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Improvements in the reliability and element quality of parallel tetrahedral mesh generation
Author(s) -
Chen Jianjun,
Zhao Dawei,
Huang Zhengge,
Zheng Yao,
Wang Desheng
Publication year - 2012
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/nme.4345
Subject(s) - polygon mesh , tetrahedron , mesh generation , robustness (evolution) , computer science , reliability (semiconductor) , scheme (mathematics) , aerodynamics , finite element method , algorithm , mathematical optimization , computational science , engineering , mathematics , structural engineering , geometry , aerospace engineering , mathematical analysis , biochemistry , chemistry , power (physics) , computer graphics (images) , physics , quantum mechanics , gene
SUMMARY The paper presents a parallel tetrahedral mesh generation approach based on recursive bidivisions using triangular surfaces. Research was conducted for addressing issues concerning mesh generation reliability and element quality. A novel procedure employing local modification techniques is proposed for repairing the intersecting interdomain mesh instead of directly repeating the bidivision procedure, which improves the robustness of the complete meshing procedure significantly. In addition, a new parallel quality improvement scheme is suggested for optimizing the distributed volume meshes. The scheme is free of any communication cost and highly efficient. Finally, mesh experiments of hundreds of millions of elements are performed to demonstrate the reliability, effectiveness and efficiency of the proposed method and its potential applications to large‐scale simulations of complex aerodynamics models. Copyright © 2012 John Wiley & Sons, Ltd.