In fluid dynamics, turbulence modeling is the construction and use of a mathematical model to predict the effects of turbulence. Turbulent flows are commonplace...
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K-epsilon (k-ε) turbulence model is one of the most common models used in computational fluid dynamics (CFD) to simulate mean flow characteristics for...
8 KB (1,083 words) - 01:29, 12 January 2024
computational fluid dynamics, the k–omega (k–ω) turbulence model is a common two-equation turbulence model, that is used as an approximation for the Reynolds-averaged...
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In fluid dynamics, turbulence or turbulent flow is fluid motion characterized by chaotic changes in pressure and flow velocity. It is in contrast to laminar...
46 KB (5,540 words) - 18:04, 29 August 2024
stress equation model (RSM), also referred to as second moment closures are the most complete classical turbulence model. In these models, the eddy-viscosity...
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Menter's Shear Stress Transport (category Turbulence models)
Transport turbulence model, or SST, is a widely used and robust two-equation eddy-viscosity turbulence model used in Computational Fluid Dynamics. The model combines...
7 KB (1,268 words) - 02:51, 22 July 2024
Navier Stokes equations, the turbulence kinetic energy can be calculated based on the closure method, i.e. a turbulence model. The TKE can be defined to...
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Spalart-Allmaras Turbulence Models? from kxcad.net The Spalart-Allmaras Turbulence Model at NASA's Langley Research Center Turbulence Modelling Resource site...
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In meteorology, clear-air turbulence (CAT) is the turbulent movement of air masses in the absence of any visual clues such as clouds, and is caused when...
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system being modeled. For turbulent flows, the range of length scales and complexity of phenomena involved in turbulence make most modeling approaches prohibitively...
67 KB (8,530 words) - 12:49, 19 August 2024
The von Kármán wind turbulence model (also known as von Kármán gusts) is a mathematical model of continuous gusts. It matches observed continuous gusts...
9 KB (1,647 words) - 09:32, 29 August 2023
Transition modeling is the use of a model to predict the change from laminar and turbulent flows in fluids and their respective effects on the overall...
2 KB (211 words) - 12:25, 24 March 2020
The Dryden wind turbulence model, also known as Dryden gusts, is a mathematical model of continuous gusts accepted for use by the United States Department...
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gamma-Re transition model has two equations and is based on the two-equation turbulence models in the context of turbulence modeling. This way both local...
4 KB (559 words) - 05:46, 23 October 2022
Large eddy simulation (category Turbulence models)
Large eddy simulation (LES) is a mathematical model for turbulence used in computational fluid dynamics. It was initially proposed in 1963 by Joseph Smagorinsky...
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born American fluid dynamicist, known for his work on turbulence, including turbulence modeling and computational fluid dynamics. Charles Meneveau, the...
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Reynolds-averaged Navier–Stokes equations (category Turbulence models)
requires additional modeling to close the RANS equation for solving, and has led to the creation of many different turbulence models. The time-average operator...
13 KB (2,374 words) - 06:37, 27 September 2023
wave Turbulence modeling Turbulence kinetic energy (TKE) K-epsilon turbulence model k–omega turbulence model Spalart–Allmaras turbulence model Vorticity...
13 KB (1,095 words) - 04:32, 24 August 2024
Shallow water equations (redirect from Shallow water model)
all channel flow scenarios. The dynamic wave is used for modeling transient storms in modeling programs including Mascaret (EDF), SIC (Irstea), HEC-RAS...
37 KB (4,764 words) - 14:52, 24 May 2024
C., 1998. Turbulence Modeling for CFD. ISBN 1-928729-10-X, 2nd Ed., DCW Industries, Inc. This article was based on the Cebeci Smith model article in...
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models of hydrostatics, hydrodynamics and aerodynamics. Hydraulics Elasticity Mechanical waves and acoustics Valves and fluidics Gas laws Turbulence modeling...
40 KB (4,225 words) - 16:41, 12 June 2024
Direct numerical simulation (category Turbulence models)
numerically solved without any turbulence model. This means that the whole range of spatial and temporal scales of the turbulence must be resolved. All the...
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Continuous gusts (section Turbulence intensities)
randomly in space and time. Models of continuous gusts are used to represent atmospheric turbulence, especially clear air turbulence and turbulent winds in...
12 KB (1,511 words) - 19:12, 10 September 2023
Magnetohydrodynamic turbulence concerns the chaotic regimes of magnetofluid flow at high Reynolds number. Magnetohydrodynamics (MHD) deals with what is...
16 KB (2,300 words) - 18:22, 11 April 2024
tensorial algebra purposes when solving for two-equation turbulence models (or any other turbulence model that solves a transport equation for κ {\displaystyle...
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simulations are often undertaken to model wake flows, although such modeling has uncertainties associated with turbulence modeling (for example RANS versus LES...
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reaction model. Most fuels are fast burning and the overall rate of reaction is controlled by turbulence mixing. In the non-premixed flames, turbulence slowly...
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Fluid dynamics (redirect from Mathematical model of flow processes)
requires turbulence models for the foreseeable future. Reynolds-averaged Navier–Stokes equations (RANS) combined with turbulence modelling provides a model of...
32 KB (4,144 words) - 18:31, 6 August 2024
SST, k-omega and Reynolds stress, and large eddy simulation (LES) turbulence models, by numerically solving some dynamic equations such as the Ginzburg–Landau...
22 KB (2,844 words) - 07:11, 22 May 2024
fluid layer under the action of gravity Turbulence modeling and eddy viscosity: in modelling the turbulence Reynolds stresses, the Boussinesq approximation...
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