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Application of Smooth Mixed Meshes Based on Metric Identity in Aerospace Analysis and Design

Wild, Jochen

Proceedings, 17th International Meshing Roundtable, Springer-Verlag, pp.387-398, October 12-15 2008


17th International Meshing Roundtable
Pittsburgh, Pennsylvania, U.S.A.
October 12-15, 2008

DLR, Institute for Aerodynamics and Flow Technology, Lilienthalplatz 7,
D-38108 Braunschweig, Germany

An applicable method for generating mixed meshes around simple and medium complex configurations is presented. Core part of the mesh generation strategy is a smooth meshing of the boundary layer region by structured hexahedrons and prisms applying smoothing based on solving face-weighted Laplacian equations. A preconditioning of the point set for triangulation by shear and edge-weighted average affine invariant transformation is proposed to stabilize end accelerate constrained Delaunay volume triangulation. An examples of the mesh generation strategy is shown for a generic transport aircraft in high-lift configuration.

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