Direct And Large Eddy Simulation I
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Large Eddy Simulations Of Turbulence
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Author : M. Lesieur
language : en
Publisher: Cambridge University Press
Release Date : 2005-08-22
Large Eddy Simulations Of Turbulence written by M. Lesieur 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 2005-08-22 with Mathematics categories.
Large-Eddy Simulations of Turbulence is a reference for LES, direct numerical simulation and Reynolds-averaged Navier-Stokes simulation.
Direct And Large Eddy Simulation I
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Author : Peter R. Voke
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Direct And Large Eddy Simulation I written by Peter R. Voke 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 Technology & Engineering categories.
It is a truism that turbulence is an unsolved problem, whether in scientific, engin eering or geophysical terms. It is strange that this remains largely the case even though we now know how to solve directly, with the help of sufficiently large and powerful computers, accurate approximations to the equations that govern tur bulent flows. The problem lies not with our numerical approximations but with the size of the computational task and the complexity of the solutions we gen erate, which match the complexity of real turbulence precisely in so far as the computations mimic the real flows. The fact that we can now solve some turbu lence in this limited sense is nevertheless an enormous step towards the goal of full understanding. Direct and large-eddy simulations are these numerical solutions of turbulence. They reproduce with remarkable fidelity the statistical, structural and dynamical properties of physical turbulent and transitional flows, though since the simula tions are necessarily time-dependent and three-dimensional they demand the most advanced computer resources at our disposal. The numerical techniques vary from accurate spectral methods and high-order finite differences to simple finite-volume algorithms derived on the principle of embedding fundamental conservation prop erties in the numerical operations. Genuine direct simulations resolve all the fluid motions fully, and require the highest practical accuracy in their numerical and temporal discretisation. Such simulations have the virtue of great fidelity when carried out carefully, and repre sent a most powerful tool for investigating the processes of transition to turbulence.
Direct And Large Eddy Simulation
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Author : Bernard J. Geurts
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2022-12-05
Direct And Large Eddy Simulation written by Bernard J. Geurts and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-05 with Mathematics categories.
This book presents a comprehensive overview of the mathematics and physics behind the simulation of turbulent flows and discusses in detail (i) the phenomenology of turbulence in fluid dynamics, (ii) the role of direct and large-eddy simulation in predicting these dynamics, (iii) the multiple considerations underpinning subgrid modelling, and, (iv) the issue of validation and reliability resulting from interacting modelling and numerical errors.
Direct And Large Eddy Simulation
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Author : Maria Vittoria Salvetti
language : en
Publisher:
Release Date : 2018
Direct And Large Eddy Simulation written by Maria Vittoria Salvetti and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018 with categories.
Elements Of Direct And Large Eddy Simulation
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Author : Bernard Geurts
language : en
Publisher: R.T. Edwards, Inc.
Release Date : 2004
Elements Of Direct And Large Eddy Simulation written by Bernard Geurts and has been published by R.T. Edwards, Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Eddies categories.
Geurts (U. of Twente) explains direct and large-eddy simulations of turbulent flow, focusing on how to capture the primary features of unsteady flow through computation rather than on a complete statistical modeling. The approach incorporates elements of numerical and mathematical-physical modeling.
Direct And Large Eddy Simulation Xii
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Author : Manuel García-Villalba
language : en
Publisher: Springer Nature
Release Date : 2020-05-09
Direct And Large Eddy Simulation Xii written by Manuel García-Villalba and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-05-09 with Technology & Engineering categories.
This book gathers the proceedings of the 12th instalment in the bi-annual Workshop series on Direct and Large Eddy Simulation (DLES), which began in 1994 and focuses on modern techniques used to simulate turbulent flows based on the partial or full resolution of the instantaneous turbulent flow structure. With the rapidly expanding capacities of modern computers, this approach has attracted more and more interest over the years and will undoubtedly be further enhanced and applied in the future. Hybrid modelling techniques based on a combination of LES and RANS approaches also fall into this category and are covered as well. The goal of the Workshop was to share the state of the art in DNS, LES and related techniques for the computation and modelling of turbulent and transitional flows. The respective papers highlight the latest advances in the prediction, understanding and control of turbulent flows in academic and industrial applications.
Direct And Large Eddy Simulation X
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Author : Dimokratis G.E. Grigoriadis
language : en
Publisher: Springer
Release Date : 2017-10-06
Direct And Large Eddy Simulation X written by Dimokratis G.E. Grigoriadis and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-10-06 with Technology & Engineering categories.
This book addresses nearly all aspects of the state of the art in LES & DNS of turbulent flows, ranging from flows in biological systems and the environment to external aerodynamics, domestic and centralized energy production, combustion, propulsion as well as applications of industrial interest. Following the advances in increased computational power and efficiency, several contributions are devoted to LES & DNS of challenging applications, mainly in the area of turbomachinery, including flame modeling, combustion processes and aeroacoustics. The book includes work presented at the tenth Workshop on 'Direct and Large-Eddy Simulation' (DLES-10), which was hosted in Cyprus by the University of Cyprus, from May 27 to 29, 2015. The goal of the workshop was to establish a state of the art in DNS, LES and related techniques for the computation and modeling of turbulent and transitional flows. The book is of interest to scientists and engineers, both in the early stages of their career and at a more senior level.
Direct And Large Eddy Simulation Ix
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Author : Jochen Fröhlich
language : en
Publisher: Springer
Release Date : 2015-01-27
Direct And Large Eddy Simulation Ix written by Jochen Fröhlich and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-01-27 with Technology & Engineering categories.
This volume reflects the state of the art of numerical simulation of transitional and turbulent flows and provides an active forum for discussion of recent developments in simulation techniques and understanding of flow physics. Following the tradition of earlier DLES workshops, these papers address numerous theoretical and physical aspects of transitional and turbulent flows. At an applied level it contributes to the solution of problems related to energy production, transportation, magneto-hydrodynamics and the environment. A special session is devoted to quality issues of LES. The ninth Workshop on 'Direct and Large-Eddy Simulation' (DLES-9) was held in Dresden, April 3-5, 2013, organized by the Institute of Fluid Mechanics at Technische Universität Dresden. This book is of interest to scientists and engineers, both at an early level in their career and at more senior levels.
Direct And Large Eddy Simulation Iv
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Author : Bernard Geurts
language : en
Publisher: Springer Science & Business Media
Release Date : 2001-11-30
Direct And Large Eddy Simulation Iv written by Bernard Geurts 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 2001-11-30 with Technology & Engineering categories.
This volume contains the proceedings of the 2001 DLES4 workshop. It describes and discusses state-of-the-art modeling and simulation approaches for complex flows. Fundamental turbulence and modeling issues but also elements from modern numerical analysis are at the heart of this field of interest.