Automatic Recognition of Features from CAD Models for Mesh Generation

Provided by: Journal of Theoretical and Applied Information Technology
Topic: Enterprise Software
Format: PDF
Automatic recognition of features from CAD models is one of the key technologies for mesh generation. This paper studies the algorithm for automatic recognition of features from CAD models in STL data format. Firstly, a new STL data file with topological connection is constructed for the calculation. Secondly, the coplanar relationships among all the triangle facets are constructed initially. The third step is to determine whether all the boundary edges on the same face can make up an end-to-end closed circle.

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