280 citations · 4k across the 93 of their papers we have counts for
12 papers · 1 filter
Inertial migration of a deformable particle in pipe flow
Dhiya Alghalibi, Marco E. Rosti, Luca Brandt
We perform fully Eulerian numerical simulations of an initially spherical hyperelastic particle suspended in a Newtonian pressure-driven flow in a cylindrical straight pipe. We stu…
The effect of a wall on the interaction of two spheres in shear flow: Batchelor-Green theory revisited
Itzhak Fouxon, Boris Rubinstein, Zhouyang Ge +2
The seminal Batchelor-Green's (BG) theory on the hydrodynamic interaction of two spherical particles of radii a suspended in a viscous shear flow neglects the effect of the boundar…
On the effect of coalescence on the rheology of emulsions
Francesco De Vita, Marco Edoardo Rosti, Sergio Caserta +1
We present a numerical study of the rheology of a two-fluid emulsion in dilute and semidilute conditions. The analysis is performed for different capillary numbers, volume fraction…
A volume-of-fluid method for interface-resolved simulations of phase-changing two-fluid flows
Nicolò Scapin, Pedro Costa, Luca Brandt
We present a numerical method for interface-resolved simulations of evaporating two-fluid flows based on the volume-of-fluid (VoF) method. The method has been implemented in an eff…
The effect of elastic walls on suspension flow
Marco Edoardo Rosti, Mehdi Niazi Ardekani, Luca Brandt
We study suspensions of rigid particles in a plane Couette flow with deformable elastic walls. We find that, in the limit of vanishing inertia, the elastic walls induce shear thinn…
Interface-resolved simulations of small inertial particles in turbulent channel flow
Pedro Costa, Luca Brandt, Francesco Picano
We present a direct comparison between interface-resolved and one-way-coupled point-particle direct numerical simulations (DNS) of gravity-free turbulent channel flow laden with sm…
Finite-size spherical particles in a square duct flow of an elastoviscoplastic fluid: an experimental study
Sagar Zade, Tafadzwa John Shamu, Fredrik Lundell +1
The present experimental study addresses the flow of a Yield Stress Fluid with some elasticity (Carbopol gel) in a square duct. The behaviour of two fluids with lower and higher yi…
Numerical study of filament suspensions at finite inertia
Arash Alizad Banaei, Marco Edoardo Rosti, Luca Brandt
We present a numerical study on the rheology of semi-dilute and concentrated filament suspensions of different bending stiffness and Reynolds number, with the immersed boundary met…
Buoyancy-driven flow through a bed of solid particles produces a new form of Rayleigh-Taylor turbulence
G. Sardina, L. Brandt, G. Boffetta +1
Rayleigh--Taylor fluid turbulence through a bed of rigid, finite-size, spheres is investigated by means of high-resolution Direct Numerical Simulations (DNS), fully coupling the fl…
Numerical Simulations of Vorticity Banding of Emulsions in Shear Flows
Francesco De Vita, Marco Edoardo Rosti, Sergio Caserta +1
Multiphase shear flows often show banded structures that affect the global behavior of complex fluids e.g. in microdevices. Here we investigate numerically the banding of emulsions…
Droplets in homogeneous shear turbulence
Marco E. Rosti, Zhouyang Ge, Suhas S. Jain +2
We simulate the flow of two immiscible and incompressible fluids separated by an interface in a homogeneous turbulent shear flow at a shear Reynolds number equal to 15200. The visc…
The breakdown of Darcy's law in a soft porous material
Marco E. Rosti, Satyajit Pramanik, Luca Brandt +1
We perform direct numerical simulations of the flow through a model of a deformable porous medium. Our model is a two-dimensional hexagonal lattice, with defects, of soft elastic c…