Mixed HP-finite element approximations on geometric edge and boundary layer meshes in three dimensions

被引:10
|
作者
Toselli, A [1 ]
Schwab, C [1 ]
机构
[1] Swiss Fed Inst Technol, Seminar Appl Math, CH-8092 Zurich, Switzerland
关键词
D O I
10.1007/s00211-002-0393-1
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
In this paper, we consider the Stokes problem in a three-dimensional polyhedral domain discretized with hp finite elements of type Q(k) for the velocity and Q(k-2) for the pressure, defined on hexahedral meshes anisotropically and non quasi-uniformly refined towards faces, edges, and corners. The inf-sup constant of the discretized problem is independent of arbitrarily large aspect ratios. Our work generalizes a recent result for two-dimensional problems in [10, 11].
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页码:771 / 801
页数:31
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