| 有限元外推插值法在非线性磁场计算中的应用研究 |
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| 引用本文： | 俞集辉,李永明.有限元外推插值法在非线性磁场计算中的应用研究[J].电工技术学报,1999,14(3). |
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| 作者姓名： | 俞集辉 李永明 |
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| 作者单位： | 重庆大学电气工程系,400044 |
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| 摘 要： | 基于变系数二阶椭圆微分方程的有限元外推和有限元插值理论，提出了一种计算二维非线性磁场的高精度有限元方法，并通过算例反映了这种方法的可行性和特点。
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| 关 键 词： | 非线性磁场 有限元法 外推法 插值法 |
The Research with Extrapolation and Interpolation of FEM to Calculate Non linear Magnetic Field |
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| Yu Jihui,Li Yongming.The Research with Extrapolation and Interpolation of FEM to Calculate Non linear Magnetic Field[J].Transactions of China Electrotechnical Society,1999,14(3). |
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| Authors: | Yu Jihui Li Yongming |
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| Affiliation: | Chongqing University 400044 China |
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| Abstract: | On the basis of the extrapolation and interpolation of FEM for 2 order elliptic equations with variable coefficient,this paper presents a higher numerical accuracy method to calculate 2D non linear magnetic field,and examine its possibility though the computing results of an example |
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| Keywords: | Nonlinear magnetic field Finite element method Extrapolation Interpolation |
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