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Global Artificial Boundary Conditions For Computation Of External Flow Problems With Propulsive Jets
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722259556 Total Pages :24 pages Book Rating :4.2/5 (595 download)
Book Synopsis Global Artificial Boundary Conditions for Computation of External Flow Problems with Propulsive Jets by : National Aeronautics and Space Administration (NASA)
Download or read book Global Artificial Boundary Conditions for Computation of External Flow Problems with Propulsive Jets written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-03 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: We propose new global artificial boundary conditions (ABC's) for computation of flows with propulsive jets. The algorithm is based on application of the difference potentials method (DPM). Previously, similar boundary conditions have been implemented for calculation of external compressible viscous flows around finite bodies. The proposed modification substantially extends the applicability range of the DPM-based algorithm. In the paper, we present the general formulation of the problem, describe our numerical methodology, and discuss the corresponding computational results. The particular configuration that we analyze is a slender three-dimensional body with boat-tail geometry and supersonic jet exhaust in a subsonic external flow under zero angle of attack. Similarly to the results obtained earlier for the flows around airfoils and wings, current results for the jet flow case corroborate the superiority of the DPM-based ABC's over standard local methodologies from the standpoints of accuracy, overall numerical performance, and robustness. Tsynkov, Semyon and Abarbanel, Saul and Nordstrom, Jan and Ryabenkii, Viktor and Vatsa, Veer Goddard Space Flight Center; Langley Research Center NAS1-97046; RTOP 505-90-52-01...
Book Synopsis Global Artificial Boundary Conditions for Computation of External Flow Problems with Propulsive Jets by : Semyon Tsynkov
Download or read book Global Artificial Boundary Conditions for Computation of External Flow Problems with Propulsive Jets written by Semyon Tsynkov and published by . This book was released on 1998 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Viktor S. Ryaben'kii Publisher :Springer Science & Business Media ISBN 13 :9783540426332 Total Pages :568 pages Book Rating :4.4/5 (263 download)
Book Synopsis Method of Difference Potentials and Its Applications by : Viktor S. Ryaben'kii
Download or read book Method of Difference Potentials and Its Applications written by Viktor S. Ryaben'kii and published by Springer Science & Business Media. This book was released on 2001-11-06 with total page 568 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first English edition of a well-known Russian monograph. This book presents the method of difference potentials first proposed by the author in 1969, and contains illustrative examples and new algorithms for solving applied problems of gas dynamics, diffraction, scattering theory, and active noise screening.
Book Synopsis On the Combined Performance of Non-local Artificial Boundary Conditions with the New Generation of Advanced Multigrid Flow Solvers by : T. W. Roberts
Download or read book On the Combined Performance of Non-local Artificial Boundary Conditions with the New Generation of Advanced Multigrid Flow Solvers written by T. W. Roberts and published by . This book was released on 2000 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: We develop theoretically and implement numerically a unified flow solution methodology that combines the advantages relevant to two independent groups of methods in CFD that have recently proven successful: The new factorizable schemes for the equations of hydrodynamics that facilitate the construction of optimally convergent multigrid algorithms, and highly accurate global far-field artificial boundary conditions (ABCs). The primary result that we have obtained is the following. Global ABCs do not hamper the optimal (i.e., unimprovable) multigrid convergence rate pertinent to the solver. At the same time, contrary to the standard local ABCs, the solution accuracy provided by the global ABCs deteriorates very slightly or does not deteriorate at all when the computational domain shrinks, which clearly translates into substantial savings of computer resources.
Book Synopsis Research in Applied Mathematics, Fluid Mechanics and Computer Science by :
Download or read book Research in Applied Mathematics, Fluid Mechanics and Computer Science written by and published by . This book was released on 1999 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIAA Journal by : American Institute of Aeronautics and Astronautics
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2000 with total page 1312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1968 with total page 1786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research Directions in Computational Mechanics by : National Research Council
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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 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Institute for Computational Mechanics in Propulsion, Seventh Annual Report, 1992 by : Charles E. Feiler
Download or read book Institute for Computational Mechanics in Propulsion, Seventh Annual Report, 1992 written by Charles E. Feiler and published by . This book was released on 1993 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Book Synopsis Computational Aeroacoustics by : Christopher K. W. Tam
Download or read book Computational Aeroacoustics written by Christopher K. W. Tam and published by Cambridge University Press. This book was released on 2012-09-28 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational aeroacoustics (CAA) is a relatively new research area. CAA algorithms have developed rapidly and the methods have been applied in many areas of aeroacoustics. The objective of CAA is not simply to develop computational methods but also to use these methods to solve practical aeroacoustics problems and to perform numerical simulation of aeroacoustic phenomena. By analysing the simulation data, an investigator can determine noise generation mechanisms and sound propagation processes. This is both a textbook for graduate students and a reference for researchers in CAA and as such is self-contained. No prior knowledge of numerical methods for solving partial differential equations (PDEs) is needed, however, a general understanding of partial differential equations and basic numerical analysis is assumed. Exercises are included and are designed to be an integral part of the chapter content. In addition, sample computer programs are included to illustrate the implementation of the numerical algorithms.
Book Synopsis Aeroacoustics of Flight Vehicles by : Harvey H. Hubbard
Download or read book Aeroacoustics of Flight Vehicles written by Harvey H. Hubbard and published by . This book was released on 1991 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Institute for Computational Mechanics in Propulsion (ICOMP) by :
Download or read book Institute for Computational Mechanics in Propulsion (ICOMP) written by and published by . This book was released on 1993 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computational Fluid Dynamics by : Jiri Blazek
Download or read book Computational Fluid Dynamics written by Jiri Blazek and published by Elsevier. This book was released on 2005-12-20 with total page 491 pages. Available in PDF, EPUB and Kindle. Book excerpt: Computational Fluid Dynamics (CFD) is an important design tool in engineering and also a substantial research tool in various physical sciences as well as in biology. The objective of this book is to provide university students with a solid foundation for understanding the numerical methods employed in today's CFD and to familiarise them with modern CFD codes by hands-on experience. It is also intended for engineers and scientists starting to work in the field of CFD or for those who apply CFD codes. Due to the detailed index, the text can serve as a reference handbook too. Each chapter includes an extensive bibliography, which provides an excellent basis for further studies.
