Conservative and non-conservative arbitrary Lagrangian-Eulerian forms for ventricular flows

被引：14

作者：

Nordsletten, D. A. ^{[1
,2
]}

Hunter, P. J. ^{[2
]}

Smith, N. P. ^{[1
,2
]}

机构：

[1] Univ Oxford St Johns Coll, Oxford Comp Lab, Oxford OX1 3JP, England

[2] Univ Auckland, Bioengn Inst, Auckland 1, New Zealand

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2008年 / 56卷 / 08期

关键词：

Navier-Stokes; finite element; numerical analysis; blood flow;

D O I：

10.1002/fld.1647

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Blood flow through the heart is driven by a complex motion of the endocardial heart wall, where dilation or contraction results in filling and ejection. Boundary-driven flows of this type are inherently sensitive to conservation principles. Considering the finite element approach to the arbitrary Lagrangian-Eulerian (ALE) form of the Navier-Stokes equations, we present analysis addressing critical assumptions concerning conservation and numerical approximation which affect the accuracy and stability of ALE schemes for boundary-driven flows. Copyright (c) 2007 John Wiley & Sons, Ltd.

引用

页码：1457 / 1463

页数：7

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