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Turbulence statistics in fully developed channel flow at low reynolds number

A direct numerical simulation of a turbulent channel flow is performed. The unsteady Navier-Stokes equations are solved numerically at a Reynolds number of 3300, based on thc mean centreline velocity… Expand

A dynamic subgrid‐scale eddy viscosity model

- M. Germano, U. Piomelli, P. Moin, W. Cabot
- Physics
- 1 December 1990

One major drawback of the eddy viscosity subgrid‐scale stress models used in large‐eddy simulations is their inability to represent correctly with a single universal constant different turbulent… Expand

Application of a Fractional-Step Method to Incompressible Navier-Stokes Equations

A numerical method for computing three-dimensional, time-dependent incompressible flows is presented. The method is based on a fractional-step, or time-splitting, scheme in conjunction with the… Expand

Eddies, streams, and convergence zones in turbulent flows

Recent studies of turbulent shear flows have shown that many of their important kinematical and dynamical properties can be more clearly understood by describing the flows in terms of individual… Expand

THE MINIMAL FLOW UNIT IN NEAR-WALL TURBULENCE

- J. Jiménez, P. Moin
- Physics
- 1 April 1991

Direct numerical simulations of unsteady channel flow were performed at low to moderate Reynolds numbers on computational boxes chosen small enough so that the flow consists of a doubly periodic (in… Expand

Active turbulence control for drag reduction in wall-bounded flows

- Haecheon Choi, P. Moin, John Kim
- Physics
- 3 October 1994

The objective of this study is to explore concepts for active control of turbulent boundary layers leading to skin-friction reduction using the direct numerical simulation technique. Significant drag… Expand

Progress-variable approach for large-eddy simulation of non-premixed turbulent combustion

A new approach to chemistry modelling for large-eddy simulation of turbulent reacting flows is developed. Instead of solving transport equations for all of the numerous species in a typical chemical… Expand

A dynamic subgrid‐scale model for compressible turbulence and scalar transport

- P. Moin, K. Squires, W. Cabot, Sangsan Lee
- Physics
- 1 November 1991

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 model… Expand

DIRECT NUMERICAL SIMULATION: A Tool in Turbulence Research

▪ Abstract We review the direct numerical simulation (DNS) of turbulent flows. We stress that DNS is a research tool, and not a brute-force solution to the Navier-Stokes equations for engineering… Expand

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