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| 3D automatic finite element meshing based on solid modeling |
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| DOI：10.7511/jslx19964066 |
| KeyWord:finite element,automatic meshing,solid modeling, |
| Zhang Haiyan |
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| Abstract: |
| It is presented in this paper the design and implementation of 3D automatic finite element meshing based on solid modeling. A series of modifications are made to the original algorithm of octree based finite element meshing, such as the establishment of a new data structure, the identifying of the octant attribute and the processing of boundary elements. Through these efforts, the algorithm presented maintains the advantages of original octree based meshing algorithm, such as automatic, hierachical, convenient for remeshing, and overcomes the disadvantages of large memory space demanding, low execute rate, complex boundary processing and bad shape of boundary elements. The result of the algorithm implementation is reasonably good. |
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