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Aircraft Control Surface Deflection using RBF-based Mesh Deformation

Michler, Andreas K. (2010) Aircraft Control Surface Deflection using RBF-based Mesh Deformation. In: Proceedings of the 5th European Conference on Computational Fluid Dynamics, Eccomas CFD 2010. V European Conference on Computational Fluid Dynamics Eccomas CFD 2010, 14-17 June 2010, Lisbon, Portugal.

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Abstract

In this paper, mesh deformation based on radial basis functions is employed for deflecting aircraft control surfaces. A technique is presented which locally restricts the mesh deformation to the vicinity of the deflecting component and thereby saves computational time. In addition to the data sites consisting of the mesh points on the control surface with known displacements, further data sites are specified, and the centers for the interpolants are selected by means of an adaptive process. Choosing the centers for the displacements in each direction separately, termed sequential uni-variate adaptation, has proven to be superior to the approach with the same centers for all directions. It also permits to impose additional data sites for each direction independently, according to the respective boundary conditions. These techniques are used for the deflection of aileron and horizontal tail of the SDM generic fighter aircraft. By making use of overlapping mesh blocks and allowing in-plane movements on their faces, large control surface deflections are enabled, even if small spanwise gaps between control surface and parent component are modelled.

Item URL in elib:https://elib.dlr.de/67637/
Document Type:Conference or Workshop Item (Paper)
Title:Aircraft Control Surface Deflection using RBF-based Mesh Deformation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Michler, Andreas K.UNSPECIFIEDUNSPECIFIED
Date:2010
Journal or Publication Title:Proceedings of the 5th European Conference on Computational Fluid Dynamics, Eccomas CFD 2010
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Editors:
EditorsEmail
Pereira, J.C.FUNSPECIFIED
Sequeira, A.UNSPECIFIED
Status:Published
Keywords:Mesh Deformation, Radial Basis Functions
Event Title:V European Conference on Computational Fluid Dynamics Eccomas CFD 2010
Event Location:Lisbon, Portugal
Event Type:international Conference
Event Dates:14-17 June 2010
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:L VU - Air Traffic and Environment (old)
DLR - Research area:Aeronautics
DLR - Program:L VU - Air Traffic and Environment
DLR - Research theme (Project):L - Air Traffic and Weather (old)
Location: Braunschweig
Institutes and Institutions:Institute of Aerodynamics and Flow Technology > CASE
Deposited By: Michler, Andreas
Deposited On:05 Jan 2011 15:33
Last Modified:05 Jan 2011 15:37

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