Development Of High Fidelity Numerical Methods For Turbulent Flows Simulation
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Author |
: Francesco Capuano |
Publisher |
: Youcanprint |
Total Pages |
: 96 |
Release |
: 2019-12-27 |
ISBN-10 |
: 9788891196972 |
ISBN-13 |
: 8891196975 |
Rating |
: 4/5 (72 Downloads) |
Synopsis Development of high-fidelity numerical methods for turbulent flows simulation by : Francesco Capuano
La tesi di dottorato è incentrata sullo sviluppo di strumenti e metodologie avanzate per la simulazione numerica di flussi turbolenti con tecniche Large-Eddy Simulation (LES) e Direct Numerical Simulation (DNS). In particolare, si propone una metodologia di avanzamento temporale innovativa di tipo Runge-Kutta(RK) capace di riprodurre le prestazioni di robustezza dei metodi skew-symmetric classici con maggiore efficienza computazionale. La rigorosa trattazione teorica sviluppata nel lavoro ha permesso di ricavare nuovi schemi RK con un determinato ordine di accuratezza sulla soluzione e sulla conservazione di energia discreta. La tecnica ha mostrato di essere più efficiente degli schemi classici, fornendo, a parità di risultati, tempi di calcolo inferiori fino al 50%.
Author |
: Christophe Brun |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 344 |
Release |
: 2009-03-07 |
ISBN-10 |
: 9783540899563 |
ISBN-13 |
: 3540899561 |
Rating |
: 4/5 (63 Downloads) |
Synopsis Numerical Simulation of Turbulent Flows and Noise Generation by : Christophe Brun
Large Eddy Simulation (LES) is a high-fidelity approach to the numerical simulation of turbulent flows. Recent developments have shown LES to be able to predict aerodynamic noise generation and propagation as well as the turbulent flow, by means of either a hybrid or a direct approach. This book is based on the results of two French/German research groups working on LES simulations in complex geometries and noise generation in turbulent flows. The results provide insights into modern prediction approaches for turbulent flows and noise generation mechanisms as well as their use for novel noise reduction concepts.
Author |
: D. Drikakis |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 390 |
Release |
: 2006-04-11 |
ISBN-10 |
: 9780306484216 |
ISBN-13 |
: 0306484218 |
Rating |
: 4/5 (16 Downloads) |
Synopsis Turbulent Flow Computation by : D. Drikakis
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 |
: T. B. Gatski |
Publisher |
: Oxford University Press, USA |
Total Pages |
: 329 |
Release |
: 1996 |
ISBN-10 |
: 9780195106435 |
ISBN-13 |
: 0195106431 |
Rating |
: 4/5 (35 Downloads) |
Synopsis Simulation and Modeling of Turbulent Flows by : T. B. Gatski
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 |
: J. H. Ferziger |
Publisher |
: |
Total Pages |
: 172 |
Release |
: 1981 |
ISBN-10 |
: STANFORD:36105046338963 |
ISBN-13 |
: |
Rating |
: 4/5 (63 Downloads) |
Synopsis Higher-level Simulations of Turbulent Flows by : J. H. Ferziger
The five major categories of this paper are: Correlations, Integral methods, Reynolds-averaged equations, large eddy simulation, and full simulation.
Author |
: Tomás Chacón Rebollo |
Publisher |
: Springer |
Total Pages |
: 530 |
Release |
: 2014-06-17 |
ISBN-10 |
: 9781493904556 |
ISBN-13 |
: 1493904558 |
Rating |
: 4/5 (56 Downloads) |
Synopsis Mathematical and Numerical Foundations of Turbulence Models and Applications by : Tomás Chacón Rebollo
With applications to climate, technology, and industry, the modeling and numerical simulation of turbulent flows are rich with history and modern relevance. The complexity of the problems that arise in the study of turbulence requires tools from various scientific disciplines, including mathematics, physics, engineering and computer science. Authored by two experts in the area with a long history of collaboration, this monograph provides a current, detailed look at several turbulence models from both the theoretical and numerical perspectives. The k-epsilon, large-eddy simulation and other models are rigorously derived and their performance is analyzed using benchmark simulations for real-world turbulent flows. Mathematical and Numerical Foundations of Turbulence Models and Applications is an ideal reference for students in applied mathematics and engineering, as well as researchers in mathematical and numerical fluid dynamics. It is also a valuable resource for advanced graduate students in fluid dynamics, engineers, physical oceanographers, meteorologists and climatologists.
Author |
: Cunha Galeazzo, Flavio Cesar |
Publisher |
: KIT Scientific Publishing |
Total Pages |
: 258 |
Release |
: 2016-10-14 |
ISBN-10 |
: 9783731504085 |
ISBN-13 |
: 3731504081 |
Rating |
: 4/5 (85 Downloads) |
Synopsis Simulation of Turbulent Flows with and without Combustion with Emphasis on the Impact of Coherent Structures on the Turbulent Mixing by : Cunha Galeazzo, Flavio Cesar
The analysis of turbulent mixing in complex turbulent flows is a challenging task. The effective mixing of entrained fluids to a molecular level is a vital part of the dynamics of turbulent flows, especially when combustion is involved. The work has shown the limitations of the steady-state simulations and acknowledged the need of applying high-fidelity unsteady methods for the calculation of flows with pronounced unsteadiness promoted by large-scale coherent structures or other sources.
Author |
: O. Pironneau |
Publisher |
: Cambridge University Press |
Total Pages |
: 536 |
Release |
: 1992-07-31 |
ISBN-10 |
: 0521416183 |
ISBN-13 |
: 9780521416184 |
Rating |
: 4/5 (83 Downloads) |
Synopsis Numerical Simulation of Unsteady Flows and Transition to Turbulence by : O. Pironneau
The workshop concentrated on the following turbulence test cases: T1 Boundary layer in an S-shaped duct; T2 Periodic array of cylinders in a channel; T3 Transition in a boundary layer under the influence of free-stream turbulence; T4 & T5: Axisymmetric confined jet flows.
Author |
: Peter S. Bernard |
Publisher |
: John Wiley & Sons |
Total Pages |
: 516 |
Release |
: 2002-08-19 |
ISBN-10 |
: 0471332194 |
ISBN-13 |
: 9780471332190 |
Rating |
: 4/5 (94 Downloads) |
Synopsis Turbulent Flow by : Peter S. Bernard
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 |
: Pierre Sagaut |
Publisher |
: Imperial College Press |
Total Pages |
: 356 |
Release |
: 2006 |
ISBN-10 |
: 9781860948978 |
ISBN-13 |
: 1860948979 |
Rating |
: 4/5 (78 Downloads) |
Synopsis Multiscale and Multiresolution Approaches in Turbulence by : Pierre Sagaut
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. Sample Chapter(s). Chapter 1: A Brief Introduction to Turbulence (4,125 KB). Contents: A Brief Introduction to Turbulence; Turbulence Simulation and Scale Separation; Statistical Multiscale Modeling; Multiscale Subgrid Models: Self-Adaptivity; Structural Multiscale Subgrid Models: Small Scale Estimations; Unsteady Turbulence Simulation on Self-Adaptive Grids; Global Hybrid RANS/LES Methods; Zonal RANS/LES Methods. Readership: Researchers and engineers in academia and industry in aerospace, automotive and other aerodynamics-oriented fields; masters-level students in fluid mechanics, computational fluid dynamics and applied mathematics.