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The parallel mesh deformation of the DLR TAU-Code

Gerhold, Thomas and Neumann, Jens (2007) The parallel mesh deformation of the DLR TAU-Code. In: Notes on Numerical Fluid Mechanics and Multidisciplinary Design Springer-Verlag Berlin Heidelberg 2007. pp. 162-169. ISBN 3-540-74458-4.

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Abstract

Mesh deformation for unstructured grids is usually solved employing algorithms based on a spring analogy or on a linear elasticity analogy. These methods require solving discrete equations for the given grid using iterative methods. The computational effort for these methods is not negligible compared to the effort required by the flow solver. In order to optimise the efficiency of the computational chain for coupled simulations of fluid structure interaction an alternative algebraic method was developed for the DLR TAU-Code. The TAU-Code is parallelized by domain decomposition using the message passing concept based on MPI such that each process works on one partition of the grid only. In order to employ the grid deformation on the grid partitions distributed over the processes, a parallel method is required. This paper describes the parallel grid deformation method and shows its efficiency and robustness for the DLR F6 geometry. Further applications are shown in order to demonstrate the grid deformation for dynamic aeroelastic simulations.

Document Type:Contribution to a Collection
Title:The parallel mesh deformation of the DLR TAU-Code
Authors:
AuthorsInstitution or Email of Authors
Gerhold, ThomasUNSPECIFIED
Neumann, JensUNSPECIFIED
Date:2007
Journal or Publication Title:Notes on Numerical Fluid Mechanics and Multidisciplinary Design
Refereed publication:Yes
In ISI Web of Science:No
Volume:96
Page Range:pp. 162-169
Editors:
EditorsEmail
Tropea, CameronUNSPECIFIED
Suad, JakirlicUNSPECIFIED
Heinemann, Hans-JoachimUNSPECIFIED
Henke, RolfUNSPECIFIED
Hönlinger, HeinzUNSPECIFIED
Publisher:Springer-Verlag Berlin Heidelberg 2007
ISBN:3-540-74458-4
Status:Published
Keywords:CFD, TAU, aeroelastic simulations, hybrid meshes, mesh deformation
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Institute of Aeroelasticity
Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Dr.-Ing. Thomas Gerhold
Deposited On:06 Mar 2009
Last Modified:27 Apr 2009 15:52

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