Two-dimensional simulation of fluid-structure interaction using lattice-Boltzmann methods

被引：62

作者：

Krafczyk, M ^{[1
]}

Tölke, J ^{[1
]}

Rank, E ^{[1
]}

Schulz, M ^{[1
]}

机构：

[1] Tech Univ Munich, Lehrstuhl Bauinformat, D-80290 Munich, Germany

来源：

COMPUTERS & STRUCTURES | 2001年 / 79卷 / 22-25期

关键词：

CFD; fluid-structure interaction; heart valve; lattice-Boltzmann methods;

D O I：

10.1016/S0045-7949(01)00050-5

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

The development of flow instabilities due to high Reynolds number flow in artificial heart-value geometries inducing high strain rates and stresses often leads to hemolysis and related highly undesired effects. Geometric and functional optimization of artificial heart valves is therefore mandatory. In addition to experimental work in this field it is meanwhile possible to obtain increasing insight into flow dynamics by computer simulation of refined model problems. Here we present two-dimensional simulation results of the coupled fluid-structure problem defined by a model geometry of an artificial heart value with moving leaflets exposed to a channel flow driven by transient boundary conditions representing a physiologically relevant regime. A modified lattice-Boltzmann approach is used to solve the coupled problem. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：2031 / 2037

页数：7

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