| FINITE ELEMENT APPROXIMATION USING A GRADED MESH ON DOMAINS WITH REENTRANT CORNERS |
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| 作者姓名： | CHEN Hongsen |
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| 作者单位： | CHEN Hongsen (Institut für Angewandte Mathematik，Universit(?)t Heidelberg，Gemany)LIN Qun (Institute of Systems Science，Academia Sinica，Beijing 100080，China) |
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| 基金项目： | This work was supported by the Deutsche Forschungsgemeinschaft(DFG),SFB 123.“Stochatistische Mathematische Modelle”,Universit(?)t Heidelberg |
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| 摘 要： | Finite element approximation of the elliptic operator on a non-convexdomain composed of rectangles is considered using a graded mesh.Some errorestimates and error expansion are presented.
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FINITE ELEMENT APPROXIMATION USING A GRADED MESH ON DOMAINS WITH REENTRANT CORNERS |
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| CHEN Hongsen.FINITE ELEMENT APPROXIMATION USING A GRADED MESH ON DOMAINS WITH REENTRANT CORNERS[J].Journal of Systems Science and Complexity,1992(2). |
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| Authors: | CHEN Hongsen |
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| Abstract: | Finite element approximation of the elliptic operator on a non-convexdomain composed of rectangles is considered using a graded mesh.Some errorestimates and error expansion are presented. |
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| Keywords: | Elliptic problem reentrant corner finite element method graded mesh extrapolation method |
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