Extrapolation of Bilinear Finite Element Solution with Local Refinement Mesh
Citation：
Lin Qun,Xie Ruifeng.Extrapolation of Bilinear Finite Element Solution with Local Refinement Mesh[J].Chinese Annals of Mathematics B,1990,11(2):179~190
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Authors：
Lin Qun; Xie Ruifeng
Abstract：
For the less smooth solution caused by the reentrant domain it is shown that one step of extrapolation increases the order of bilinear finite element solution from 2 to 3 when the rectangular mesh satisfies certain local refinement condition.
