Abstarct. An improved method using feature line extraction is described for automatically generating hexahedral meshes for complex geometric models that automate the normally interactive operations (such as model editing). Testing showed that the time taken for these interactive operations was significantly reduced, making it possible to quickly generate hexahedral meshes with sufficient quality for complex models. Application of this method to mechanical part models showed that it shortened the time to generate a mesh in about 10% the time required with the previous method.
A technique for generating automatic hexahedral mesh in a complex solid model was developed. This technique can automate the interactive operations (such as model editing) that are carried out as a pretreatment for hexahedral-mesh generation. Consequently, in our tests, the time taken by these interactive operations was significantly shortened, and high-speed generation of a hexahedral mesh was thus possible. The technique was applied to generation of a hexahedral mesh of an engine-block model. It was confirmed that the mesh generation time is shortened to one tenth of the conventional method's time.
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