8 citations · 11 across the 5 of their papers we have counts for
3 papers · 1 filter
Symmetry-Constrained Exact Coherent Structures in Plane Poiseuille Flow
Akshit Nanda, Ritabrata Thakur
Turbulence in wall-bounded shear flows is increasingly understood through exact coherent structures (ECS) -- invariant solutions of the Navier-Stokes equations that act as organisi…
Viscosity variation in fluid flows across scale
Arjun Sharma, Ritabrata Thakur, Sharath Jose +1
A wide range of natural and engineered fluid flows exhibit spatial or temporal viscosity variations, spanning scales from microbial locomotion to planetary mantle convection. These…
Early evolution of optimal perturbations in a viscosity-stratified channel
Ritabrata Thakur, Arjun Sharma, Rama Govindarajan
This work shows how the early stages of perturbation growth in a viscosity-stratified flow are different from those in a constant-viscosity flow, and how nonlinearity is a crucial…