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题名: Efficient mesh deformation based on Cartesian background mesh
作者: Fang, Hong; Gong, Chunye; Yu, Caihui; Min, Changwan; Zhang, Xing; Liu, Jie; Xiao, Liquan
作者部门: 空间科学部
通讯作者: Gong, CY (reprint author), Natl Univ Def Technol, Coll Aerosp Sci & Engn, Changsha 410073, Hunan, Peoples R China.
关键词: Mesh deformation ; Cartesian background mesh ; Radial basis functions ; Greedy algorithm
刊名: COMPUTERS & MATHEMATICS WITH APPLICATIONS
ISSN号: 0898-1221
出版日期: 2017
卷号: 73, 期号:1, 页码:71-86
收录类别: SCI ; EI
项目资助者: National Natural Science Foundation of China [61402039, 61303265, 71601182] ; National Key Research and Development Program of China [2016YFB0200400] ; Major research plan of NSFC [91430218, 91530324] ; China postdoctoral science foundation [2014M562570, 2015T81127] ; Special Research Fund of Science and Technology on Reactor System Design Technology Laboratory ; State Key Laboratories of Space Weather
英文摘要: Moving mesh is widely used in the simulation of aerodynamic shape optimization, multibody relative motion, aircraft icing and aeroelasticity. The efficient and high quality mesh deformation is the key technology of moving mesh. This paper presented a new Mesh Deformation method based on Cartesian Background Mesh (MDCBM). First, the Cartesian background mesh is deformed with radial basis functions (RBF). Second, the displacement of Cartesian background mesh is algebraically interpolated Onto all meshes in the computing domain. Since the background mesh is coarse, the background mesh deformation can be finished fast. Because the background mesh of MDCBM is regular, the mapping relationship between background mesh and the computing mesh is simple. So the time spent on mapping search is substantially reduced. The examples including NACA0012 airfoil, multi-element airfoil with structured, unstructured mesh and DLR-F4 wing-body show the good performance of MDCBM. We highlight the advantages of MDCBM with respect to its computational efficiency and high quality of deformed mesh. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.nssc.ac.cn/handle/122/6126
Appears in Collections:空间科学部_期刊论文

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