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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 Laplace equations. A preconditioning of the point set for triangulation by shear and edge-weighted average affine invariant transformation is proposed to stabilize and accelerate volume triangulation. In order to generate a smooth transition from the highly stretched structured boundary layer cells to the volume triangulation an anisotropic volume triangulation is used, where the derivation of the correct metrics is a key component. Benefits of the mesh generation strategy are outlined comparing calculations on different meshes to experimental data for the ONERA M6 wing.

Smooth Mixed Meshes for Acceleration of RANS CFD in Aircraft Analysis and Design