Non-Brownian suspension in a viscoelastic matrix simulated with an Oldroyd-B model. Local elongation field (Tr[c], c: polymer conformation tensor).
Solid volume fraction phi=0.1; Deborah number De=0.5.
Read more: Shear thickening of a non-colloidal suspension with a viscoelastic matrix, J. Fluid Mechanics 880, 1070-1094 (2019) doi
Chain of magnetic particles interacting with an external rotating magnetic field at the breakup frequency. Velocity field.
Read more: Theory and simulation of the dynamics, deformation, and breakup of a chain of superparamagnetic beads under a rotating magnetic field Phys. Fluids 29 032006 (2017) doi
Particles immersed in viscoelastic liquid settling in a square channel. Velocity field.
Read more: SPH modeling and simulation of spherical particles interacting in a viscoelastic matrix , Phys. Fluids 29 121609 (2017) doi
Suspension of particles in a Newtonian fluid. Shear-thinning and hidden non-Newtonian high-shear lubrication effects.
Solid volume fraction 0.4.
Read more: Shear Thinning of Noncolloidal Suspensions, Phys. Rev. Lett. 117, 108001 (2016) doi
Multiscale simulations of complex fluids. Lagrangian Heterogeneous Multiscale Method (L-HMM).
Read more: Generalized Lagrangian Heterogenous Multiscale Modeling of Complex Fluids. J. Fluid Mechanics, 969, (2023). doi
Star-shaped colloids hydrodynamically interacting in a shear flow.
Read more: FB Usabiaga,M Ellero (2024), Rheology of moderately dilute suspensions of star colloids: the shape factor, Phys. Fluids, 36, 053321 doi.