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Author : Kurt M. Berger
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (89 download)
Download or read book Asymptotic & Numerical Analysis of Free Surface Flows written by Kurt M. Berger and published by . This book was released on 2000 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Radyadour Kh. Zeytounian
Publisher : Springer Science & Business Media
ISBN 13 : 0306483866
Total Pages : 560 pages
Book Rating : 4.3/5 (64 download)
Download or read book Asymptotic Modelling of Fluid Flow Phenomena written by Radyadour Kh. Zeytounian and published by Springer Science & Business Media. This book was released on 2006-04-10 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt: for the fluctuations around the means but rather fluctuations, and appearing in the following incompressible system of equations: on any wall; at initial time, and are assumed known. This contribution arose from discussion with J. P. Guiraud on attempts to push forward our last co-signed paper (1986) and the main idea is to put a stochastic structure on fluctuations and to identify the large eddies with a part of the probability space. The Reynolds stresses are derived from a kind of Monte-Carlo process on equations for fluctuations. Those are themselves modelled against a technique, using the Guiraud and Zeytounian (1986). The scheme consists in a set of like equations, considered as random, because they mimic the large eddy fluctuations. The Reynolds stresses are got from stochastic averaging over a family of their solutions. Asymptotics underlies the scheme, but in a rather loose hidden way. We explain this in relation with homogenizati- localization processes (described within the ยง3. 4 ofChapter 3). Ofcourse the mathematical well posedness of the scheme is not known and the numerics would be formidable! Whether this attempt will inspire researchers in the field of highly complex turbulent flows is not foreseeable and we have hope that the idea will prove useful.
Author : Nikolaos D. Katopodes
Publisher : Butterworth-Heinemann
ISBN 13 : 0128162511
Total Pages : 1022 pages
Book Rating : 4.1/5 (281 download)
Download or read book Free-Surface Flow written by Nikolaos D. Katopodes and published by Butterworth-Heinemann. This book was released on 2018-08-21 with total page 1022 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free Surface Flow: Environmental Fluid Mechanics introduces a wide range of environmental fluid flows, such as water waves, land runoff, channel flow, and effluent discharge. The book provides systematic analysis tools and basic skills for study fluid mechanics in natural and constructed environmental flows. As the prediction of changes in free surfaces in rivers, lakes, estuaries and in the ocean directly affects the design of structures that control surface waters, and because planning for the allocation of fresh-water resources in a sustainable manner is an essential goal, this book provides the necessary background and research. Helps users determine the transfer of solute mass through the air-water interface Presents tactics on the impact of free shear flow in the environment and how to quantify mixing mechanisms in turbulent jets and wakes Gives users tactics to predict the fate and transport of contaminants in stratified lakes and estuaries
Author : H.K. Kuiken
Publisher : Springer Science & Business Media
ISBN 13 : 9401006989
Total Pages : 388 pages
Book Rating : 4.4/5 (1 download)
Download or read book Practical Asymptotics written by H.K. Kuiken and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Practical Asymptotics is an effective tool for reducing the complexity of large-scale applied-mathematical models arising in engineering, physics, chemistry, and industry, without compromising their accuracy. It exploits the full potential of the dimensionless representation of these models by considering the special nature of the characteristic dimensionless quantities. It can be argued that these dimensionless quantities mostly assume extreme values, particularly for practical parameter settings. Thus, otherwise complicated models can be rendered far less complex and the numerical effort to solve them is greatly reduced. In this book the effectiveness of Practical Asymptotics is demonstrated by fifteen papers devoted to widely differing fields of applied science, such as glass-bottle production, semiconductors, surface-tension-driven flows, microwaving joining, heat generation in foodstuff production, chemical-clock reactions, low-Mach-number flows, to name a few. A strong plea is made for making asymptotics teaching an integral part of any numerics curriculum. Not only will asymptotics reduce the computational effort, it also provides a fuller understanding of the underlying problems.
Author : E. H. van Brummelen
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.F/5 ( download)
Download or read book Numerical Methods for Steady Viscous Free-surface Flows written by E. H. van Brummelen and published by . This book was released on 2003 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Vladimir V. Sychev
Publisher : Cambridge University Press
ISBN 13 : 9780521455305
Total Pages : 348 pages
Book Rating : 4.4/5 (553 download)
Download or read book Asymptotic Theory of Separated Flows written by Vladimir V. Sychev and published by Cambridge University Press. This book was released on 1998-08-28 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Boundary-layer separation from a rigid body surface is one of the fundamental problems of classical and modern fluid dynamics. The major successes achieved since the late 1960s in the development of the theory of separated flows at high Reynolds numbers are in many ways associated with the use of asymptotic methods. The most fruitful of these has proved to be the method of matched asymptotic expansions, which has been widely used in mechanics and mathematical physics. There have been many papers devoted to different problems in the asymptotic theory of separated flows and we can confidently speak of the appearance of a very productive direction in the development of theoretical hydrodynamics. This book will present this theory in a systematic account. The book will serve as a useful introduction to the theory, and will draw attention to the possibilities that application of the asymptotic approach provides.
Author : Claude Bardos
Publisher : Springer Science & Business Media
ISBN 13 : 0387752196
Total Pages : 395 pages
Book Rating : 4.3/5 (877 download)
Download or read book Instability in Models Connected with Fluid Flows II written by Claude Bardos and published by Springer Science & Business Media. This book was released on 2007-12-20 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a unique collection of papers, all written by leading specialists, that presents the most recent results and advances in stability theory as it relates to fluid flows. The stability property is of great interest for researchers in many fields, including mathematical analysis, theory of partial differential equations, optimal control, numerical analysis, and fluid mechanics. This text will be essential reading for many researchers working in these fields.
Author : Alexandre Caboussat
Publisher :
ISBN 13 :
Total Pages : 137 pages
Book Rating : 4.:/5 (853 download)
Download or read book Analysis and Numerical Simulation of Free Surface Flows written by Alexandre Caboussat and published by . This book was released on 2003 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J M Chadam
Publisher : CRC Press
ISBN 13 : 9780582215672
Total Pages : 278 pages
Book Rating : 4.2/5 (156 download)
Download or read book Free Boundary Problems in Fluid Flow with Applications written by J M Chadam and published by CRC Press. This book was released on 1993-02-22 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the third of three volumes containing the proceedings of the International Colloquium 'Free Boundary problems: Theory and Applications', held in Montreal from June 13 to June 22, 1990. The main part of this volume studies the flow of fluids, an area which has led to many of the classical free boundary problems. The first two sections contain the papers on various problems in fluid mechanics. The types of problems vary fromthe collision of two jets to the growth of a sand wave. In the next two sections porous flow is considered. This has important practical applications in fields such as petroleum engineering and groundwater pollution. Some new and interesting free boundary problems in geology and engineering are treated in the final section.
Author : Alexander G Kuz'min
Publisher : John Wiley & Sons
ISBN 13 : 047085295X
Total Pages : 316 pages
Book Rating : 4.4/5 (78 download)
Download or read book Boundary Value Problems for Transonic Flow written by Alexander G Kuz'min and published by John Wiley & Sons. This book was released on 2003-02-28 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transonic flow occurs around moving objects as they approach and cross the sound barrier. Serious problems can occur at this point, such as shock-induced flow separation which can cause the aircraft to spin out of control. Another important practical problem is the achievement of higher aerodynamic performance of aircraft at cruise conditions, which leads to considerable fuel savings. The success in application of numerical methods for simulation of transonic flow and aircraft design depends on developments in the underlying mathematical theory. This book presents a breakthrough in the solvability analysis of boundary value problems, which makes it possible to establish convergence of finite element approximations for shock-free flow and to provide a framework for putting the existing numerical methods on a more sound basis. Also, physical aspects concerned with patterns of formation and propagation of weak shock waves are analysed. This contributes to the understanding of the extreme sensitivity of transonic flow to perturbation of freestream conditions. The developed theoretical knowledge base yields promising concepts of the airfoil design and active flow control by airfoil/wing shape modifications or suction/blowing through a perforated surface. Boundary Value Problems for Transonic Flow * Focuses on Computational Fluid Dynamics. * Addresses practical problems, such as airfoil design and flow control. * Presents developments made in the last two decades. In essence this is a much needed monograph for researchers and engineers in applied mathematics and numerical analysis applied to aerodynamics and for algorithm developers in Computational Fluid Dynamics in the aircraft industry. It gives design engineers the underlying mathematical theory necessary for developing new concepts for airfoil/wing design and flow control.
Author : Oscar Castro-Orgaz
Publisher : Springer
ISBN 13 : 3319479717
Total Pages : 699 pages
Book Rating : 4.3/5 (194 download)
Download or read book Non-Hydrostatic Free Surface Flows written by Oscar Castro-Orgaz and published by Springer. This book was released on 2017-03-27 with total page 699 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides essential information on the higher mathematical level of approximation over the gradually varied flow theory, also referred to as the Boussinesq-type theory. In this context, it presents higher order flow equations, together with their applications in a broad range of pertinent engineering and environmental problems, including open channel, groundwater, and granular material flows.
Author : S. L. Wakelin
Publisher :
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4.:/5 (897 download)
Download or read book Variational Principles for Free Surface Flows written by S. L. Wakelin and published by . This book was released on 1992 with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nikolaos D. Katopodes
Publisher : Butterworth-Heinemann
ISBN 13 : 0128154888
Total Pages : 850 pages
Book Rating : 4.1/5 (281 download)
Download or read book Free-Surface Flow: written by Nikolaos D. Katopodes and published by Butterworth-Heinemann. This book was released on 2018-08-30 with total page 850 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free-Surface Flow: Shallow-Water Dynamics presents a novel approach to this phenomenon. It bridges the gap between traditional books on open-channel flow and analytical fluid mechanics. Shallow-water theory is established by formal integration of the Navier-Stokes equations, and boundary resistance is developed by a rigorous construction of turbulent flow models for channel flow. In addition, the book presents a comprehensive description of shallow-water waves by mathematical analysis. These methods form the foundation for understanding flood routing, sudden water releases, dam and levee break, sluice gate dynamics and wave-current interaction. Bridges the gap between traditional books on open-channel flow and wave mechanics Presents a comprehensive description of shallow-water waves by characteristic and bicharacteristic analysis Presents techniques for wave control and active flood mitigation
Author : Gayaz Khakimzyanov
Publisher : Springer Nature
ISBN 13 : 3030462676
Total Pages : 296 pages
Book Rating : 4.0/5 (34 download)
Download or read book Dispersive Shallow Water Waves written by Gayaz Khakimzyanov and published by Springer Nature. This book was released on 2020-09-15 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph presents cutting-edge research on dispersive wave modelling, and the numerical methods used to simulate the propagation and generation of long surface water waves. Including both an overview of existing dispersive models, as well as recent breakthroughs, the authors maintain an ideal balance between theory and applications. From modelling tsunami waves to smaller scale coastal processes, this book will be an indispensable resource for those looking to be brought up-to-date in this active area of scientific research. Beginning with an introduction to various dispersive long wave models on the flat space, the authors establish a foundation on which readers can confidently approach more advanced mathematical models and numerical techniques. The first two chapters of the book cover modelling and numerical simulation over globally flat spaces, including adaptive moving grid methods along with the operator splitting approach, which was historically proposed at the Institute of Computational Technologies at Novosibirsk. Later chapters build on this to explore high-end mathematical modelling of the fluid flow over deformed and rotating spheres using the operator splitting approach. The appendices that follow further elaborate by providing valuable insight into long wave models based on the potential flow assumption, and modified intermediate weakly nonlinear weakly dispersive equations. Dispersive Shallow Water Waves will be a valuable resource for researchers studying theoretical or applied oceanography, nonlinear waves as well as those more broadly interested in free surface flow dynamics.
Author : N. S. Asaithambi
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (89 download)
Download or read book A Numerical Method for Free-surface Flows written by N. S. Asaithambi and published by . This book was released on 1985 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nikolaos D. Katopodes
Publisher : Butterworth-Heinemann
ISBN 13 : 0128154861
Total Pages : 916 pages
Book Rating : 4.1/5 (281 download)
Download or read book Free-Surface Flow written by Nikolaos D. Katopodes and published by Butterworth-Heinemann. This book was released on 2018-10-31 with total page 916 pages. Available in PDF, EPUB and Kindle. Book excerpt: Free-Surface Flow: Computational Methods presents a detailed analysis of numerical schemes for shallow-water waves. It includes practical applications for the numerical simulation of flow and transport in rivers and estuaries, the dam-break problem and overland flow. Closure models for turbulence, such as Reynolds-Averaged Navier-Stokes and Large Eddy Simulation are presented, coupling the aforementioned surface tracking techniques with environmental fluid dynamics. While many computer programs can solve the partial differential equations describing the dynamics of fluids, many are not capable of including free surfaces in their simulations. Provides numerical solutions of the turbulent Navier-Stokes equations in three space dimensions Includes closure models for turbulence, such as Reynolds-Averaged Navier-Stokes, and Large Eddy Simulation Practical applications are presented for the numerical simulation of flow and transport in rivers and estuaries, the dam-break problem and overland flow
Author : Ruslan Kerimbekov
Publisher :
ISBN 13 :
Total Pages : 187 pages
Book Rating : 4.:/5 (643 download)
Download or read book Asymptotic and Numerical Analysis of Boundary Layer Separation in Compressible Fluid Flows written by Ruslan Kerimbekov and published by . This book was released on 2005 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt:
