K-网格上有限元的超收敛性及渐近准确的后验误差估计 |
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引用本文: | 黄云清,陈艳萍.K-网格上有限元的超收敛性及渐近准确的后验误差估计[J].计算数学,1994,16(3):278-285. |
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作者姓名: | 黄云清 陈艳萍 |
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作者单位: | 湘潭大学数学系 |
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摘 要: | K-网格上有限元的超收敛性及渐近准确的后验误差估计黄云清,陈艳萍(湘潭大学数学系)THESUPERCONVERGENCEANDASYMPTOTICALLYEXACTAPOSTERIORIERRORESTIMATEOFTHEFINITEELEMENTO...
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关 键 词: | 有限元 超收敛性 后验误差估计 |
THE SUPERCONVERGENCE AND ASYMPTOTICALLY EXACT A POSTERIORI ERROR ESTIMATE OF THE FINITE ELEMENT ON K-MESH |
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Institution: | Huang Yun-qing; Chen Yan-ping(Xiangtan University) |
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Abstract: | Abstract It is proved in this paper that the superconvergence of the gradient of finite elementsolution is preserved on the K-mesh. An asymptotically exact a posteriori error estimateis given by employing a local quadratic interpolation of the finite element solution. Theerror estimators can be obtained in parallel |
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