Continuum modelingof granular and gas-solid flows generally involves the use of a kinetic-
theory (KT) model for the particulate phase, and the most widely used KT models have been …

Using the results of recent numerical simulations, we extend an existing kinetic theory for
dense flows of identical, nearly elastic, frictionless spheres to identical, very dissipative …

We employ kinetic theory, extended to incorporate the influence of velocity correlations,
friction and particle stiffness, and a model for rate-independent, elastic components of the …

We use previous results from discrete element simulations of simple shear flows of rigid,
identical spheres in the collisional regime to show that the volume fraction-dependence of …

The development of an applicable theory for granular matter—with both qualitative and
quantitative value—is a challenging prospect, given the multitude of states, phases and …

Previous results of discrete simulations of steady, unidirectional particle flows, here collected
and critically reanalyzed, permit to make the case that the kinetic theory of granular gases …

We extend models for granular flows based on the kinetic theory beyond the critical volume
fraction at which a rate-independent contribution to the stresses develops. This involves the …

Simple homogeneous shear flows of frictionless, deformable particles are studied by particle
simulations at large shear rates and for differently soft, deformable particles. Particle stiffness …

We consider the evolution of particle segregation in collisional flows of two types of spheres
down rigid bumpy inclines in the absence of sidewalls. We restrict our analysis to dense …

We report on measurements of self-diffusion coefficients in discrete numerical simulations of
steady, homogeneous, collisional shearing flows of nearly identical, frictional, inelastic …