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A New Version of Detached-eddy Simulation, Resistant to Ambiguous Grid Densities
Detached-eddy simulation (DES) is well understood in thin boundary layers, with the turbulence model in its Reynolds-averaged Navier–Stokes (RANS) mode and flattened grid cells, and in regions ofExpand
Generation of Turbulent Inflow Data for Spatially-Developing Boundary Layer Simulations
A method for generating three-dimensional, time-dependent turbulent inflow data for simulations of complex spatially developing boundary layers is described. The approach is to extract instantaneousExpand
A dynamic subgrid‐scale model for compressible turbulence and scalar transport
The dynamic subgrid‐scale (SGS) model of Germano et al. [Phys. Fluids A 3, 1760 (1991)] is generalized for the large eddy simulation (LES) of compressible flows and transport of a scalar. The modelExpand
Partitioning of particle velocities in gas-solid turbulent flows into a continuous field and a spatially uncorrelated random distribution : theoretical formalism and numerical study
The velocity distribution of dilute suspensions of heavy particles in gas–solid turbulent flows is investigated. A statistical approach – the mesoscopic Eulerian formalism (MEF) – is developed inExpand
Direct numerical simulation of turbulence modulation by particles in isotropic turbulence
The modulation of isotropic turbulence by particles has been investigated using direct numerical simulation (DNS). The particular focus of the present work is on the class of dilute flows in whichExpand
Particle response and turbulence modification in isotropic turbulence
The effect of turbulence on particle concentration fields and the modification of turbulence by particles has been investigated using direct numerical simulations of isotropic turbulence. TheExpand
An approach to wall modeling in large-eddy simulations
Channel flow with friction Reynolds number Reτ as high as 80 000 is treated by large-eddy simulation at a moderate cost, using the subgrid-scale model designed for detached-eddy simulations. ItExpand
Numerical investigations of flow over a sphere in the subcritical and supercritical regimes
The flow field around a sphere in an uniform flow has been analyzed numerically for conditions corresponding to the subcritical (laminar separation) and supercritical (turbulent separation) regimesExpand
Preferential concentration of particles by turbulence
Direct numerical simulation of isotropic turbulence was used to investigate the effect of turbulence on the concentration fields of heavy particles. The hydrodynamic field was computed using 643Expand
The inner–outer layer interface in large-eddy simulations with wall-layer models
The interaction between the inner and outer layer in large-eddy simulations (LES) that use approximate near-wall treatments is studied.In hybrid Reynolds-averaged Navier–Stokes (RANS)/LES models aExpand