TETRAHEDRAL ELEMENTS FOR FLUID-FLOW

被引：49
|
作者：
BERTRAND, FH [1 ]
GADBOIS, MR [1 ]
TANGUY, PA [1 ]
机构：
[1] UNIV LAVAL,CERSIM,QUEBEC CITY G1K 7P4,QUEBEC,CANADA
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING | 1992年 / 33卷 / 06期
关键词：
D O I：
10.1002/nme.1620330610
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Several old and new tetrahedral elements are tested and compared to some classical hexahedral elements for the solution of three-dimensional incompressible fluid flow problems. The proposed elements are created by adding velocity degrees of freedom to the basic trilinear velocity, constant pressure tetrahedron so as to satisfy the Brezzi condition. Numerical tests carried out for an artificial divergence-free flow problem and the lid-driven cubic cavity up to a Reynolds number of 400 are used to compare the proposed elements and assess their accuracy.
引用
收藏
页码：1251 / 1267
页数：17
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