Mathematical analysis for quadrilateral rotated Q1 element -: III:: The effect of numerical integration

被引：0
|
作者：
Ming, PB [1 ]
Shi, ZC [1 ]
机构：
[1] Chinese Acad Sci, Inst Computat Math, Beijing 100080, Peoples R China
来源：
JOURNAL OF COMPUTATIONAL MATHEMATICS | 2003年 / 21卷 / 03期
关键词：
quadrilateral rotated Q(1) element; numerical quadrature;
D O I：
暂无
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
This is the third part of the paper for the rotated Q(1) nonconforming element on quadrilateral meshes for general second order elliptic problems. Some optimal numerical formulas are presented and analyzed. The novelty is that it includes a formula with only two sampling points which excludes even a Q(1) unisolvent set. It is the optimal numerical integration formula over a quadrilateral mesh with least sampling points up to now.
引用
收藏
页码：287 / 294
页数：8
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