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A Meshless Method for Advection-Diffusion Problems

文献类型: 外文期刊

作者: Xue, Dangqin 1 ; Zhao, Huanping 2 ; Zhang, Jiaxi 3 ; Hou, Shulin 1 ;

作者机构: 1.China Agr Univ, Coll Engn, Beiing 10083, Peoples R China

2.Nanyang Tech Inst, Nanyang 473004, Peoples R China

3.Xinjiang Acad Agr Sci, Inst Agr Mechanizat, Urumqi 830091, Peoples R China

关键词: meshless method;advection diffusion equation;radial basis function;collocation

期刊名称:ENERGY DEVELOPMENT, PTS 1-4

ISSN: 1022-6680

年卷期: 2014 年 860-863 卷

页码:

收录情况: SCI

摘要: This paper formulates a radial basis function meshless method for the numerical simulation of the advection-diffusion problems. The spatial derivatives are approximated by RBF collocation technique whereas the temporal derivatives are discretized using the Crank-Nicholson method. Corresponding boundary conditions are enforced analytically at a discrete set of boundary nodes. The performances of the present method are demonstrated through their application to an advection-diffusion problem.

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