate, University of Bordeaux, France and Hokkaido University, Japan
  • Location: Max-Planck-Institut für Dynamik und Selbstorganisation (MPIDS)
  • Room: Prandtl Lecture Hall
  • Host: MPIDS
  • Contact: oliver.baeumchen@ds.mpg.de
Soft and wet contact arises in a range of phenomena that spans many length and time scales, and includes: landslides, aquaplaning of tires, wear of industrial bearings, ageing of synovial and cartilaginous joints, cell motion in blood vessels or microfluidic devices, and atomic-force or surface-force rheology. Therein, the coupling between boundary elasticity and confined viscous flow leads to a striking zoology of counterintuitive emergent effects. From the canonical situation of a free particle that can simultaneously sediment, slide, and roll in a viscous fluid, and near a soft wall, we study a range of novel inertial-like (despite the low-Reynolds-number ow) features, such as: enhanced sedimentation, elastohydrodynamic bouncing, roll reversal, emergent lift and torque...
 
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