| 无穷边界的最小二乘有限元逼近 |
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| 引用本文： | 顾海明,张伶伶,吴晓南.无穷边界的最小二乘有限元逼近[J].青岛科技大学学报,2005,26(6):545-550. |
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| 作者姓名： | 顾海明 张伶伶 吴晓南 |
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| 作者单位： | 青岛科技大学,数理系,山东,青岛,266042;香港浸会大学,数学系,香港,九龙塘 |
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| 基金项目： | ThisworkwassupportedinpartbyFRGofHongKongBaptistUniversityandRGCofHongKong |
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| 摘 要： | 研究了无穷边界的二阶椭圆问题,探讨了将其转化为一阶系统的最小二乘有限元逼近方法。得到了最小二乘有限元逼近的L2和H1模范误差估计。
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| 关 键 词： | 最小二乘有限元 误差估计 无穷边界条件 |
| 文章编号： | 1672-6987(2005)06-0545-06 |
| 修稿时间： | 2005年9月13日 |
Approximation of Infinite Boundary Condition to the Least-squares Mixed Finite Element Methods |
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| GU Hai-ming,ZHANG Ling-ling,WU Xiao-nan.Approximation of Infinite Boundary Condition to the Least-squares Mixed Finite Element Methods[J].Journal of Qingdao University of Science and Technology:Natutral Science Edition,2005,26(6):545-550. |
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| Authors: | GU Hai-ming ZHANG Ling-ling WU Xiao-nan |
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| Affiliation: | GU Hai-ming~1,ZHANG Ling-ling~1,WU Xiao-nan~2 |
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| Abstract: | A least-squares mixed finite element methods for the first-order system formulation of second-order elliptic problems and a formulation for the infinite boundary conditions are presented.The main result is that L~2 and H~1 error estimates of least-squares mixed finite element methods are obtained. |
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| Keywords: | least-squares mixed finite element error estimates infinite boundary conditions |
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