Volume 28 Issue 4
Apr.  2002
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ZENG Lan-ying, WU Song-ping. Background Function for Generation of Unstructured Grids[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(4): 432-434. (in Chinese)
Citation: ZENG Lan-ying, WU Song-ping. Background Function for Generation of Unstructured Grids[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(4): 432-434. (in Chinese)

Background Function for Generation of Unstructured Grids

  • Received Date: 23 Nov 2000
  • Publish Date: 30 Apr 2002
  • Background information is one of the important aspects in the generation of unstructured grids by advancing-front method. Background information is generally obtained through creating background grids. To avoid the waste of time and memories in creating background grids, the article proposes an adaptive function to control the size of grids. It was proved that the method was useful and high effective. Based on the unstructured grids generated with the above function, and in combination with finite volume method, hypersonic nonequilibrium flows with chemical reactions were successfully calculated.

     

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  • [1] Venkatakrishnan V. Perspective on unstructured grid flow slovers [J]. AIAA Journal, 1996, 34(3):533~547. [2]Thompson J F, Weatherill N P. Aspects of numerical grid generation:current science and art . AIAA-93-3539-CP,1993. [3]Anderson W K. A grid generation and flow solution method for the Euler equations on unstructured grids [J]. Journal of Computational Physics, 1994, 110:23~38. [4]张来平. 非结构网格、矩形/非结构混合网格复杂无粘流场的数值模拟 . 绵阳:中国空气动力研究和发展中心,1997. [5]Rebay S. Efficient unstructured mesh generation by means of delaunay triangulation and Bowyer-Watson algorithm [J]. Journal of Computational Physics, 1993, 106:125~138. [6]叶正寅,杨永年.非结构网格生成技术中一种直接提供背景信息的方法[J].西北工业大学学报,1992,17(1):1~5. [7]谭维炎. 计算浅水动力学——有限体积法的应用[M]. 北京:清华大学出版社,1998. [8]Pirzadeh S. Structured background grids for generation of unstructured grids by advancing-front method[J]. AIAA Journal 1993, 31(2):257~265.
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