Wei Ji-dong
Abstract
For no-smooth solution(u∈H′),we define a new kind of error order by using projection type interpolation expansion.By which we obtained a derivative superconvergence result for higher-degree rectangular finite element with nonsmooth solution.
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For no-smooth solution(u∈H′),we define a new kind of error order by using projection type interpolation expansion.By which we obtained a derivative superconvergence result for higher-degree rectangular finite element with nonsmooth solution.
Key concepts: Superconvergence, Mathematics, Finite element method, Interpolation (computer graphics), Degree (music), Derivative (finance), Mathematical analysis, Projection (relational algebra)