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Direct Numerical Simulation Of Compressible Homogeneous Turbulence Using Natural Initial Conditions
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Book Synopsis Direct numerical simulation of compressible homogeneous turbulence using natural initial conditions by : Vaibhav Bhutoria
Download or read book Direct numerical simulation of compressible homogeneous turbulence using natural initial conditions written by Vaibhav Bhutoria and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Analysis of Weakly Compressible Turbulence Using Symmetry Methods and Direct Numerical Simulation by : Raphael Gotthard Harald Arlitt
Download or read book Analysis of Weakly Compressible Turbulence Using Symmetry Methods and Direct Numerical Simulation written by Raphael Gotthard Harald Arlitt and published by Cuvillier Verlag. This book was released on 2005 with total page 221 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Analysis and Simulation of Compressible Turbulence by : Institute for Computer Applications in Science and Engineering
Download or read book The Analysis and Simulation of Compressible Turbulence written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1990 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pseudospectral Simulation of Compressible Turbulence Using Logarithmic Variables by : Institute for Computer Applications in Science and Engineering
Download or read book Pseudospectral Simulation of Compressible Turbulence Using Logarithmic Variables written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1993 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Simulation of Compressible Turbulence in a Shear Flow by : Institute for Computer Applications in Science and Engineering
Download or read book Direct Simulation of Compressible Turbulence in a Shear Flow written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1991 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Adm Nasa Publisher :Independently Published ISBN 13 :9781792054426 Total Pages :30 pages Book Rating :4.0/5 (544 download)
Book Synopsis Consistent Initial Conditions for the DNS of Compressible Turbulence by : National Aeronautics and Space Adm Nasa
Download or read book Consistent Initial Conditions for the DNS of Compressible Turbulence written by National Aeronautics and Space Adm Nasa and published by Independently Published. This book was released on 2018-12-29 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Relationships between diverse thermodynamic quantities appropriate to weakly compressible turbulence are derived. It is shown that for turbulence of a finite turbulent Mach number there is a finite element of compressibility. A methodology for generating initial conditions for the fluctuating pressure, density and dilatational velocity is given which is consistent with finite Mach number effects. Use of these initial conditions gives rise to a smooth development of the flow, in contrast to cases in which these fields are specified arbitrarily or set to zero. Comparisons of the effect of different types of initial conditions are made using direct numerical simulation of decaying isotropic turbulence. Ristorcelli, J. R. and Blaisdell, G. A. Langley Research Center NASA-CR-201589, NAS 1.26:201589, ICASE-96-49 NAS1-19480; RTOP 505-90-52-01...
Book Synopsis Numerical Simulations of Compressible Homogeneous Turbulence by : Gregory A. Blaisdell
Download or read book Numerical Simulations of Compressible Homogeneous Turbulence written by Gregory A. Blaisdell and published by . This book was released on 1991 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling Complex Turbulent Flows by : Manuel D. Salas
Download or read book Modeling Complex Turbulent Flows written by Manuel D. Salas and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Homogeneous Turbulence Dynamics by : Pierre Sagaut
Download or read book Homogeneous Turbulence Dynamics written by Pierre Sagaut and published by Springer. This book was released on 2018-03-23 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides state-of-the-art results and theories in homogeneous turbulence, including anisotropy and compressibility effects with extension to quantum turbulence, magneto-hydodynamic turbulence and turbulence in non-newtonian fluids. Each chapter is devoted to a given type of interaction (strain, rotation, shear, etc.), and presents and compares experimental data, numerical results, analysis of the Reynolds stress budget equations and advanced multipoint spectral theories. The role of both linear and non-linear mechanisms is emphasized. The link between the statistical properties and the dynamics of coherent structures is also addressed. Despite its restriction to homogeneous turbulence, the book is of interest to all people working in turbulence, since the basic physical mechanisms which are present in all turbulent flows are explained. The reader will find a unified presentation of the results and a clear presentation of existing controversies. Special attention is given to bridge the results obtained in different research communities. Mathematical tools and advanced physical models are detailed in dedicated chapters.
Book Synopsis Direct Numerical Simulation of Homogeneous Isotropic Turbulence by : Sarah Moussa Hussein
Download or read book Direct Numerical Simulation of Homogeneous Isotropic Turbulence written by Sarah Moussa Hussein and published by . This book was released on 2019 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turbulence has been a topic of scientific research for years. Characterized by unorganized chaotic motion and irregular fluctuations, it persists as one of the most challenging topics in fluid mechanics despite volumes of documented research and crucial findings. This begs the question: What is turbulence and why is it so challenging? Turbulence research studies cover a wide spectrum of branches from fundamental flow propagation to different turbulence interactions. This research project investigates the simplest class of turbulent flow studies, homogeneous isotropic turbulence. In a quest to advance the fundamental understanding of turbulence physics, a direct numerical simulation tool is developed. The tool generates a turbulent periodic cube with vortical fluctuations and three interaction case studies. The evolution of the velocity in time is derived from the Navier-Stokes equations. These governing equations are integrated, along with initial and boundary conditions, to formulate turbulence. Fully-developed turbulence is achieved when the Tavoularis (1978) criterion of axial velocity variation is met. Output data sets are collected for numerical analysis. The turbulence periodic cube geometry is assessed for its applicability in this study. The simplified structure is found to be efficient and facilitated. The interaction case studies of shock-turbulence and detonation-turbulence are compared to an unforced flow interaction. The case studies are statistically analyzed and visualized yielding important conclusions on the effects of the fluctuations, heat release, detonation inherent length scale, and detonation intrinsic instability on the flow behavior. A mutual interaction is found between the turbulence structures and the strong detonation wave. An extension of the long-standing Tavoularis velocity skewness factor is suggested. The proposed velocity skewness vector quantifies the variation of the three velocity components in the three Cartesian coordinates. This comprehensive expression highlights the contribution of the three-dimensional velocity fluctuations to the turbulence state.
Book Synopsis Numerical Simulation of Compressible Homogeneous Turbulence by : G. A. Blaisdell
Download or read book Numerical Simulation of Compressible Homogeneous Turbulence written by G. A. Blaisdell and published by . This book was released on 1991 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Higher-level Simulations of Turbulent Flows by : J. H. Ferziger
Download or read book Higher-level Simulations of Turbulent Flows written by J. H. Ferziger and published by . This book was released on 1981 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: The five major categories of this paper are: Correlations, Integral methods, Reynolds-averaged equations, large eddy simulation, and full simulation.
Book Synopsis Initial Conditions for Direct Numerical Simulation of Turbulence by : Stewart Cant
Download or read book Initial Conditions for Direct Numerical Simulation of Turbulence written by Stewart Cant and published by . This book was released on 2012 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Analysis and Modeling of Dilatational Terms in Compressible Turbulence by : S. Sarkar
Download or read book The Analysis and Modeling of Dilatational Terms in Compressible Turbulence written by S. Sarkar and published by . This book was released on 1989 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Numerical Simulation of Homogeneous Turbulence by :
Download or read book Direct Numerical Simulation of Homogeneous Turbulence written by and published by . This book was released on 1996 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Studying Turbulence Using Numerical Simulation Databases - V. by : Center for Turbulence Research (U.S.)
Download or read book Studying Turbulence Using Numerical Simulation Databases - V. written by Center for Turbulence Research (U.S.) and published by . This book was released on 1994 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Consistent Initial Conditions for the DNS of Compressible Turbulence by : J. R. Ristorcelli
Download or read book Consistent Initial Conditions for the DNS of Compressible Turbulence written by J. R. Ristorcelli and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
