TY - CONF
T1 - Accelerating three-dimensional navier-stokes calculations
AU - Pierce, N. A.
AU - Giles, M. B.
AU - Jameson, A.
AU - Martinelli, Luigi
N1 - Funding Information:
We would like to acknowledge the authors of the Cochrane Review protocol 'Immunoglobulin for treating respiratory syncytial virus infection' (Tan 1998). This review was based on a published review by Fuller 2006, which?was withdrawn because the first author was unable to complete the review. We acknowledge former authors who worked on the draft of this review but did not complete the review:?Myuri Kantharajah, Farah Diba Zaman, Danielle Samra, and Monica N Gunturu. We wish to thank the following people for commenting on the draft protocol for this review: Anne Lyddiatt, Nancy Banasiak, Lenny Krilov, Mark Jones, and Inge Axelsson. We would like to gratefully acknowledge the following peer reviewers?for their considered comments on the 2019 draft of this review: Leonard R Krilov, David J Marchant, Simon Nadel, Teresa Neeman, Dee Shneiderman, and Menelaos Konstantinidis. We would also like to sincerely thank the Contact Editor, Roderick P Venekamp, for his critical comments that helped improve the review. Our thanks also to Liz Dooley and Ann Jones from the Cochrane Acute Respiratory Infections Group for editorial support and Mark Jones for statistical advice. Finally, we thank Rebecca Fortescue, joint Co-ordinating Editor of the Cochrane Airways Group, for signing off on this review.
Publisher Copyright:
© 1997 by N.A. Pierce, M.B. Giles, A. Jameson and L. Martinelli.
PY - 1997
Y1 - 1997
N2 - This paper addresses the widely observed breakdown in multigrid performance for turbulent Navier-Stokes computations on highly stretched meshes. Extending previous work in two dimensions, two alternative preconditioned multigrid methods are proposed based on an examination of the analytic expressions for the preconditioned Fourier footprints in an asymptotically stretched boundary layer cell. These methods provide for efficient multigrid performance by ensuring that all error modes are effectively damped inside the boundary layer. The schemes also strive to balance the trade-offs between operation count, storage overhead, and parallel scalability. The first of these methods is implemented for the present work and is shown to dramatically accelerate convergence for three-dimensional turbulent Navier-Stokes calculations.
AB - This paper addresses the widely observed breakdown in multigrid performance for turbulent Navier-Stokes computations on highly stretched meshes. Extending previous work in two dimensions, two alternative preconditioned multigrid methods are proposed based on an examination of the analytic expressions for the preconditioned Fourier footprints in an asymptotically stretched boundary layer cell. These methods provide for efficient multigrid performance by ensuring that all error modes are effectively damped inside the boundary layer. The schemes also strive to balance the trade-offs between operation count, storage overhead, and parallel scalability. The first of these methods is implemented for the present work and is shown to dramatically accelerate convergence for three-dimensional turbulent Navier-Stokes calculations.
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M3 - Paper
AN - SCOPUS:84983122738
SP - 676
EP - 698
T2 - 13th Computational Fluid Dynamics Conference, 1997
Y2 - 29 June 1997 through 2 July 1997
ER -