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Author : Anton Schüller
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (75 download)
Download or read book A multigrid algorithm for the incompressible Navier-Stokes equations written by Anton Schüller and published by . This book was released on 1989 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute for Computer Applications in Science and Engineering
Publisher :
ISBN 13 :
Total Pages : 40 pages
Book Rating : 4.:/5 (317 download)
Download or read book A Dynamically Adaptive Multigrid Algorithm for the Incompressible Navier-Stokes Equations - Validation and Model Problems written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1991 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781720512141
Total Pages : 48 pages
Book Rating : 4.5/5 (121 download)
Download or read book Evaluation of a Multigrid Scheme for the Incompressible Navier-Stokes Equations written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-05-31 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fast multigrid solver for the steady, incompressible Navier-Stokes equations is presented. The multigrid solver is based upon a factorizable discrete scheme for the velocity-pressure form of the Navier-Stokes equations. This scheme correctly distinguishes between the advection-diffusion and elliptic parts of the operator, allowing efficient smoothers to be constructed. To evaluate the multigrid algorithm, solutions are computed for flow over a flat plate, parabola, and a Karman-Trefftz airfoil. Both nonlifting and lifting airfoil flows are considered, with a Reynolds number range of 200 to 800. Convergence and accuracy of the algorithm are discussed. Using Gauss-Seidel line relaxation in alternating directions, multigrid convergence behavior approaching that of O(N) methods is achieved. The computational efficiency of the numerical scheme is compared with that of Runge-Kutta and implicit upwind based multigrid methods.Swanson, R. C.Langley Research CenterMULTIGRID METHODS; NAVIER-STOKES EQUATION; INCOMPRESSIBLE FLOW; AIRFOILS; TREFFTZ METHOD; RUNGE-KUTTA METHOD; REYNOLDS NUMBER; PARABOLAS; FLAT PLATES; CONVERGENCE; ALGORITHMS
Author : Chunhua Sheng
Publisher :
ISBN 13 :
Total Pages : 302 pages
Book Rating : 4.:/5 (331 download)
Download or read book Development of a Multiblock Multigrid Algorithm for the Three- Dimensional Incompressible Navier-Stokes Equations written by Chunhua Sheng and published by . This book was released on 1994 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ruben S. Montero
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (317 download)
Download or read book Robust Multigrid Algorithms for the Incompressible Navier-Stokes Equations written by Ruben S. Montero and published by . This book was released on 2000 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anisotropies occur naturally in CFD where the simulation of small scale physical phenomena, such as boundary layers at high Reynolds numbers, causes the grid to be highly stretched leading to a slow down in convergence of multigrid methods. Several approaches aimed at making multigrid a robust solver have been proposed and analyzed in literature using the scalar diffusion equation. However, they have been rarely applied to solving more complicated models, like the incompressible Navier-Stokes equations. This paper contains the first published numerical results of the behavior of two popular robust multigrid approaches (alternating-plane smoothers combined with standard coarsening and plane implicit smoothers combined with semi-coarsening) for solving the 3-D incompressible Navier-Stokes equations in the simulation of the driven cavity and a boundary layer over a flat plate on a stretched grid. The discrete operator is obtained using a staggered-grid arrangement of variables with a finite volume technique and second-order accuracy is achieved using defect correction within the multigrid cycle. Grid size, grid stretching and Reynolds number are the factors considered in evaluating the robustness of the multigrid methods. Both approaches yield large increases in convergence rates over cell-implicit smoothers on stretched grids. The combination of plane implicit smoothers and semi-coarsening was found to be fully robust in the fiat plate simulation up to Reynolds numbers 10(exp 6) and the best alternative in the driven cavity simulation for Reynolds numbers above 10(exp 3). The alternating-plane approach exhibits a better behavior for lower Reynolds numbers (below to 10(exp 3) in the driven cavity simulation. A parallel variant of the smoother, tri-plane ordering, presents a good trade-off between convergence and parallel properties.
Author : R. C. Swanson
Publisher : BiblioGov
ISBN 13 : 9781289262938
Total Pages : 50 pages
Book Rating : 4.2/5 (629 download)
Download or read book Evaluation of a Multigrid Scheme for the Incompressible Navier-Stokes Equations written by R. C. Swanson and published by BiblioGov. This book was released on 2013-07 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fast multigrid solver for the steady, incompressible Navier-Stokes equations is presented. The multigrid solver is based upon a factorizable discrete scheme for the velocity-pressure form of the Navier-Stokes equations. This scheme correctly distinguishes between the advection-diffusion and elliptic parts of the operator, allowing efficient smoothers to be constructed. To evaluate the multigrid algorithm, solutions are computed for flow over a flat plate, parabola, and a Karman-Trefftz airfoil. Both nonlifting and lifting airfoil flows are considered, with a Reynolds number range of 200 to 800. Convergence and accuracy of the algorithm are discussed. Using Gauss-Seidel line relaxation in alternating directions, multigrid convergence behavior approaching that of O(N) methods is achieved. The computational efficiency of the numerical scheme is compared with that of Runge-Kutta and implicit upwind based multigrid methods.
Author : C. P. Thompson
Publisher :
ISBN 13 : 9788241500800
Total Pages : 100 pages
Book Rating : 4.5/5 (8 download)
Download or read book Developments in the Solution of the Incompressible Navier Stokes Equations written by C. P. Thompson and published by . This book was released on 1991 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cornelis W. Oosterlee
Publisher :
ISBN 13 :
Total Pages : 168 pages
Book Rating : 4.F/5 ( download)
Download or read book Robust Multigrid Methods for the Steady and Unsteady Incompressible Navier-Stokes Equations in General Coordinates written by Cornelis W. Oosterlee and published by . This book was released on 1993 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute for Computer Applications in Science and Engineering
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (317 download)
Download or read book Implementation of Multigrid Methods for Solving Navier-Stokes Equations on a Multiprocessor System written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1987 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : University of Minnesota. Institute for Mathematics and Its Applications
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (123 download)
Download or read book The Convergence on the Multigrid Algorithm for Navier-Stokes Equations written by University of Minnesota. Institute for Mathematics and Its Applications and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : T. L. Tysinger
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Implicit Multigrid Algorithm for the Navier-Stokes Equations written by T. L. Tysinger and published by . This book was released on 1991 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Schieweck
Publisher :
ISBN 13 :
Total Pages : 38 pages
Book Rating : 4.:/5 (897 download)
Download or read book A Parallel Multigrid Algorithm for Solving the Navier-Stokes Equations on Atransputer System written by Schieweck and published by . This book was released on 1992 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute for Computer Applications in Science and Engineering. (ICASE)
Publisher :
ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (535 download)
Download or read book Textbook Multigrid Efficiency for the Incompressible Navier-stokes Equations: High Reynolds Number Wakes and Boundary Layers written by Institute for Computer Applications in Science and Engineering. (ICASE) and published by . This book was released on 1999 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Stephen F. Mccormick
Publisher : CRC Press
ISBN 13 : 100010379X
Total Pages : 665 pages
Book Rating : 4.0/5 (1 download)
Download or read book multigrid methods written by Stephen F. Mccormick and published by CRC Press. This book was released on 2020-08-11 with total page 665 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a collection of research papers on a wide variety of multigrid topics, including applications, computation and theory. It represents proceedings of the Third Copper Mountain Conference on Multigrid Methods, which was held at Copper Mountain, Colorado.
Author : Markus Wabro
Publisher :
ISBN 13 : 9783854875567
Total Pages : 91 pages
Book Rating : 4.8/5 (755 download)
Download or read book Algebraic Multigrid Methods for the Numerical Solution of the Incompressible Navier-Stokes Equations written by Markus Wabro and published by . This book was released on 2003 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Friedhelm Schieweck
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (462 download)
Download or read book A Parallel Multigrid Algorithm for Solving the Navier-Stokes Equations on a Transputer System written by Friedhelm Schieweck and published by . This book was released on 1992 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Institute for Computer Applications in Science and Engineering
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (317 download)
Download or read book On Spectral Multigrid Methods for the Time-dependent Navier-Stokes Equations written by Institute for Computer Applications in Science and Engineering and published by . This book was released on 1985 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
