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Area of Interest

Computational Fluid Dynamics (CFD)

Surface Triangulation

Direct advancing front method

• Use of CAD stereolithography (STL) data, which has become the de facto standard in rapid prototyping, as background grids for the surface meshing
• Automatic reconstruction of geometrical features for initial front setup
• Graphical User Interface (GUI) for easily controlling surface grid density by inserting source lines and points on the surface
• Outer boundary generation from templates

Modified decimation method

• Use of dirty triangulated surfaces from 3D scanners and images
• Quality enhancement methods
  • Node smoothing
  • Edge swapping based on the Delaunay property
  • Removal of nodes that have a small number of neighboring triangles
• Uniform mesh generation using a Delaunay triangulation method
• Function-based mesh coarsening based on local surface curvature and volume thickness

Isotropic Tetrahedral Mesh Generation

Advancing front method

• Controllability of the mesh density using a stretching parameter
• Quality enhancement using face swapping based on the Delaunay property and node smoothing

Parallel tetrahedral mesh generation

Unstructured Hybrid Mesh Generation

Near-field mesh generation method starting from the formation of an isotropic tetrahedral mesh

• Fully automated grid generation using an advancing layer method
• Addition of prismatic layers to the initial tetrahedral mesh to enhance the robustness

Hybrid mesh generation method from a surface mesh

• Fully automated grid generation using an advancing layer method
• Definition of multiple marching directions at sharp convex corners
• Far-field mesh generation: tetrahedral meshing by an advancing front method