48 citations · 135 across the 18 of their papers we have counts for
7 papers · 1 filter
Hydrodynamic Origin of Friction Between Suspended Rough Particles
Jake Minten, Bhargav Rallabandi
Tangential interactions between particles play a central role in suspension rheology. We show theoretically that these interactions, often attributed to contact friction, are a dir…
Enhancement and Suppression of Active Particle Movement Due to Membrane Deformations
Adam Hitin Bialus, Bhargav Rallabandi, Naomi Oppenheimer
Microswimmers and active colloids often move in confined systems, including those involving interfaces. Such interfaces, especially at the microscale, may deform in response to the…
Non-monotonic frictional behavior in the lubricated sliding of soft patterned surfaces
Arash Kargar-Estahbanati, Bhargav Rallabandi
We study the lubricated contact of sliding soft surfaces that are locally patterned but globally cylindrical, held together under an external normal force. The local patterns repre…
CO-driven diffusiophoresis for removal of bacteria
Suin Shim, Sepideh Khodaparast, Ching-Yao Lai +5
We investigate CO-driven diffusiophoresis of colloidal particles and bacterial cells in a Hele-Shaw geometry. Combining experiments and a model, we understand the characteristi…
Rotation of a submerged finite cylinder moving down a soft incline
Baudouin Saintyves, Bhargav Rallabandi, Theo Jules +5
A submerged finite cylinder moving under its own weight along a soft incline lifts off and slides at a steady velocity while also spinning. Here, we experimentally quantify the ste…
Curvature regularization near contacts with stretched elastic tubes
Bhargav Rallabandi, Joel Marthelot, P. -T. Brun +1
Bringing a rigid object into contact with a soft elastic tube causes the tube to conform to the surface of the object, resulting in contact lines. The curvature of the tube walls n…
Surfing its own wave: hydroelasticity of a particle near a membrane
Bhargav Rallabandi, Naomi Oppenheimer, Matan Yah Ben Zion +1
We show using theory and experiments that a small particle moving along an elastic membrane through a viscous fluid is repelled from the membrane due to hydro-elastic forces. The v…