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Friday, July 31, 2020 | History

4 edition of The analysis and simulation of compressible turbulence found in the catalog.

The analysis and simulation of compressible turbulence

The analysis and simulation of compressible turbulence

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Published by National Aeronautics and Space Administration, Langley Research Center in Hampton, Va .
Written in English


Edition Notes

StatementGordon Erlebacher ... [et al.].
SeriesICASE report -- no. 90-15., NASA contractor report -- 181997., NASA contractor report -- NASA CR-181997.
ContributionsErlebacher, Gordon, 1957-, Langley Research Center.
The Physical Object
FormatMicroform
Pagination1 v.
ID Numbers
Open LibraryOL17631954M
OCLC/WorldCa65176697

Introduction to Turbulence. This book explains the following topics: Fundamental Considerations, Statistical Analysis and Modeling of Turbulence, Large-Eddy Simulation and Multi-Scale Methods. Author(s): J. M. McDonough. Pages. Turbines, NonNewtonian flow, NonNewtonian Fluids and Compressible Flows. The analysis and simulation of compressible turbulence. H. O. Kreiss, Gordon Erlebacher and S. Sarkar. Abstract. Compressible turbulent flows at low turbulent Mach numbers are considered. Contrary to the general belief that such flows are almost incompressible, (i.e., the divergence of the velocity field remains small for all times), it is.

  On underresolved simulations of compressible turbulence using an entropy-bounded DG method: Solution stabilization, scheme optimization, and benchmark against a finite-volume solver Computers & Fluids, Vol. This book introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used.

  Three-dimensional Simulation of the Fast Solar Wind Driven by Compressible Magnetohydrodynamic Turbulence. Munehito Shoda 1,2, Takeru Ken Suzuki 3, Mahboubeh Asgari-Targhi 4, (MHD) simulation, we have reproduced the fast solar wind in a direct and self-consistent manner, based on the wave/turbulence-driven scenario. The analysis of. SIMULATION OF COMPRESSIBLE TURBULENCE documented in several review articles [9, 10] and two books [11, 16]. These two articles This form is also similar to the one-dimensional compressible analysis having the self-similar terms proportional to the convexity of .


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The analysis and simulation of compressible turbulence Download PDF EPUB FB2

The Analysis and Simulation of Compressible Turbulence Article (PDF Available) in Theoretical and Computational Fluid Dynamics 2(2) February with 76 Reads How we measure 'reads'. This paper considers compressible turbulent flows at low turbulent Mach numbers.

Contrary to the general belief that such flows are almost incompressible (i.e., the divergence of the velocity field remains small for all times), it is shown that even. This paper considers compressible turbulent flows at low turbulent Mach numbers.

Contrary to the general belief that such flows are almost incompressible (i.e., the divergence of the velocity field remains small for all times), it is shown that even if the divergence of the initial velocity field is negligibly small, it can grow rapidly on a nondimensional time scale which is the order of the Cited by: Compressibility, Turbulence and High Speed Flow introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range, through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used.

The book provides the reader with the necessary background and current trends in. This book addresses both the fundamentals and the practical industrial applications of Large Eddy Simulation (LES) in order to bridge the gap between LES research and the growing need to use it in engineering modeling.

Large Eddy Simulation for Compressible Flows. Eric Garnier, Nikolaus Adams, P. Sagaut. The k--epsilon turbulence model is widely used to simulate compressible flows. The model has been evaluated extensively in incompressible flows.

However, the extension of the model to compressible flows needs more testing. This dissertation presents a detailed analysis and a comprehensive evaluation of the k--epsilon model for compressible flows using direct numerical simulation (DNS) of a Author: Krishnendu Sinha.

Direct numerical simulations play an important role in both the understanding of compressible turbulence dynamics and the calibration of turbulence closure models. The chapter discusses simulation methods, where either all (in theory) the turbulence scales are resolved (DNS) or where only a portion of the turbulent scales are resolved (LES).

Large Eddy Simulation (LES) of compressible flows is still a widely unexplored area of research. The authors, whose books are considered the most relevant monographs in this field, provide the reader with a comprehensive state-of-the-art presentation of the available LES theory and application.“ A Preliminary Compressible Second-Order Closure Model for High Speed Flows,” NASA CR, July Google Scholar [7] Sarkar S., Erlebacher G., Hussaini M.

and Kreiss H. O., “ The Analysis and Modeling of Dilatational Terms in Compressible Turbulence,” Journal of Fluid Mechanics, Vol. Junepp. –Author: Zhibin Zhu, Xuejun Zhang, Xun Wang, Liang Zhang. This book treats the numerical analysis of finite element computational fluid dynamics.

Assuming minimal background, the text covers finite element methods; the derivation, behavior, analysis, and numerical analysis of Navier–Stokes equations; and turbulence and turbulence.

Large-Eddy Simulations of Turbulence is an ideal introduction for people new to LES [large-eddy simulation], direct numerical simulation and Reynolds-averaged Navier-Stokes simulation, and as a reference for researchers.

Of particular interest in the text are the detailed discussion, in Chapter 2, of vorticity, pressure, and the velocity gradient tensor, quantities useful for probing the 1/5(1).

Numerical investigation of the compressible flow past an 18% thick circular-arc aerofoil was carried out using detached-eddy simulation for a free-stream Mach number M ∞ = and a Reynolds number Re = × 10 s have been validated carefully against experimental data. along with the results of a large-eddy simulation of compressible isotropic turbulence.

Subgrid-scale models for compressible turbulence The compressible turbulent flow of an ideal gas is considered. Such flows are governed by the continuity, momentum and energy equations which - neglecting body forces - are given by (cf. Batchelor ). COVID Resources.

Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

This book introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used. For the computation of turbulent compressible flows, current methods of averaging Author: Gatski.

We derive and analyze a model for implicit Large Eddy Simulation (LES) of compressible flows that is applicable to a broad range of Mach numbers and particularly efficient for LES of shock-turbulence interaction. Following a holistic modeling philosophy, physically sound turbulence modeling and numerical modeling of unresolved subgrid scales (SGS) are fully merged, in a manner.

The production of turbulent kinetic energy (TKE) and flow structures in compressible homogeneous turbulent shear flow (HTSF) are investigated by using direct numerical simulation. A theoretical analysis suggests that the vertical turbulent transport process should be responsible for the production of TKE in HTSF.

It is manifested based on a conditional average method that the pure TKE. This book introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range through a unique complimentary treatment of both the theoretical. Using a three-dimensional compressible magnetohydrodynamic (MHD) simulation, we have reproduced the fast solar wind in a direct and self-consistent manner, based on the wave/turbulence driven scenario.

As a natural consequence of Alfvenic perturbations at its base, highly compressional and turbulent fluctuations are generated, leading to heating and acceleration of the solar wind. The analysis. Pierre Saugaut is one of the leading scientists in scientific computing (Simulation, Analysis and Modeling of Compressible Turbulent Flows), and his books are considered the most important in the field of LES theory and applications (he has been given the ONERA award for the best scientific publication in).

Abstract: Compressible turbulent flows at low turbulent Mach numbers are considered. Contrary to the general belief that such flows are almost incompressible (i.e., the divergence of the velocity field remains small for all times), it is shown that even if the divergence of the initial velocity field is negligibly small, it can grow rapidly on a nondimensional time scale which is the inverse Cited by: Pierre Saugaut is one of the leading scientists in scientific computing (Simulation, Analysis and Modeling of Compressible Turbulent Flows), and his books are considered the most important in the field of LES theory and applications (he has been given the ONERA award for the best scientific publication in).Cited by: Direct numerical simulation of turbulent homogeneous shear ow is performed in order to clarify compressibility effects on the turbulence growth in the flow.

The two Mach numbers relevant to homogeneous shear flow are the turbulent Mach number Mt and the gradient Mach number Mg.