六面体网格的四面体化
计算几何
2023-01-23 v2 数值分析
数值分析
摘要
计算网格中两类重要的三维单元是六面体和四面体。虽然已有若干高效方法可将六面体单元转换为四面体单元,但现有的用于六面体复形四面体化的算法是行进四面体算法,其限制了面划分的预先选择。我们将三角柱四面体化的一般过程推广到立方体的四面体化,并结合某些启发式方法设计了一种能够对任意六面体进行三角剖分的算法。
引用
@article{arxiv.2208.07128,
title = {Tetrahedralization of a Hexahedral Mesh},
author = {Aman Timalsina and Matthew G. Knepley},
journal= {arXiv preprint arXiv:2208.07128},
year = {2023}
}
备注
The previous version had an error in the proof of Observation 2.1, which has since been rectified in this version. Formatting and title changed