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Wallraff, Marcel and Leicht, Tobias (2014) 3D application of higher order multigrid algorithms for a RANS-kw DG-solver. In: High Order Nonlinear Numerical Schemes for Evolutionary PDEs Lecture Notes in Computational Science and Engineering, 99. Springer Verlag. pp. 77-88. ISBN 978-3-319-05455-1.
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Official URL: http://www.springer.com/mathematics/dynamical+systems/book/978-3-319-05454-4
Abstract
We present an application of multigrid algorithms to a Discontinuous Galerkin discretization of the 3D Reynolds-averaged Navier--Stokes equations in combination with a kw-turbulence model. Based on either lower order discretizations or agglomerated coarse meshes the resulting algorithms can be characterized as p- or h-multigrid, respectively. Linear and nonlinear multigrid algorithms are applied to a 3D numerical test case, namely the VFE-2 delta-wing with rounded leading edge. All presented algortihms are compared to a strongly implicit single grid solver in terms of run time behavior and nonlinear iterations.
| Item URL in elib: | https://elib.dlr.de/92765/ | ||||||||||||||||||||
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| Document Type: | Contribution to a Collection | ||||||||||||||||||||
| Title: | 3D application of higher order multigrid algorithms for a RANS-kw DG-solver | ||||||||||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||||||||||
| Journal or Publication Title: | High Order Nonlinear Numerical Schemes for Evolutionary PDEs | ||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||
| Open Access: | No | ||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||||||
| Volume: | 99 | ||||||||||||||||||||
| Page Range: | pp. 77-88 | ||||||||||||||||||||
| Editors: |
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| Publisher: | Springer Verlag | ||||||||||||||||||||
| Series Name: | Lecture Notes in Computational Science and Engineering | ||||||||||||||||||||
| ISBN: | 978-3-319-05455-1 | ||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||
| Keywords: | p-multigrid, h-multigrid, higher order, RANS-kw, Discontinuous Galerkin | ||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||
| HGF - Program: | Aeronautics | ||||||||||||||||||||
| HGF - Program Themes: | fixed-wing aircraft | ||||||||||||||||||||
| DLR - Research area: | Aeronautics | ||||||||||||||||||||
| DLR - Program: | L AR - Aircraft Research | ||||||||||||||||||||
| DLR - Research theme (Project): | L - Simulation and Validation (old) | ||||||||||||||||||||
| Location: | Braunschweig | ||||||||||||||||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > C²A²S²E - Center for Computer Applications in AeroSpace Science and Engineering | ||||||||||||||||||||
| Deposited By: | Wallraff, Marcel | ||||||||||||||||||||
| Deposited On: | 01 Dec 2014 10:05 | ||||||||||||||||||||
| Last Modified: | 20 Jun 2021 15:45 |
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