Simulation And Modeling Of Turbulent Flows

Author : Thomas B. Gatski,M. Yousuff Hussaini,John L. Lumley
Publisher : Oxford University Press
Page : 329 pages
File Size : 45,5 Mb
Release : 1996-07-11
Category : Science
ISBN : 9780195355567

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Simulation and Modeling of Turbulent Flows by Thomas B. Gatski,M. Yousuff Hussaini,John L. Lumley Pdf

This book provides students and researchers in fluid engineering with an up-to-date overview of turbulent flow research in the areas of simulation and modeling. A key element of the book is the systematic, rational development of turbulence closure models and related aspects of modern turbulent flow theory and prediction. Starting with a review of the spectral dynamics of homogenous and inhomogeneous turbulent flows, succeeding chapters deal with numerical simulation techniques, renormalization group methods and turbulent closure modeling. Each chapter is authored by recognized leaders in their respective fields, and each provides a thorough and cohesive treatment of the subject.

Author : Roland Schiestel
Publisher : John Wiley & Sons
Page : 751 pages
File Size : 40,8 Mb
Release : 2010-01-05
Category : Science
ISBN : 9780470393468

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Modeling and Simulation of Turbulent Flows by Roland Schiestel Pdf

This title provides the fundamental bases for developing turbulence models on rational grounds. The main different methods of approach are considered, ranging from statistical modelling at various degrees of complexity to numerical simulations of turbulence. Each of these various methods has its own specific performances and limitations, which appear to be complementary rather than competitive. After a discussion of the basic concepts, mathematical tools and methods for closure, the book considers second order closure models. Emphasis is placed upon this approach because it embodies potentials for clarifying numerous problems in turbulent shear flows. Simpler, generally older models are then presented as simplified versions of the more general second order models. The influence of extra physical parameters is also considered. Finally, the book concludes by examining large Eddy numerical simulations methods. Given the book’s comprehensive coverage, those involved in the theoretical or practical study of turbulence problems in fluids will find this a useful and informative read.

Author : G. Biswas,V. Eswaran
Publisher : CRC Press
Page : 478 pages
File Size : 51,6 Mb
Release : 2002
Category : Technology & Engineering
ISBN : 0849310148

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Turbulent Flows by G. Biswas,V. Eswaran Pdf

This book allows readers to tackle the challenges of turbulent flow problems with confidence. It covers the fundamentals of turbulence, various modeling approaches, and experimental studies. The fundamentals section includes isotropic turbulence and anistropic turbulence, turbulent flow dynamics, free shear layers, turbulent boundary layers and plumes. The modeling section focuses on topics such as eddy viscosity models, standard K-E Models, Direct Numerical Stimulation, Large Eddy Simulation, and their applications. The measurement of turbulent fluctuations experiments in isothermal and stratified turbulent flows are explored in the experimental methods section. Special topics include modeling of near wall turbulent flows, compressible turbulent flows, and more.

Author : P. A. Durbin,B. A. Pettersson Reif
Publisher : John Wiley & Sons
Page : 347 pages
File Size : 53,8 Mb
Release : 2011-06-28
Category : Science
ISBN : 9781119957522

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Statistical Theory and Modeling for Turbulent Flows by P. A. Durbin,B. A. Pettersson Reif Pdf

Providing a comprehensive grounding in the subject of turbulence, Statistical Theory and Modeling for Turbulent Flows develops both the physical insight and the mathematical framework needed to understand turbulent flow. Its scope enables the reader to become a knowledgeable user of turbulence models; it develops analytical tools for developers of predictive tools. Thoroughly revised and updated, this second edition includes a new fourth section covering DNS (direct numerical simulation), LES (large eddy simulation), DES (detached eddy simulation) and numerical aspects of eddy resolving simulation. In addition to its role as a guide for students, Statistical Theory and Modeling for Turbulent Flows also is a valuable reference for practicing engineers and scientists in computational and experimental fluid dynamics, who would like to broaden their understanding of fundamental issues in turbulence and how they relate to turbulence model implementation. Provides an excellent foundation to the fundamental theoretical concepts in turbulence. Features new and heavily revised material, including an entire new section on eddy resolving simulation. Includes new material on modeling laminar to turbulent transition. Written for students and practitioners in aeronautical and mechanical engineering, applied mathematics and the physical sciences. Accompanied by a website housing solutions to the problems within the book.

Author : Manuel D. Salas,Jerry N. Hefner,Leonidas Sakell
Publisher : Springer Science & Business Media
Page : 402 pages
File Size : 51,8 Mb
Release : 1999-04-30
Category : Science
ISBN : 0792355903

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Modeling Complex Turbulent Flows by Manuel D. Salas,Jerry N. Hefner,Leonidas Sakell Pdf

Turbulence modeling both addresses a fundamental problem in physics, 'the last great unsolved problem of classical physics,' and has far-reaching importance in the solution of difficult practical problems from aeronautical engineering to dynamic meteorology. However, the growth of supercom puter facilities has recently caused an apparent shift in the focus of tur bulence research from modeling to direct numerical simulation (DNS) and large eddy simulation (LES). This shift in emphasis comes at a time when claims are being made in the world around us that scientific analysis itself will shortly be transformed or replaced by a more powerful 'paradigm' based on massive computations and sophisticated visualization. Although this viewpoint has not lacked ar ticulate and influential advocates, these claims can at best only be judged premature. After all, as one computational researcher lamented, 'the com puter only does what I tell it to do, and not what I want it to do. ' In turbulence research, the initial speculation that computational meth ods would replace not only model-based computations but even experimen tal measurements, have not come close to fulfillment. It is becoming clear that computational methods and model development are equal partners in turbulence research: DNS and LES remain valuable tools for suggesting and validating models, while turbulence models continue to be the preferred tool for practical computations. We believed that a symposium which would reaffirm the practical and scientific importance of turbulence modeling was both necessary and timely.

Author : Paul Durbin
Publisher : Elsevier
Page : 554 pages
File Size : 42,7 Mb
Release : 2021-07-24
Category : Technology & Engineering
ISBN : 9780128208908

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Advanced Approaches in Turbulence by Paul Durbin Pdf

Advanced Approaches in Turbulence: Theory, Modeling, Simulation and Data Analysis for Turbulent Flows focuses on the updated theory, simulation and data analysis of turbulence dealing mainly with turbulence modeling instead of the physics of turbulence. Beginning with the basics of turbulence, the book discusses closure modeling, direct simulation, large eddy simulation and hybrid simulation. The book also covers the entire spectrum of turbulence models for both single-phase and multi-phase flows, as well as turbulence in compressible flow. Turbulence modeling is very extensive and continuously updated with new achievements and improvements of the models. Modern advances in computer speed offer the potential for elaborate numerical analysis of turbulent fluid flow while advances in instrumentation are creating large amounts of data. This book covers these topics in great detail. Covers the fundamentals of turbulence updated with recent developments Focuses on hybrid methods such as DES and wall-modeled LES Gives an updated treatment of numerical simulation and data analysis

Author : Alvaro A. Aldama
Publisher : Springer Science & Business Media
Page : 410 pages
File Size : 46,7 Mb
Release : 2013-03-08
Category : Science
ISBN : 9783642840913

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Filtering Techniques for Turbulent Flow Simulation by Alvaro A. Aldama Pdf

1. 1 Scope of the Study The detailed and reasonably accurate computation of large scale turbulent flows has become increasingly important in geophysical and engi neering applications in recent years. The definition of water quality management policies for reservoirs, lakes, estuaries, and coastal waters, as well as the design of cooling ponds and solar ponds, requires an ade quate quantitative description of turbulent flows. When the diffusion of some tracer (be it active, such as temperature or salinity, or passive, such as dissolved oxygen) is of relevance to a specific application, the proper determination of the effects of turbulent transport processes has paramount importance. Thus, for instance, the proper understanding of lake and reservoir dynamics requires, as a first step, the ability to simulate turbulent flows. Applications in other areas of geophysical research, such as meteorology and oceanography are easily identified and large in number. It should be stressed that, in this context, the analyst seeks predictive ability to a certain extent. Accordingly, the need for simulation models that closely resemble the natural processes to be repre sented has recently become more evident. Since the late 1960s considerable effort has been devoted to the development of models for the simulation of complex turbulent flows. This has resulted in the establishment of two approaches which have been, or 2 have the potential for being, applied to problems of engineering and geophysical interest.

Author : P. A. Durbin,B. A. Pettersson Reif
Publisher : Wiley-Blackwell
Page : 312 pages
File Size : 41,9 Mb
Release : 2001-03-12
Category : Mathematics
ISBN : UOM:39015049982898

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Statistical Theory and Modeling for Turbulent Flows by P. A. Durbin,B. A. Pettersson Reif Pdf

Most natural and industrial flows are turbulent. The atmosphere and oceans, automobile and aircraft engines, all provide examples of this ubiquitous phenomenon. In recent years, turbulence has become a very lively area of scientific research and application, and this work offers a grounding in the subject of turbulence, developing both the physical insight and the mathematical framework needed to express the theory. Providing a solid foundation in the key topics in turbulence, this valuable reference resource enables the reader to become a knowledgeable developer of predictive tools. This central and broad ranging topic would be of interest to graduate students in a broad range of subjects, including aeronautical and mechanical engineering, applied mathematics and the physical sciences. The accompanying solutions manual to the text also makes this a valuable teaching tool for lecturers and for practising engineers and scientists in computational and experimental and experimental fluid dynamics.

Author : Ching Jen Chen,L-D. Chen,F. M. Holly
Publisher : CRC Press
Page : 884 pages
File Size : 47,7 Mb
Release : 1987
Category : Science
ISBN : 0891165584

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Turbulence Measurements and Flow Modeling by Ching Jen Chen,L-D. Chen,F. M. Holly Pdf

Author : Manuel D. Salas,Jerry N. Hefner,Leonidas Sakell
Publisher : Springer Science & Business Media
Page : 385 pages
File Size : 54,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401147248

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Modeling Complex Turbulent Flows by Manuel D. Salas,Jerry N. Hefner,Leonidas Sakell Pdf

Turbulence modeling both addresses a fundamental problem in physics, 'the last great unsolved problem of classical physics,' and has far-reaching importance in the solution of difficult practical problems from aeronautical engineering to dynamic meteorology. However, the growth of supercom puter facilities has recently caused an apparent shift in the focus of tur bulence research from modeling to direct numerical simulation (DNS) and large eddy simulation (LES). This shift in emphasis comes at a time when claims are being made in the world around us that scientific analysis itself will shortly be transformed or replaced by a more powerful 'paradigm' based on massive computations and sophisticated visualization. Although this viewpoint has not lacked ar ticulate and influential advocates, these claims can at best only be judged premature. After all, as one computational researcher lamented, 'the com puter only does what I tell it to do, and not what I want it to do. ' In turbulence research, the initial speculation that computational meth ods would replace not only model-based computations but even experimen tal measurements, have not come close to fulfillment. It is becoming clear that computational methods and model development are equal partners in turbulence research: DNS and LES remain valuable tools for suggesting and validating models, while turbulence models continue to be the preferred tool for practical computations. We believed that a symposium which would reaffirm the practical and scientific importance of turbulence modeling was both necessary and timely.

Author : M. Lesieur,O. Métais,P. Comte
Publisher : Cambridge University Press
Page : 240 pages
File Size : 52,7 Mb
Release : 2005-08-22
Category : Mathematics
ISBN : 0521781248

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Large-Eddy Simulations of Turbulence by M. Lesieur,O. Métais,P. Comte Pdf

Large-Eddy Simulations of Turbulence is a reference for LES, direct numerical simulation and Reynolds-averaged Navier-Stokes simulation.

Author : Pierre Sagaut
Publisher : World Scientific
Page : 446 pages
File Size : 52,9 Mb
Release : 2013
Category : Science
ISBN : 9781848169876

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Multiscale and Multiresolution Approaches in Turbulence by Pierre Sagaut Pdf

The book aims to provide the reader with an updated general presentation of multiscale/multiresolution approaches in turbulent flow simulations. All modern approaches (LES, hybrid RANS/LES, DES, SAS) are discussed and recast in a global comprehensive framework. Both theoretical features and practical implementation details are addressed. Some full scale applications are described, to provide the reader with relevant guidelines to facilitate a future use of these methods.

Author : Peter S. Bernard,James M. Wallace
Publisher : John Wiley & Sons
Page : 516 pages
File Size : 43,6 Mb
Release : 2002-08-19
Category : Technology & Engineering
ISBN : 0471332194

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Turbulent Flow by Peter S. Bernard,James M. Wallace Pdf

Provides unique coverage of the prediction and experimentation necessary for making predictions. * Covers computational fluid dynamics and its relationship to direct numerical simulation used throughout the industry. * Covers vortex methods developed to calculate and evaluate turbulent flows. * Includes chapters on the state-of-the-art applications of research such as control of turbulence.

Author : D. Drikakis,Bernard Geurts
Publisher : Springer Science & Business Media
Page : 376 pages
File Size : 42,8 Mb
Release : 2006-04-11
Category : Science
ISBN : 9780306484216

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Turbulent Flow Computation by D. Drikakis,Bernard Geurts Pdf

In various branches of fluid mechanics, our understanding is inhibited by the presence of turbulence. Although many experimental and theoretical studies have significantly helped to increase our physical understanding, a comp- hensive and predictive theory of turbulent flows has not yet been established. Therefore, the prediction of turbulent flow relies heavily on simulation stra- gies. The development of reliable methods for turbulent flow computation will have a significant impact on a variety of technological advancements. These range from aircraft and car design, to turbomachinery, combustors, and process engineering. Moreover, simulation approaches are important in materials - sign, prediction of biologically relevant flows, and also significantly contribute to the understanding of environmental processes including weather and climate forecasting. The material that is compiled in this book presents a coherent account of contemporary computational approaches for turbulent flows. It aims to p- vide the reader with information about the current state of the art as well as to stimulate directions for future research and development. The book puts part- ular emphasis on computational methods for incompressible and compressible turbulent flows as well as on methods for analysing and quantifying nume- cal errors in turbulent flow computations. In addition, it presents turbulence modelling approaches in the context of large eddy simulation, and unfolds the challenges in the field of simulations for multiphase flows and computational fluid dynamics (CFD) of engineering flows in complex geometries. Apart from reviewing main research developments, new material is also included in many of the chapters.

Author : Konstantin Volkov
Publisher : BoD – Books on Demand
Page : 252 pages
File Size : 52,5 Mb
Release : 2017-07-26
Category : Science
ISBN : 9789535133490

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Turbulence Modelling Approaches by Konstantin Volkov Pdf

Accurate prediction of turbulent flows remains a challenging task despite considerable work in this area and the acceptance of CFD as a design tool. The quality of the CFD calculations of the flows in engineering applications strongly depends on the proper prediction of turbulence phenomena. Investigations of flow instability, heat transfer, skin friction, secondary flows, flow separation, and reattachment effects demand a reliable modelling and simulation of the turbulence, reliable methods, accurate programming, and robust working practices. The current scientific status of simulation of turbulent flows as well as some advances in computational techniques and practical applications of turbulence research is reviewed and considered in the book.