Treffer: Transition modelling for general purpose CFD codes

Title:
Transition modelling for general purpose CFD codes
Authors:
MENTER, F. R, LANGTRY, R, VÖLKER, S
Source:
ERCOFTAC International Symposium on Engineering Turbulence Modelling and Measurements -ETMM6Flow, turbulence and combustion. 77(1-4):277-303
Publisher Information:
Heidelberg: Springer, 2006.
Publication Year:
2006
Physical Description:
print, 40 ref
Original Material:
INIST-CNRS
Subject Terms:
Mechanics acoustics, Mécanique et acoustique, Sciences exactes et technologie, Exact sciences and technology, Physique, Physics, Domaines classiques de la physique (y compris les applications), Fundamental areas of phenomenology (including applications), Mécanique des fluides, Fluid dynamics, Méthodes de calcul en mécanique des fluides, Computational methods in fluid dynamics, Ecoulements turbulents, convection et transfert de chaleur, Turbulent flows, convection, and heat transfer, Transition vers la turbulence, Transition to turbulence, Simulation et modélisation de turbulence, Turbulence simulation and modeling, Code calcul, Computation code, Código computación, Ecoulement transition, Transition flow, Equation transport, Transport equation, Ecuación transporte, Intermittence, Intermittency, Intermitencia, Modélisation, Modelling, Simulation numérique, Digital simulation, Structure turbulence, Turbulence structure, Estructura turbulencia, Transition laminaire turbulente, Turbulent laminar transition, LCTM, SST model, intermittency, laminar-turbulent transition, local formulation, turbulence modelling, transport equation
Document Type:
Konferenz Conference Paper
File Description:
text
Language:
English
Author Affiliations:
Software Development Dept., ANSYS-CFX Germany, 83624 Otterfing, Germany
GE Global Research, One Research Circle, Niskayuna, NY 12309, United States
ISSN:
1386-6184
Access URL:
http://pascal-francis.inist.fr/vibad/index.php?action=search&terms=18312372
Rights:
Copyright 2007 INIST-CNRS
CC BY 4.0
Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS
Notes:
Physics: fluid mechanics
Accession Number:
edscal.18312372
Database:
PASCAL Archive

Weitere Informationen

The paper addresses modelling concepts based on the RANS equations for laminar-turbulent transition prediction in general-purpose CFD codes. Available models are reviewed, with emphasis on their compatibility with modern CFD methods. Requirements for engineering transition models suitable for industrial CFD codes are specified. A new concept for transition modeling is introduced. It is based on the combination of experimental correlations with locally formulated transport equations. The concept is termed LCTM - Local Correlation-based Transition Model. An LCTM model, which satisfies most of the specified requirements is described, including results for a variety of different complex applications. An incremental approach was used to validate the model, first on 2D flat plates and airfoils and then on to progressively more complicated test cases such as a three-element flap, a 3D transonic wing and a full helicopter configuration. In all cases good agreement with the available experimental data was observed. The authors believe that the current formulation is a significant step forward in engineering transition modeling, as it allows the combination of transition correlations with general purpose CFD codes. There is a strong potential that the model will allow the 1st order effects of transition to be included in everyday industrial CFD simulations.