KMS Of Academy of mathematics and systems sciences, CAS
CP-P Stokes finite element pair on sub-hexahedron tetrahedral grids | |
Zhang, Shangyou1; Zhang, Shuo2,3 | |
2017-12-01 | |
发表期刊 | CALCOLO |
ISSN | 0008-0624 |
卷号 | 54期号:4页码:1403-1417 |
摘要 | This paper presents a procedure to construct stable finite element pair for three dimensional incompressible Stokes problem. It is proved that, the quadratic-constant finite element pair, though not stable in general, is uniformly stable on a certain family of tetrahedral grids, namely some kind of sub-hexahedron tetrahedral grids. The sub-hexahedron tetrahedral grid is defined by refining each eight-vertex hexahedron of a certain hexahedral grid into twelve tetrahedra with one added vertex inside the hexahedron, while the hexahedral grid is a partition of a polyhedral domain where each (non-flat face) hexahedron is defined by a tri-linear mapping on the unit cube with eight vertices. |
关键词 | Stokes problem Mixed finite element Continuous quadratic velocity Discontinuous pressure Hexahedral grid Tetrahedral grid |
DOI | 10.1007/s10092-017-0235-2 |
语种 | 英语 |
资助项目 | National Centre for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences ; National Natural Science Foundation of China (NSFC)[11571023] ; NSFC[11471026] |
WOS研究方向 | Mathematics |
WOS类目 | Mathematics, Applied ; Mathematics |
WOS记录号 | WOS:000416357700013 |
出版者 | SPRINGER-VERLAG ITALIA SRL |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.amss.ac.cn/handle/2S8OKBNM/119 |
专题 | 国家数学与交叉科学中心 计算数学与科学工程计算研究所 |
通讯作者 | Zhang, Shuo |
作者单位 | 1.Univ Delaware, Dept Math Sci, Newark, DE 19716 USA 2.Chinese Acad Sci, Acad Math & Syst Sci, LSEC, ICMSEC, Beijing 100190, Peoples R China 3.Chinese Acad Sci, Acad Math & Syst Sci, NCMIS, Beijing 100190, Peoples R China |
推荐引用方式 GB/T 7714 | Zhang, Shangyou,Zhang, Shuo. CP-P Stokes finite element pair on sub-hexahedron tetrahedral grids[J]. CALCOLO,2017,54(4):1403-1417. |
APA | Zhang, Shangyou,&Zhang, Shuo.(2017).CP-P Stokes finite element pair on sub-hexahedron tetrahedral grids.CALCOLO,54(4),1403-1417. |
MLA | Zhang, Shangyou,et al."CP-P Stokes finite element pair on sub-hexahedron tetrahedral grids".CALCOLO 54.4(2017):1403-1417. |
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