An improved meshless method with almost interpolation property for isotropic heat conduction problems
文献类型：期刊论文
| 作者 | Zhang, Xiaohua1; Zhang, Ping1; Zhang, Lin2 |
| 刊名 | ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS
 |
| 出版日期 | 2013-05-01 |
| 卷号 | 37期号:5页码:850-859 |
| 关键词 | Meshless method Heat conduction Spatial varying conductivity Computational efficiency Interpolation property |
| 英文摘要 | In the paper an improved element free Galerkin method is presented for heat conduction problems with heat generation and spatially varying conductivity. In order to improve computational efficiency of meshless method based on Galerkin weak form, the nodal influence domain of meshless method is extended to have arbitrary polygon shape. When the dimensionless size of the nodal influence domain approaches 1, the Gauss quadrature point only contributes to those nodes in whose background cell the Gauss quadrature point is located. Thus, the bandwidth of global stiff matrix decreases obviously and the node search procedure is also avoided. Moreover, the shape functions almost possess the Kronecker delta function property, and essential boundary conditions can be implemented without any difficulties. Numerical results show that arbitrary polygon shape nodal influence domain not only has high computational accuracy, but also enhances computational efficiency of meshless method greatly. (C) 2013 Elsevier Ltd. All rights reserved. |
| WOS标题词 | Science & Technology ; Technology ; Physical Sciences |
| 类目[WOS] | Engineering, Multidisciplinary ; Mathematics, Interdisciplinary Applications |
| 研究领域[WOS] | Engineering ; Mathematics |
| 关键词[WOS] | FREE GALERKIN METHOD ; BOUNDARY INTEGRAL-EQUATION |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000319481600007 |
| 公开日期 | 2015-05-27 |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/13500]  |
| 专题 | 过程工程研究所_研究所（批量导入） |
| 作者单位 | 1.China Three Goeges Univ, Coll Sci, Yichang 443002, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Xiaohua,Zhang, Ping,Zhang, Lin. An improved meshless method with almost interpolation property for isotropic heat conduction problems[J]. ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS,2013,37(5):850-859. |
| APA | Zhang, Xiaohua,Zhang, Ping,&Zhang, Lin.(2013).An improved meshless method with almost interpolation property for isotropic heat conduction problems.ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS,37(5),850-859. |
| MLA | Zhang, Xiaohua,et al."An improved meshless method with almost interpolation property for isotropic heat conduction problems".ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS 37.5(2013):850-859. |
入库方式： OAI收割
来源：过程工程研究所
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