Computation of Viscous Shock/shock Hypersonic Interactions with an Implicit Flux Split Scheme

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ISBN 13 :
Total Pages : 64 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Computation of Viscous Shock/shock Hypersonic Interactions with an Implicit Flux Split Scheme by : Datta V. Gaitonde

Download or read book Computation of Viscous Shock/shock Hypersonic Interactions with an Implicit Flux Split Scheme written by Datta V. Gaitonde and published by . This book was released on 1990 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of an impinging shock with the bow-shock generated by a blunt geometry is examined numerically for hypersonic (Mach 8, perfect gas) flows with modified Steger-Warming flux-split scheme. The modifications are designed to reduce numerical dissipation in the boundary layer thus improving the resolution and accuracy of the resulting algorithm. The full 2-D Navier- Stokes equations are solved in finite-volume formulation with central differencing for viscous terms and residual driven line Gauss-Seidel relaxation for time advancement. Grid resolution studies are performed. For a Type IV interaction, comparison with surface pressure and heat-transfer rates display good overall agreement with experimental values. For a Type III+ interaction, a detailed comparison is made with experimental surface quantities and a computation with Van Leer's flux-splitting algorithm. The peak amplification of pressure is modestly overpredicted with the current algorithm. The computed peak heat transfer is comparable to that obtained in previous research with Van Leer's splitting, although anomalous behavior is observed in the vicinity of the stagnation point. This behavior may be eliminated with appropriate corrections.

Computation of Viscous Shock/Shock Hypersonic Interactions with an Implicit Flux Split Scheme

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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (227 download)

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Book Synopsis Computation of Viscous Shock/Shock Hypersonic Interactions with an Implicit Flux Split Scheme by :

Download or read book Computation of Viscous Shock/Shock Hypersonic Interactions with an Implicit Flux Split Scheme written by and published by . This book was released on 1990 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of an impinging shock with the bow-shock generated by a blunt geometry is examined numerically for hypersonic (Mach 8, perfect gas) flows with modified Steger-Warming flux-split scheme. The modifications are designed to reduce numerical dissipation in the boundary layer thus improving the resolution and accuracy of the resulting algorithm. The full 2-D Navier- Stokes equations are solved in finite-volume formulation with central differencing for viscous terms and residual driven line Gauss-Seidel relaxation for time advancement. Grid resolution studies are performed. For a Type IV interaction, comparison with surface pressure and heat-transfer rates display good overall agreement with experimental values. For a Type III+ interaction, a detailed comparison is made with experimental surface quantities and a computation with Van Leer's flux-splitting algorithm. The peak amplification of pressure is modestly overpredicted with the current algorithm. The computed peak heat transfer is comparable to that obtained in previous research with Van Leer's splitting, although anomalous behavior is observed in the vicinity of the stagnation point. This behavior may be eliminated with appropriate corrections.

High-resolution Shock-capturing Schemes for Inviscid and Viscous Hypersonic Flows

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ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (317 download)

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Book Synopsis High-resolution Shock-capturing Schemes for Inviscid and Viscous Hypersonic Flows by :

Download or read book High-resolution Shock-capturing Schemes for Inviscid and Viscous Hypersonic Flows written by and published by . This book was released on 1988 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High-Resolution Shock-Capturing Schemes for Inviscid and Viscous Hypersonic Flows

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ISBN 13 : 9781728950129
Total Pages : 40 pages
Book Rating : 4.9/5 (51 download)

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Book Synopsis High-Resolution Shock-Capturing Schemes for Inviscid and Viscous Hypersonic Flows by : National Aeronautics and Space Adm Nasa

Download or read book High-Resolution Shock-Capturing Schemes for Inviscid and Viscous Hypersonic Flows written by National Aeronautics and Space Adm Nasa and published by . This book was released on 2018-10-18 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: A class of implicit Total Variation Diminishing (TVD) type algorithms suitable for transonic and supersonic multidimensional Euler and Navier-Stokes equations was extended to hypersonic computations. The improved conservative shock-capturing schemes are spatially second- and third-order, and are fully implicit. They can be first- or second-order accurate in time and are suitable for either steady or unsteady calculations. Enhancement of stability and convergence rate for hypersonic flows is discussed. With the proper choice of the temporal discretization and suitable implicit linearization, these schemes are fairly efficient and accurate for very complex two-dimensional hypersonic inviscid and viscous shock interactions. This study is complimented by a variety of steady and unsteady viscous and inviscid hypersonic blunt-body flow computations. Due to the inherent stiffness of viscous flow problems, numerical experiments indicated that the convergence rate is in general slower for viscous flows than for inviscid steady flows. Yee, H. C. and Klopfer, G. H. and Montagne, J.-L. Ames Research Center ...

Scientific and Technical Aerospace Reports

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ISBN 13 :
Total Pages : 704 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Numerical Study of Viscous Shock-on-shock Hypersonic Flows with a Modified Steger-Warming Flux Split Scheme

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis A Numerical Study of Viscous Shock-on-shock Hypersonic Flows with a Modified Steger-Warming Flux Split Scheme by : Datta Gaitonde

Download or read book A Numerical Study of Viscous Shock-on-shock Hypersonic Flows with a Modified Steger-Warming Flux Split Scheme written by Datta Gaitonde and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Super- and Hypersonic Aerodynamics and Heat Transfer

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Publisher : Routledge
ISBN 13 : 1351412930
Total Pages : 209 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Super- and Hypersonic Aerodynamics and Heat Transfer by : V.Z. Parton

Download or read book Super- and Hypersonic Aerodynamics and Heat Transfer written by V.Z. Parton and published by Routledge. This book was released on 2018-03-29 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent government and commercial efforts to develop orbital and suborbital passenger and transport aircraft have resulted in a burgeoning of new research. The articles in this book, translated from Russian, were contributed by the world's leading authorities on supersonic and hypersonic flows and heat transfer. This superb book addresses the physics and engineering aspects of ultra high-speed aerodynamic problems. Thorough coverage is given to an array of specific problem-solving equations. Super- and Hypersonic Aerodynamics and Heat Transfer will be essential reading for all aeronautical engineers, mechanical engineers, mathematicians, and physicists involved in this exciting field of research.

Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications

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Publisher : Springer Science & Business Media
ISBN 13 : 3322878694
Total Pages : 729 pages
Book Rating : 4.3/5 (228 download)

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Book Synopsis Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications by : Josef Ballmann

Download or read book Nonlinear Hyperbolic Equations — Theory, Computation Methods, and Applications written by Josef Ballmann and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 729 pages. Available in PDF, EPUB and Kindle. Book excerpt: On the occasion of the International Conference on Nonlinear Hyperbolic Problems held in St. Etienne, France, 1986 it was decided to start a two years cycle of conferences on this very rapidly expanding branch of mathematics and it·s applications in Continuum Mechanics and Aerodynamics. The second conference toolc place in Aachen, FRG, March 14-18, 1988. The number of more than 200 participants from more than 20 countries all over the world and about 100 invited and contributed papers, well balanced between theory, numerical analysis and applications, do not leave any doubt that it was the right decision to start this cycle of conferences, of which the third will be organized in Sweden in 1990. ThiS volume contains sixty eight original papers presented at the conference, twenty two cif them dealing with the mathematical theory, e.g. existence, uniqueness, stability, behaviour of solutions, physical modelling by evolution equations. Twenty two articles in numerical analysis are concerned with stability and convergence to the physically relevant solutions such as schemes especially deviced for treating shoclcs, contact discontinuities and artificial boundaries. Twenty four papers contain multidimensional computational applications to nonlinear waves in solids, flow through porous media and compressible fluid flow including shoclcs, real gas effects, multiphase phenomena, chemical reactions etc. The editors and organizers of the Second International Conference on Hyperbolic Problems would lilce to thanlc the Scientific Committee for the generous support of recommending invited lectures and selecting the contributed papers of the conference.

Government Reports Announcements & Index

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ISBN 13 :
Total Pages : 786 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1993 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:

International Aerospace Abstracts

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ISBN 13 :
Total Pages : 940 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis International Aerospace Abstracts by :

Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 940 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Calculation of Hypersonic Shock Structure Using Flux-Split Algorithms

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Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781725501287
Total Pages : 32 pages
Book Rating : 4.5/5 (12 download)

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Book Synopsis Calculation of Hypersonic Shock Structure Using Flux-Split Algorithms by : National Aeronautics and Space Administration (NASA)

Download or read book Calculation of Hypersonic Shock Structure Using Flux-Split Algorithms written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: There exists an altitude regime in the atmosphere that is within the continuum domain, but wherein the conventional Navier-Stokes equations cease to be accurate. The altitude limits for this so called continuum transition regime depend on vehicle size and speed. Within this regime the thickness of the bow shock wave is no longer negligible when compared to the shock stand-off distance and the peak radiation intensity occurs within the shock wave structure itself. For this reason it is no longer valid to treat the shock wave as a discontinuous jump and it becomes necessary to compute through the shock wave itself. To accurately calculate hypersonic flowfields, the governing equations must be capable of yielding realistic profiles of flow variables throughout the structure of a hypersonic shock wave. The conventional form of the Navier-Stokes equations is restricted to flows with only small departures from translational equilibrium; it is for this reason they do not provide the capability to accurately predict hypersonic shock structure. Calculations in the continuum transition regime, therefore, require the use of governing equations other than Navier-Stokes. Several alternatives to Navier-Stokes are discussed; first for the case of a monatomic gas and then for the case of a diatomic gas where rotational energy must be included. Results are presented for normal shock calculations with argon and nitrogen. Eppard, W. M. and Grossman, B. Unspecified Center NASA-CR-194296, NAS 1.26:194296, ICAM-91-07-04 NAG1-776...

Applied mechanics reviews

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ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (243 download)

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Book Synopsis Applied mechanics reviews by :

Download or read book Applied mechanics reviews written by and published by . This book was released on 1948 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Computational Aeronautical Fluid Dynamics

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Publisher : Oxford University Press, USA
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Computational Aeronautical Fluid Dynamics by : L. Fezoui

Download or read book Computational Aeronautical Fluid Dynamics written by L. Fezoui and published by Oxford University Press, USA. This book was released on 1994 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents high quality papers from the joint conference of the Institute of Mathematics and its Applications with the Applied and Industrial Maths Society of France. Of industrial and research interest, the conference focused on topics of current interest to applied mathematiciansand numerical analysts working on computational fluid dynamics with emphasis on the aeronautical industry.

Shock-wave/boundary Layer Interactions at Hypersonic Speeds by an Implicit Navier-Stokes Solver

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)

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Book Synopsis Shock-wave/boundary Layer Interactions at Hypersonic Speeds by an Implicit Navier-Stokes Solver by : Penelope Leyland

Download or read book Shock-wave/boundary Layer Interactions at Hypersonic Speeds by an Implicit Navier-Stokes Solver written by Penelope Leyland and published by . This book was released on 1993 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical and Aerospace Engineering IV

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Publisher : Trans Tech Publications Ltd
ISBN 13 : 3038262145
Total Pages : 740 pages
Book Rating : 4.0/5 (382 download)

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Book Synopsis Mechanical and Aerospace Engineering IV by : Dashnor Hoxha

Download or read book Mechanical and Aerospace Engineering IV written by Dashnor Hoxha and published by Trans Tech Publications Ltd. This book was released on 2013-08-30 with total page 740 pages. Available in PDF, EPUB and Kindle. Book excerpt: Collection of selected, peer reviewed papers from the 2013 4th International Conference on Mechanical and Aerospace Engineering (ICMAE 2013), July 20-21, 2013, Moscow, Russia. The 127 papers are grouped as follows: Chapter 1: Aerodynamics and Aeronautic; Chapter 2: Fluid Dynamics, CFD and other Computational Methods; Chapter 3: Computational Techniques, Simulation and Numerical Analysis; Chapter 4: Dynamics and Vibration; Chapter 5: Motors, Combustion, Propulsion, Fuel and Emission Control; Chapter 6: Instrumentation and Measurement, Control Systems and Automation; Chapter 7: Trajectory Design, Navigation and Control; Chapter 8: Materials Characterization and Technologies; Chapter 9: Design, Industry and Manufacturing Technologies; Chapter 10: Thermal Analysis Technologies, Heat Exchange Engineering and Applications.

Godunov Methods

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Publisher : Springer Science & Business Media
ISBN 13 : 1461506638
Total Pages : 1050 pages
Book Rating : 4.4/5 (615 download)

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Book Synopsis Godunov Methods by : E.F. Toro

Download or read book Godunov Methods written by E.F. Toro and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 1050 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edited review book on Godunov methods contains 97 articles, all of which were presented at the international conference on Godunov Methods: Theory and Applications, held at Oxford in October 1999, to commemo rate the 70th birthday of the Russian mathematician Sergei K. Godunov. The meeting enjoyed the participation of 140 scientists from 20 countries; one of the participants commented: everyone is here, meaning that virtu ally everybody who had made a significant contribution to the general area of numerical methods for hyperbolic conservation laws, along the lines first proposed by Godunov in the fifties, was present at the meeting. Sadly, there were important absentees, who due to personal circumstance could not at tend this very exciting gathering. The central theme o{ the meeting, and of this book, was numerical methods for hyperbolic conservation laws fol lowing Godunov's key ideas contained in his celebrated paper of 1959. But Godunov's contributions to science are not restricted to Godunov's method.

Frontiers of Computational Fluid Dynamics 2002

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Publisher : World Scientific
ISBN 13 : 9789812810793
Total Pages : 528 pages
Book Rating : 4.8/5 (17 download)

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Book Synopsis Frontiers of Computational Fluid Dynamics 2002 by : Robert William MacCormack

Download or read book Frontiers of Computational Fluid Dynamics 2002 written by Robert William MacCormack and published by World Scientific. This book was released on 2002 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This series of volumes on the OC Frontiers of Computational Fluid DynamicsOCO was introduced to honor contributors who have made a major impact on the field. The first volume was published in 1994 and was dedicated to Prof Antony Jameson; the second was published in 1998 and was dedicated to Prof Earl Murman. The volume is dedicated to Prof Robert MacCormack. The twenty-six chapters in the current volume have been written by leading researchers from academia, government laboratories, and industry. They present up-to-date descriptions of recent developments in techniques for numerical analysis of fluid flow problems, and applications of these techniques to important problems in industry, as well as the classic paper that introduced the OC MacCormack schemeOCO to the world. Contents: The Effect of Viscosity in Hypervelocity Impact Cratering (R W MacCormack); The MacCormack Method OCo Historical Perspective (C M Hung et al.); Numerical Solutions of Cauchy-Riemann Equations for Two and Three Dimensional Flows (M M Hafez & J Houseman); Extension of Efficient Low Dissipation High Order Schemes for 3-D Curvilinear Moving Grids (M Vinokur & H C Yee); Scalable Parallel Implicit Multigrid Solution of Unsteady Incompressible Flows (R Pankajakshan et al.); Lattice Boltzmann Simulation of Incompressible Flows (N Satofuka & M Ishikura); Numerical Simulation of MHD Effects on Hypersonic Flow of a Weakly Ionized Gas in an Inlet (R K Agarwal & P Deb); Development of 3D DRAGON Grid Method for Complex Geometry (M-S Liou & Y Zheng); Advances in Algorithms for Computing Aerodynamic Flows (D W Zingg et al.); Selected CFD Capabilities at DLR (W Kordulla); CFD Applications to Space Transportation Systems (K Fujii); Information Science OCo A New Frontier of CFD (K Oshima & Y Oshima); Integration of CFD into Aerodynamics Education (E M Murman & A Rizzi); and other papers. Readership: Researchers and graduate students in numerical and computational mathematics."