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Open AccessJournal ArticleDOI

Two-equation eddy-viscosity turbulence models for engineering applications

Florian R. Menter
- 01 Aug 1994 - 
- Vol. 32, Iss: 8, pp 1598-1605
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TLDR
In this paper, two new two-equation eddy-viscosity turbulence models are presented, which combine different elements of existing models that are considered superior to their alternatives.
Abstract
Two new two-equation eddy-viscosity turbulence models will be presented. They combine different elements of existing models that are considered superior to their alternatives. The first model, referred to as the baseline (BSL) model, utilizes the original k-ω model of Wilcox in the inner region of the boundary layer and switches to the standard k-e model in the outer region and in free shear flows. It has a performance similar to the Wilcox model, but avoids that model's strong freestream sensitivity

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Book

Computational Fluid Dynamics: Principles and Applications Ed. 3

Jiri Blazek
TL;DR: This updated edition includes new worked programming examples, expanded coverage and recent literature regarding incompressible flows, the Discontinuous Galerkin Method, the Lattice Boltzmann Method, higher-order spatial schemes, implicit Runge-Kutta methods and code parallelization.
Journal ArticleDOI

Wall-layer models for large-eddy simulations

TL;DR: In this article, the authors present three broad classes of approaches: bypassing this region altogether using wall functions, solving a separate set of equations in the nearwall region, weakly coupled to the outer flow, or simulating the near-wall region in a global, Reynolds-averaged, sense.
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A Correlation-Based Transition Model Using Local Variables—Part I: Model Formulation

TL;DR: Langtry et al. as discussed by the authors developed a new correlation-based transition model based strictly on local variables, which is compatible with modern computational fluid dynamics (CFD) approaches, such as unstructured grids and massive parallel execution.
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Correlation-Based Transition Modeling for Unstructured Parallelized Computational Fluid Dynamics Codes

TL;DR: The main goal of the present paper is to publish the full model and release it to the research community so that it can continue to be further validated and possibly extended or improved.
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Recent progress in flapping wing aerodynamics and aeroelasticity

TL;DR: In this article, a review of the recent progress in flapping wing aerodynamics and aeroelasticity is presented, where it is realized that a variation of the Reynolds number (wing sizing, flapping frequency, etc.) leads to a change in the leading edge vortex (LEV) and spanwise flow structures, which impacts the aerodynamic force generation.
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Journal ArticleDOI

Reassessment of the scale-determining equation for advanced turbulence models

David C. Wilcox
- 01 Nov 1988 - 
TL;DR: In this paper, a two-equation turbulence model is proposed that is shown to be quite accurate for attached boundary layers in adverse pressure gradient, compressible boundary layers, and free shear flows.
Proceedings ArticleDOI

ZONAL TWO EQUATION k-w TURBULENCE MODELS FOR AERODYNAMIC FLOWS

TL;DR: In this article, two versions of the k-w two-equation turbulence model are presented, the baseline model and the Shear-Stress Transport (SSn) model.
Journal ArticleDOI

Features of a reattaching turbulent shear layer in divergent channel flow

TL;DR: In this article, experimental data have been obtained in an incompressible turbulent flow over a rearward-facing step in a diverging channel flow and mean velocities, Reynolds stresses, and triple products that were measured by a laser Doppler velocimeter are presented for two cases of tunnel wall divergence.
Journal ArticleDOI

Upwind differencing scheme for the time-accurate incompressible Navier-Stokes equations

TL;DR: In this article, the Navier-Stokes equations are solved in a time-accurate manner, using the method of pseudocompres sibility, where subiterations in pseudotime are required to satisfy the continuity equation at each time step.