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5 papers · 2 filters
Buoyancy statistics in moist turbulent Rayleigh-Benard convection
Joerg Schumacher, Olivier Pauluis
We study shallow moist Rayleigh-Benard convection in the Boussinesq approximation in three-dimensional direct numerical simulations. The thermodynamics of phase changes is approxim…
Stirring by swimming bodies
Jean-Luc Thiffeault, Stephen Childress
We consider the stirring of an inviscid fluid caused by the locomotion of bodies through it. The swimmers are approximated by non-interacting cylinders or spheres moving steadily a…
Vortex shedding and hovering of a rigid body in an oscillating flow
Bin Liu, Annie Weathers, Stephen Childress +1
The fluid dynamics video shows rigid, spatially asymmetric bodies interacting with oscillating background flows. A free rigid object, here a hollow "pyramid," can hover quite stabl…
On the Accuracy of Finite-Volume Schemes for Fluctuating Hydrodynamics
A. Donev, E. Vanden-Eijnden, A. L. Garcia +1
This paper describes the development and analysis of finite-volume methods for the Landau-Lifshitz Navier-Stokes (LLNS) equations and related stochastic partial differential equati…
Lagrangian views on turbulent mixing of passive scalars
Katepalli R. Sreenivasan, Joerg Schumacher
The Lagrangian view of passive scalar turbulence has recently produced interesting results and interpretations. Innovations in theory, experiments, simulations and data analysis of…