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physics.flu-dyn2024
Linear instability in thermally-stratified quasi-Keplerian flows
Dongdong Wan, Rikhi Bose, Mengqi Zhang +1
Quasi-Keplerian flow, a special regime of Taylor-Couette co-rotating flow, is of great astrophysical interest for studying angular momentum transport in accretion disks. The well-k…
physics.flu-dyn2023
Mixed mode transition in boundary layers: Helical instability
Rikhi Bose, Paul A. Durbin
Recent (Bose \& Durbin, \textit{Phys. Rev. Fluids}, 1, 073602, 2016) direct numerical simulations (DNS) of adverse- and zero-pressure-gradient boundary layers beneath moderate leve…
physics.flu-dyn2023★ 10 cited
Accurate deep learning sub-grid scale models for large eddy simulations
Rikhi Bose, Arunabha M. Roy
We present two families of sub-grid scale (SGS) turbulence models developed for large-eddy simulation (LES) purposes. Their development required the formulation of physics-informed…