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Wilson元特征值下逼近准确特征值 被引量:10

EIGENVALUE APPROXIMATION FROM BELOW BY WILSON'S ELEMENT
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摘要 该文讨论矩形域上Laplace算子特征值问题有限元近似.证明了Wilson非协调有限元特征值下逼近准确特征值,从而解决了有限元法中长期存在的一个猜想. We consider the finite element approximation for the eigenvalue problem of the Laplace operator on a rectangular domain. We prove that the nonconforming Wilson element approximates eigenvalues from below, and thereby settle a long standing conjecture in the finite element method.
出处 《计算数学》 CSCD 北大核心 2007年第3期319-321,共3页 Mathematica Numerica Sinica
基金 国家自然科学基金(No.10571053) 贵州省优秀科技教育人才省长专项资金(黔科教办[2005]155号)资助项目.
关键词 特征值 WILSON元 Eigenvalue, Wilson element
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参考文献12

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