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Automatic surface mesh generation by a binary-tree method
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AI
DOI：10.1016/j.enganabound.2023.04.023.png)
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摘要
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In order to realize the automation of surface mesh generation for arbitrary complex models, this paper proposes a binary-tree method (BTM) which can generate discontinuous grids. Compared with continuous grids, the adja-cency relationship between discontinuous grids generated by BTM is more flexible, so it is easier to discretize dirty geometry without geometry repair than continuous grids. The BTM can adaptively generate meshes by features based on the curvature of curves and surfaces, and thus it does not need to construct a sizing field. Anisotropic meshes can also be directly generated by selecting the direction of subdividing meshes. Moreover, according to the periodic characteristics of periodic surfaces, the topological structure of the initial mesh can be designed to achieve mesh generation on periodic surfaces. Successful numerical examples are used to illustrate the effectiveness and robustness of the presented methods for meshing various types of geometric surfaces and reveal the excellent performance of the BTM. In addition, the BTM has been employed by the dual interpolation boundary face method (DiBFM) to solve 3D problems.
Keyword:
Binary-tree
Adaptive
Mesh generation
Dual interpolation boundary face method
期刊
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4.1
论文数:
5.9K
被引数:
9.4K
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