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Higher Order Multigrid Algorithms for a Discontinuous Galerkin RANS Solver

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. doi: 10.2514/6.2014-0936.

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Official URL: http://dx.doi.org/10.2514/6.2014-0936


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/
Document Type:Conference or Workshop Item (Speech)
Title:Higher Order Multigrid Algorithms for a Discontinuous Galerkin RANS Solver
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Leicht, TobiasUNSPECIFIEDhttps://orcid.org/0000-0001-8038-2608UNSPECIFIED
Journal or Publication Title:AIAA SciTech
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Publisher:American Institute of Aeronautics and Astronautics
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:11 Jul 2023 15:02

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