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We present a novel algorithm to automatically create high-quality sizing functions for unstructured volume mesh generation. Firstly, appropriate techniques are proposed to create a tetrahedral background mesh, in which an initial sizing function is defined by considering geometrical factors and user-specified parameters. Then, a convex nonlinear programming problem is formulated and solved efficiently...
According to the geometric sharp features of CAD assembly models, an algorithm for the automated generation of grid-based full hexahedral element meshes was developed. This method involves six steps: geometric feature identification, cubic grid structure generation, jagged core mesh generation, surface matching, topological optimization and node smoothing. In the grid-based hexahedral mesh, the quality...
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