MIXED-HYBRID FINITE-ELEMENT APPROXIMATION OF THE POTENTIAL FLUID-FLOW PROBLEM

被引：26

作者：

MARYSKA, J ^{[1
]}

ROZLOZNIK, M ^{[1
]}

TUMA, M ^{[1
]}

机构：

[1] ACAD SCI CZECH REPUBL,INST COMP SCI,CR-18207 PRAGUE 8,CZECH REPUBLIC

来源：

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 1995年 / 63卷 / 1-3期

关键词：

POTENTIAL FLOW PROBLEM IN POROUS MEDIA; MIXED-HYBRID FORMULATION; GENERAL PRISMATIC ELEMENTS; SYMMETRICAL INDEFINITE LINEAR SYSTEMS;

D O I：

10.1016/0377-0427(95)00066-6

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

In the paper a mixed-hybrid approximation of the potential fluid flow problem based on prismatic discretization of the domain is presented. Trilateral prismatic elements with vertical faces and nonparallel bases suitable for the modelling of real geological circumstances are considered, The set of linearly independent vector basis functions is defined and existence and uniqueness of the approximate solution from the resulting symmetric indefinite system are examined. Possible approaches to the solution of the discretized system are discussed.

引用

页码：383 / 392

页数：10

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