48 citations · 150 across the 5 of their papers we have counts for
4 papers · 1 filter
Unsteady flow, clusters and bands in a model shear-thickening fluid
Shibu Saw, Mathias Grob, Annette Zippelius +1
We analyse the flow curves of a two-dimensional assembly of granular particles which are interacting via frictional contact forces. For packing fractions slightly below jamming, th…
Rheological Chaos of Frictional Grains
Matthias Grob, Annette Zippelius, Claus Heussinger
A two-dimensional dense fluid of frictional grains is shown to exhibit time-chaotic, spatially heterogeneous flow in a range of stress values, , chosen in the unstable region of…
Active Microrheology of Driven Granular Particles
Ting Wang, Matthias Grob, Annette Zippelius +1
When pulling a particle in a driven granular fluid with constant force , the probe particle approaches a steady-state average velocity . This velocity and the correspond…
Jamming of Frictional Particles: a Non-equilibrium First Order Phase Transition
Matthias Grob, Claus Heussinger, Annette Zippelius
We propose a phase diagram for the shear flow of dry granular particles in two dimensions based on simulations and a phenomenological Landau-theory for a nonequilibrium first order…