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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, 2014-01-13 - 2014-01-17, Washington. doi: 10.2514/6.2014-0936.
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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 | ||||||||||||
| DOI: | 10.2514/6.2014-0936 | ||||||||||||
| 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 Start Date: | 13 January 2014 | ||||||||||||
| Event End Date: | 17 January 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: | 24 Apr 2024 19:56 |
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