Analysis And Improvement Of Upwind And Centered Schemes On Quadrilateral And Triangular Meshes
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Analysis And Improvement Of Upwind And Centered Schemes On Quadrilateral And Triangular Meshes
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Author :
language : en
Publisher:
Release Date : 2003
Analysis And Improvement Of Upwind And Centered Schemes On Quadrilateral And Triangular Meshes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Analysis And Improvement Of Upwind And Centered Schemes On Quadrilateral And Triangular Meshes
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-05-29
Analysis And Improvement Of Upwind And Centered Schemes On Quadrilateral And Triangular Meshes written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-05-29 with categories.
Second-order accurate upwind and centered schemes are presented in a framework that facilitates their analysis and comparison. The upwind scheme employed consists of a reconstruction step (MUSCL approach) followed by an upwind step (Roe's flux-difference splitting). The two centered schemes are of Lax-Friedrichs (L-F) type. They are the nonstaggered versions of the Nessyahu-Tadmor (N-T) scheme and the CE/SE method with epilson = 1/2. The upwind scheme is extended to the case of two spatial dimensions (2D) in a straightforward manner. The N-T and CE/SE schemes are extended in a manner similar to the 2D extensions of the CE/SE scheme by Wang and Chang for a triangular mesh and by Zhang, Yu, and Chang for a quadrilateral mesh. The slope estimates, however, are simplified. Fourier stability and accuracy analyses are carried out for these schemes for the standard 1D and the 2D quadrilateral mesh cases. In the nonstandard case of a triangular mesh, the triangles must be paired up when analyzing the upwind and N-T schemes. An observation resulting in an extended N-T scheme which is faster and uses only one-third of the storage for flow data compared with the CE/SE method is presented. Numerical results are shown. Other improvements to the schemes are discussed.Huynh, H. T.Glenn Research CenterUPWIND SCHEMES (MATHEMATICS); COMPUTATIONAL FLUID DYNAMICS; FINITE DIFFERENCE THEORY; EULER EQUATIONS OF MOTION; STRUCTURED GRIDS (MATHEMATICS); SPACE-TIME CE/SE METHOD; FLOW EQUATIONS; TWO DIMENSIONAL MODELS; GRID GENERATION (MATHEMATICS); FOURIER ANALYSIS
30th International Symposium On Shock Waves 2
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Author : Gabi Ben-Dor
language : en
Publisher: Springer
Release Date : 2017-08-01
30th International Symposium On Shock Waves 2 written by Gabi Ben-Dor and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-01 with Technology & Engineering categories.
These proceedings collect the papers presented at the 30th International Symposium on Shock Waves (ISSW30), which was held in Tel-Aviv Israel from July 19 to July 24, 2015. The Symposium was organized by Ortra Ltd. The ISSW30 focused on the state of knowledge of the following areas: Nozzle Flow, Supersonic and Hypersonic Flows with Shocks, Supersonic Jets, Chemical Kinetics, Chemical Reacting Flows, Detonation, Combustion, Ignition, Shock Wave Reflection and Interaction, Shock Wave Interaction with Obstacles, Shock Wave Interaction with Porous Media, Shock Wave Interaction with Granular Media, Shock Wave Interaction with Dusty Media, Plasma, Magnetohyrdrodynamics, Re-entry to Earth Atmosphere, Shock Waves in Rarefied Gases, Shock Waves in Condensed Matter (Solids and Liquids), Shock Waves in Dense Gases, Shock Wave Focusing, Richtmyer-Meshkov Instability, Shock Boundary Layer Interaction, Multiphase Flow, Blast Waves, Facilities, Flow Visualization, and Numerical Methods. The two volumes serve as a reference for the participants of the ISSW30 and anyone interested in these fields.
40th Aiaa Asme Sae Asee Joint Propulsion Conference Exhibit July 11 14 2004 Fort Lauderdale Fl 04 4000 04 4049
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Author :
language : en
Publisher:
Release Date : 2004
40th Aiaa Asme Sae Asee Joint Propulsion Conference Exhibit July 11 14 2004 Fort Lauderdale Fl 04 4000 04 4049 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Airplanes categories.
International Aerospace Abstracts
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Author :
language : en
Publisher:
Release Date : 1999
International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Aeronautics categories.
Computational Algorithms For Shallow Water Equations
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Author : Eleuterio F. Toro
language : en
Publisher: Springer Nature
Release Date : 2024-08-01
Computational Algorithms For Shallow Water Equations written by Eleuterio F. Toro and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2024-08-01 with Mathematics categories.
This book is a thoroughly revised and enlarged version of “Shock-capturing methods for free-surface shallow flows", first published by Wiley and Sons, 2001. The book describes mathematically free-surface flows through partial differential equations and includes modern shock-capturing methods to solve them, with strong emphasis on finite volume upwind and centred methods. Such equations and methods are fundamental in simulating shallow water flows but also atmospheric flows, dispersion of dense gases and the dynamics of mixtures of materials. The book is accompanied by numerical software in the form of sample computer programs as supplementary material. In this new edition, additional sections have been introduced to existing chapters. Also, new chapters have been included; one contains a review of the mathematics of hyperbolic partial differential equations, another introduces the numerical analysis of partial differential equations and another one deals with advanced very-high order numerical methods in the finite volume and discontinuous Galerkin frameworks. Furthermore, comprehensive modifications and corrections have been made throughout various sections of the text, and numerous figures depicting numerical results have been enhanced. This book is primarily intended for environmental scientists, applied mathematicians and engineers in academia, research laboratories, industry and consultancy organisations. Senior undergraduate and postgraduate students involved with mathematical modelling and computational methods for environmental problems will benefit from studying this book. Lecturers could use most of the material for courses on numerical methods for wave propagation problems in hydraulics, oceanography, atmospherics and other geophysical fluid dynamics contexts.
Aeronautical Engineering A Cumulative Index To A Continuing Bibliography Supplement 300
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Author :
language : en
Publisher:
Release Date : 1994
Aeronautical Engineering A Cumulative Index To A Continuing Bibliography Supplement 300 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Applied Mechanics Reviews
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Author :
language : en
Publisher:
Release Date : 1993
Applied Mechanics Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Mechanics, Applied categories.
Mathematical Reviews
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Author :
language : en
Publisher:
Release Date : 2005
Mathematical Reviews written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Mathematics categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1986-04
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986-04 with Aeronautics categories.