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Development Of A Vorticity Velocity Navier Stokes Formulation For The Study Of Compressibility Effects On Dynamic Stall
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725649606 Total Pages :36 pages Book Rating :4.6/5 (496 download)
Book Synopsis Development of a Vorticity-Velocity Navier-Stokes Formulation for the Study of Compressibility Effects on Dynamic Stall by : National Aeronautics and Space Administration (NASA)
Download or read book Development of a Vorticity-Velocity Navier-Stokes Formulation for the Study of Compressibility Effects on Dynamic Stall 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 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first major area of this study was to develop a vorticity-velocity formulation and numerical solution algorithms suitable for the analyses of incompressible as well as low-to- moderate-speed compressible flows. Research performed towards contributing to the determination of the appropriate vorticity and dilation creation boundary conditions suggested to temporarily set aside this approach and use a primitive-variable approach other than the pseudo-compressibility approach used. The second major area of study was initiated to comprehensively examine the INS-2D and INS-3D programs from the point of view of boundary conditions. The research carried out was documented in the form of two technical papers which are included in Appendices A and B; the boundary-condition related issues for INS-3D are briefly mentioned. Ghia, K. N. and Ghia, U. Ames Research Center NCC2-5096...
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:
Book Synopsis Development of LES Methodology for the Analysis of High-Reynolds Number 2-D and 3-D Dynamic Stall Phenomenon by : Kirti N. Ghia
Download or read book Development of LES Methodology for the Analysis of High-Reynolds Number 2-D and 3-D Dynamic Stall Phenomenon written by Kirti N. Ghia and published by . This book was released on 1997 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major objective of the AASERT Grant was to improve the analysis tools as well as assure the level of accuracy and efficiency that can be realized in the study of physics of the dynamic stall and related unsteady phenomena, through the development of the LES/DNS methodology. One M.S. and three Ph. D students were supported partially on this grant. The work carried out consisted of study of external unsteady flow using vorticity stream function formulation, analysis of boundary layer receptivity and transition using DNS methodology with spectral technique and, finally, compressibility effects in maneuvering body flows. Significant accomplishment is made in Object Oriented Numerics and high performance computing.
Book Synopsis Development of a Compressible Vorticity-velocity Formulation for Studying Vortex-dominated Flows by : Christopher T. Noll
Download or read book Development of a Compressible Vorticity-velocity Formulation for Studying Vortex-dominated Flows written by Christopher T. Noll and published by . This book was released on 1994 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1998 with total page 984 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis On the Advantages of the Vorticity-velocity Formulation of the Equations of Fluid Dynamics by : Charles G. Speziale
Download or read book On the Advantages of the Vorticity-velocity Formulation of the Equations of Fluid Dynamics written by Charles G. Speziale and published by . This book was released on 1986 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Study of the Two- and Three-dimensional Unsteady Navier-Stokes Equations in Velocity-vorticity Variables Using Compact Difference Schemes by : Institute for Computer Applications in Science and Engineering
Download or read book A Numerical Study of the Two- and Three-dimensional Unsteady Navier-Stokes Equations in Velocity-vorticity Variables Using Compact Difference Schemes written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1984 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781723497520 Total Pages :220 pages Book Rating :4.4/5 (975 download)
Book Synopsis A Dual Potential Formulation of the Navier-Stokes Equations by : National Aeronautics and Space Administration (NASA)
Download or read book A Dual Potential Formulation of the Navier-Stokes Equations written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-23 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dual potential formulation for numerically solving the Navier-Stokes equations is developed and presented. The velocity field is decomposed using a scalar and vector potential. Vorticity and dilatation are used as the dependent variables in the momentum equations. Test cases in two dimensions verify the capability to solve flows using approximations from potential flow to full Navier-Stokes simulations. A three-dimensional incompressible flow formulation is also described. An interesting feature of this approach to solving the Navier-Stokes equations is the decomposition of the velocity field into a rotational part (vector potential) and an irrotational part (scalar potential). The Helmholtz decomposition theorem allows this splitting of the velocity field. This approach has had only limited use since it increases the number of dependent variables in the solution. However, it has often been used for incompressible flows where the solution scheme is known to be fast and accurate. This research extends the usage of this method to fully compressible Navier-Stokes simulations by using the dilatation variable along with vorticity. A time-accurate, iterative algorithm is used for the uncoupled solution of the governing equations. Several levels of flow approximation are available within the framework of this method. Potential flow, Euler and full Navier-Stokes solutions are possible using the dual potential formulation. Solution efficiency can be enhanced in a straightforward way. For some flows, the vorticity and/or dilatation may be negligible in certain regions (e.g., far from a viscous boundary in an external flow). It is possible to drop the calculation of these variables then and optimize the solution speed. Also, efficient Poisson solvers are available for the potentials. The relative merits of non-primitive variables versus primitive variables for solution of the Navier-Stokes equations are also discussed. Gegg, S. G. and Pletcher, R. H. and Steger, J. L. Unspec...
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Navier-stokes Equations In Planar Domains by : Matania Ben-artzi
Download or read book Navier-stokes Equations In Planar Domains written by Matania Ben-artzi and published by World Scientific. This book was released on 2013-03-07 with total page 315 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume deals with the classical Navier-Stokes system of equations governing the planar flow of incompressible, viscid fluid. It is a first-of-its-kind book, devoted to all aspects of the study of such flows, ranging from theoretical to numerical, including detailed accounts of classical test problems such as “driven cavity” and “double-driven cavity”.A comprehensive treatment of the mathematical theory developed in the last 15 years is elaborated, heretofore never presented in other books. It gives a detailed account of the modern compact schemes based on a “pure streamfunction” approach. In particular, a complete proof of convergence is given for the full nonlinear problem.This volume aims to present a variety of numerical test problems. It is therefore well positioned as a reference for both theoretical and applied mathematicians, as well as a text that can be used by graduate students pursuing studies in (pure or applied) mathematics, fluid dynamics and mathematical physics./a
Book Synopsis High Accuracy Solutions of Incompressible Navier-Stokes Equations by : Murli M. Gupta
Download or read book High Accuracy Solutions of Incompressible Navier-Stokes Equations written by Murli M. Gupta and published by . This book was released on 1990 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Examination of the Solutions of the Navier-Stokes Equations for a Class of Three-dimensional Vortices by : Coleman duP. Donaldson
Download or read book Examination of the Solutions of the Navier-Stokes Equations for a Class of Three-dimensional Vortices written by Coleman duP. Donaldson and published by . This book was released on 1960 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Numerical Study of the Two-dimensional Navier-Stokes Equations in Vorticity-velocity Variables by : T. B. Gatski
Download or read book A Numerical Study of the Two-dimensional Navier-Stokes Equations in Vorticity-velocity Variables written by T. B. Gatski and published by . This book was released on 1981 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 300) by :
Download or read book Aeronautical Engineering: A Cumulative Index to a Continuing Bibliography (supplement 300) written by and published by . This book was released on 1994 with total page 686 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compressible Navier-Stokes Equations: A Study of Leading Edge Effects by : S. I. Hariharan
Download or read book Compressible Navier-Stokes Equations: A Study of Leading Edge Effects written by S. I. Hariharan and published by . This book was released on 1987 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA SP. written by and published by . This book was released on 1992 with total page 654 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied Analysis of the Navier-Stokes Equations by : Charles R. Doering
Download or read book Applied Analysis of the Navier-Stokes Equations written by Charles R. Doering and published by Cambridge University Press. This book was released on 1995 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: This introductory physical and mathematical presentation of the Navier-Stokes equations focuses on unresolved questions of the regularity of solutions in three spatial dimensions, and the relation of these issues to the physical phenomenon of turbulent fluid motion.
