Extrapolation cascadic multigrid method on piecewise uniform grid——Dedicated to Professor Shi Zhong

来源 :中国科学：数学英文版 | 被引量 : 0次 | 上传用户：wuming66666666

【摘要】

：

The triangular linear fnite elements on piecewise uniform grid for an elliptic problem in convex polygonal domain are discussed.Global superconvergence in discr

【作者】

：

CHEN ChuanMiao HU HongLing

【机构】

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CollegeofMathematicsandComputerScience

【出处】

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中国科学：数学英文版

【发表日期】

：

2013年12期

【关键词】

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瀑布型多重网格法均匀网格网格方法外推分段生日线性有限元共轭梯度法 linear finite element piecewise uniform

【基金项目】

：

This work was supported by National Natural Science Foundation of China （Grant Nos. 11301176, 11071067 and 11226332）, the Research Fund for the Doctoral Program of Higher Education of China （Grant No.

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The triangular linear fnite elements on piecewise uniform grid for an elliptic problem in convex polygonal domain are discussed.Global superconvergence in discrete H1-norm and global extrapolation in discrete L2-norm are proved.Based on these global estim

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Extrapolation cascadic multigrid method on piecewise uniform grid——Dedicated to Professor Shi Zhong

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