Computation Of Navier Stokes Equations For Three Dimensional Flow Separation PDF Download
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Author | : National Aeronautics and Space Administration (NASA) |
Publisher | : Createspace Independent Publishing Platform |
Total Pages | : 24 |
Release | : 2018-06-30 |
Genre | : |
ISBN | : 9781722116422 |
Download Computation of Navier-Stokes Equations for Three-Dimensional Flow Separation Book in PDF, ePub and Kindle
Supersonic flows over a sharp and a flat-faced blunt fin mounted on a flat plate are simulated numerically. Several basic issues involved in the resultant three-dimensional steady flow separation are studied. Using the same number of grid points, different grid spacings are employed to investigate the effects of a grid resolution on the origin of the line of separation. Various shock strengths are used to study the so-called separated and unseparated boundary layer and to establish the existence or absence of secondary separation. The length of separation ahead of the flat-faced blunt fin, bifurcation of a horseshoe vortex, and the accessibility of a closed-type separation are investigated. The usual interpretation of the flow field from previous studies and new interpretations arising from the present simulation are discussed. Hung, Ching-Mao Ames Research Center ...
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Total Pages | : 26 |
Release | : 1989 |
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Download Computation of Navier-Stokes Equations for Three-dimensional Flow Separation Book in PDF, ePub and Kindle
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Total Pages | : 22 |
Release | : 1985 |
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Download Computation of Three-dimensional Shock Wave and Boundary-layer Interactions Book in PDF, ePub and Kindle
Author | : Olivier Grunberg |
Publisher | : |
Total Pages | : 135 |
Release | : 2004 |
Genre | : |
ISBN | : |
Download Analysis of Two- and Three-dimensional Flow Separation Book in PDF, ePub and Kindle
(Cont.) three-dimensional flows, treating the case of open and closed separation separately. Next, we use a method developed by Perry and Chong (1986) to derive expansions of the Navier-Stokes equations that we use as models of three-dimensional separation. We verify our theory on those models. Finally we discuss new results on genuinely three-dimensional aspects of flow separation: open and closed separation, separation lines and separation surfaces.
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Total Pages | : 20 |
Release | : 1986 |
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Download Using the Boundary-layer Equation in 3-dimensional Viscous Flow Simulation Book in PDF, ePub and Kindle
Author | : David J. Peake |
Publisher | : |
Total Pages | : 232 |
Release | : 1980 |
Genre | : Aerodynamics |
ISBN | : |
Download Three-dimensional Interactions and Vortical Flows with Emphasis on High Speeds Book in PDF, ePub and Kindle
Author | : Michael J. Aftosmis |
Publisher | : |
Total Pages | : 52 |
Release | : 1992 |
Genre | : Navier-Stokes equations |
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Download An Upwind Method for the Solution of the 3D Euler and Navier-Stokes Equations on Adaptively Meshes Book in PDF, ePub and Kindle
A new node based upwind scheme for the solution of the 3D Navier- Stokes equations on adaptively refined meshes is presented. The method uses a second-order upwind TVD scheme to integrate the convective terms, and discretizes the viscous terms with a new compact central difference technique. Grid adaptation is achieved through directional division of hexahedral cells in response to evolving features as the solution converges. The method is advanced in time with a multistage Runge-Kutta time stepping scheme. Two- and three- dimensional examples establish the accuracy of the inviscid and viscous discretization. These investigations highlight the ability of the method to produce crisp shocks, while accurately and economically resolving viscous layers. The representation of these and other structures is shown to be comparable to that obtained by structured methods. Further 3D examples demonstrate the ability of the adaptive algorithm to effectively locate and resolve multiple scale features in complex 3D flows with many interacting, viscous, and inviscid structures.
Author | : Francis J. Marshall |
Publisher | : |
Total Pages | : 528 |
Release | : 1971 |
Genre | : Boundary layer |
ISBN | : |
Download Fluid Dynamics of Unsteady, Three-dimensional and Separated Flows Book in PDF, ePub and Kindle
Author | : Jin Kim |
Publisher | : |
Total Pages | : 86 |
Release | : 1984 |
Genre | : Navier-Stokes equations |
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Download Computation of Three-dimensional Turbulent Flow with the Parabolized Navier-Stokes Equation and K-E Turbulence Model Book in PDF, ePub and Kindle
Author | : |
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Total Pages | : 18 |
Release | : 1991 |
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Download Calculations of Separated 3-D Flows with a Pressure-staggered Navier-Stokes Equations Solver Book in PDF, ePub and Kindle