Advanced Turbulent Flow Computations
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Advanced Turbulent Flow Computations
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Author : Roger Peyret
language : en
Publisher: Springer
Release Date : 2014-05-04
Advanced Turbulent Flow Computations written by Roger Peyret and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-05-04 with Science categories.
This book collects the lecture notes concerning the IUTAM School on Advanced Turbulent Flow Computations held at CISM in Udine September 7–11, 1998. The course was intended for scientists, engineers and post-graduate students interested in the application of advanced numerical techniques for simulating turbulent flows. The topic comprises two closely connected main subjects: modelling and computation, mesh pionts necessary to simulate complex turbulent flow.
Turbulent Flow Computation
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Author : D. Drikakis
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-04-11
Turbulent Flow Computation written by D. Drikakis and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-04-11 with Science categories.
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.
Multiscale And Multiresolution Approaches In Turbulence
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Author : Pierre Sagaut
language : en
Publisher: World Scientific
Release Date : 2006
Multiscale And Multiresolution Approaches In Turbulence written by Pierre Sagaut and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Science categories.
This unique book gives a general unified presentation of the use of the multiscale/multiresolution approaches in the field of turbulence. The coverage ranges from statistical models developed for engineering purposes to multiresolution algorithms for the direct computation of turbulence. It provides the only available up-to-date reviews dealing with the latest and most advanced turbulence models (including LES, VLES, hybrid RANS/LES, DES) and numerical strategies.The book aims at providing the reader with a comprehensive description of modern strategies for turbulent flow simulation, ranging from turbulence modeling to the most advanced multilevel numerical methods.
Calculation Of Complex Turbulent Flows
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Author : George Tzabiras
language : en
Publisher: Witpress
Release Date : 2000
Calculation Of Complex Turbulent Flows written by George Tzabiras and has been published by Witpress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
A selection of invited chapters focusing on developments in the application of Computational Fluid Dynamics (CFD) to compressible or incompressible flows dominated by turbulence effects. These may be applied to complex geometrical configurations or flow-fields in simpler geometries requiring higher-order turbulence modelling, or suitably modified low-order models, to calculate crucial parameters such as instabilities, transition, separation, accurate description of velocity and scalar fields, and local and total forces.
Applied Computational Fluid Dynamics And Turbulence Modeling
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Author : Sal Rodriguez
language : en
Publisher: Springer Nature
Release Date : 2019-12-06
Applied Computational Fluid Dynamics And Turbulence Modeling written by Sal Rodriguez and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-06 with Computers categories.
This unique text provides engineering students and practicing professionals with a comprehensive set of practical, hands-on guidelines and dozens of step-by-step examples for performing state-of-the-art, reliable computational fluid dynamics (CFD) and turbulence modeling. Key CFD and turbulence programs are included as well. The text first reviews basic CFD theory, and then details advanced applied theories for estimating turbulence, including new algorithms created by the author. The book gives practical advice on selecting appropriate turbulence models and presents best CFD practices for modeling and generating reliable simulations. The author gathered and developed the book’s hundreds of tips, tricks, and examples over three decades of research and development at three national laboratories and at the University of New Mexico—many in print for the first time in this book. The book also places a strong emphasis on recent CFD and turbulence advancements found in the literature over the past five to 10 years. Readers can apply the author’s advice and insights whether using commercial or national laboratory software such as ANSYS Fluent, STAR-CCM, COMSOL, Flownex, SimScale, OpenFOAM, Fuego, KIVA, BIGHORN, or their own computational tools. Applied Computational Fluid Dynamics and Turbulence Modeling is a practical, complementary companion for academic CFD textbooks and senior project courses in mechanical, civil, chemical, and nuclear engineering; senior undergraduate and graduate CFD and turbulence modeling courses; and for professionals developing commercial and research applications.
Modelling Turbulence In Engineering And The Environment
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Author : Kemal Hanjalić
language : en
Publisher: Cambridge University Press
Release Date : 2011-10-20
Modelling Turbulence In Engineering And The Environment written by Kemal Hanjalić and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-20 with Science categories.
A comprehensive account of advanced RANS turbulence models including numerous applications to complex flows in engineering and the environment.
Advanced K Epsilon Modeling Of Heat Transfer
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-07-17
Advanced K Epsilon Modeling Of Heat Transfer written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-07-17 with categories.
This report describes two approaches to low Reynolds-number k-epsilon turbulence modeling which formulate the eddy viscosity on the wall-normal component of turbulence and a length scale. The wall-normal component of turbulence is computed via integration of the energy spectrum based on the local dissipation rate and is bounded by the isotropic condition. The models account for the anisotropy of the dissipation and the reduced mixing length due to the high strain rates present in the near-wall region. The turbulent kinetic energy and its dissipation rate were computed from the k and epsilon transport equations of Durbin. The models were tested for a wide range of turbulent flows and proved to be superior to other k-epsilon models, especially for nonequilibrium anisotropic flows. For the prediction of airfoil heat transfer, the models included a set of empirical correlations for predicting laminar-turbulent transition and laminar heat transfer augmentation due to the presence of freestream turbulence. The predictions of surface heat transfer were generally satisfactory. Kwon, Okey and Ames, Forrest E. Unspecified Center AERODYNAMIC HEAT TRANSFER; BOUNDARY LAYER FLOW; COMPUTATIONAL FLUID DYNAMICS; EDDY VISCOSITY; K-EPSILON TURBULENCE MODEL; LOW REYNOLDS NUMBER; TURBULENCE; TURBULENT FLOW; ANISOTROPY; KINETIC ENERGY; MIXING LENGTH FLOW THEORY; NONEQUILIBRIUM FLOW; TURBINE BLADES; WALL FLOW...
Advances In Computation Modeling And Control Of Transitional And Turbulent Flows
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Author : Tapan Kumar Sengupta
language : en
Publisher: World Scientific
Release Date : 2015-12-01
Advances In Computation Modeling And Control Of Transitional And Turbulent Flows written by Tapan Kumar Sengupta and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-12-01 with Science categories.
"The role of high performance computing in current research on transitional and turbulent flows is undoubtedly very important. This review volume provides a good platform for leading experts and researchers in various fields of fluid mechanics dealing with transitional and turbulent flows to synergistically exchange ideas and present the state of the art in the fields. Contributed by eminent researchers, the book chapters feature keynote lectures, panel discussions and the best invited contributed papers."--
Advanced Computational Fluid And Aerodynamics
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Author : Paul G. Tucker
language : en
Publisher: Cambridge University Press
Release Date : 2016-03-15
Advanced Computational Fluid And Aerodynamics written by Paul G. Tucker and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-15 with Science categories.
This book outlines the computational fluid dynamics evolution and gives an overview of the methods available to the engineer.
Modeling Complex Turbulent Flows
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Author : Manuel D. Salas
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Modeling Complex Turbulent Flows written by Manuel D. Salas and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
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.