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《Journal of Beijing Institute of Technology》 2005-12
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Superconvergence of the Bernadi-Raugel Mixed Finite Element Approximation for the Three-Dimensional Stokes Problem

LIN Jia-fu,LI Qian(School of Science,Beijing Institute of Technology,Beijing100081,China)  
Superconvergence of a mixed finite element approximation for the three-dimensional Stokes problem is presented.By using the Bernadi-Raugel mixed finite elements which satisfies the Babuska-Brezzi condition a basic error is gained.Considering the problem on the piecewise uniform cuboid elements in the three-dimensional space,the convergence rate of the solution can be increased an order by using the interpolation and Bramble-Hibert lemma.
【Fund】: 北京理工大学基础科学研究基金项目(200307A22)
【CateGory Index】: O241.82
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Chinese Journal Full-text Database 10 Hits
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