Application of B-spline techniques to the modeling of airplane wings and numerical grid generation

Authors:
Karl-Heinz Brakhage;Philipp Lamby
Affiliations:
Institut für Geometrie und Praktische Mathematik, RWTH Aachen, D-52056 Aachen, Germany;Institut für Geometrie und Praktische Mathematik, RWTH Aachen, D-52056 Aachen, Germany
Venue:
Computer Aided Geometric Design
Year:
2008

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Abstract

In the present paper we give account of an effort that aimed at the unification of the whole geometric preprocessing that preceded the wind tunnel readings with a realistic airplane wing model in a recent research project. This preprocessing includes the automated generation of the CAD models which were used for the manufacturing of the multi-parted wing-fuselage configuration and the generation of the numerical grids for the corresponding numerical simulations. Due to the constraints of the project it was decided to employ only exact, watertight, untrimmed B-Spline representations.