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Wallraff, Marcel and Leicht, Tobias (2014) Higher Order Multigrid Algorithms for a Discontinuous Galerkin RANS Solver. In: AIAA SciTech. American Institute of Aeronautics and Astronautics. 52nd Aerospace Sciences Meeting, 13-17 Jan 2014, Washington.
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Official URL: http://dx.doi.org/10.2514/6.2014-0936
Abstract
A comparison of nonlinear and linear p- and h-multigrid algorithms will be presented with respect to both algorithmic convergence properties and run-time behavior. In addition to that a comparison with a single-level solver, namely a Backward--Euler method, will be presented as well. The algorithms will be used to solve the RANS-equations in combination with a k-w turbulence models for CFD applications in the area of compressible aerodynamic fows with high Reynolds numbers. The h-multigrid algorithms are formulated on agglomerated unstructured meshes. Results will be presented on both structured and unstructred meshes.
| Item URL in elib: | https://elib.dlr.de/91022/ | |||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||
| Title: | Higher Order Multigrid Algorithms for a Discontinuous Galerkin RANS Solver | |||||||||
| Authors: |
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| Date: | 2014 | |||||||||
| Journal or Publication Title: | AIAA SciTech | |||||||||
| Refereed publication: | Yes | |||||||||
| Open Access: | No | |||||||||
| Gold Open Access: | No | |||||||||
| In SCOPUS: | No | |||||||||
| In ISI Web of Science: | No | |||||||||
| Publisher: | American Institute of Aeronautics and Astronautics | |||||||||
| Status: | Published | |||||||||
| Keywords: | multigrid, Discontinuous Galerkin | |||||||||
| Event Title: | 52nd Aerospace Sciences Meeting | |||||||||
| Event Location: | Washington | |||||||||
| Event Type: | international Conference | |||||||||
| Event Dates: | 13-17 Jan 2014 | |||||||||
| Organizer: | American Institute of Aeronautics and Astronautics | |||||||||
| 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: | 10 Oct 2014 12:01 | |||||||||
| Last Modified: | 20 Jan 2015 09:46 |
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