Fluid friction and wall viscosity of the 1D blood flow model

被引：10

作者：

Wang, Xiao-Fei ^{[1
,2
]}

Nishi, Shohei ^{[3
]}

Matsukawa, Mami ^{[3
]}

Ghigo, Arthur ^{[1
,2
]}

Lagree, Pierre-Yves ^{[1
,2
]}

Fullana, Jose-Maria ^{[1
,2
]}

机构：

[1] Univ Paris 06, Sorbonne Univ, UMR 7190, Inst Jean Rond dAlembert, F-75252 Paris 05, France

[2] CNRS, Inst Jean Rond dAlembert, UMR 7190, F-75252 Paris 05, France

[3] Doshisha Univ, Dept Elect Engn, Lab Ultrason Elect, Tokyo, Japan

来源：

JOURNAL OF BIOMECHANICS | 2016年 / 49卷 / 04期

关键词：

Pulse wave propagation; One-dimensional modeling; Fluid friction; Viscoelasticity; PULSE-WAVE PROPAGATION; HUMAN ARTERIAL NETWORK; ONE-DIMENSIONAL MODELS; EXPERIMENTAL VALIDATION; HEMODYNAMICS; SIMULATIONS; PRESSURE;

D O I：

10.1016/j.jbiomech.2016.01.010

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

We study the behavior of the pulse waves of water into a flexible tube for application to blood flow simulations. In pulse waves both fluid friction and wall viscosity are damping factors, and difficult to evaluate separately. In this paper, the coefficients of fluid friction and wall viscosity are estimated by fitting a nonlinear 1D flow model to experimental data. In the experimental setup, a distensible tube is connected to a piston pump at one end and closed at another end. The pressure and wall displacements are measured simultaneously. A good agreement between model predictions and experiments was achieved. For amplitude decrease, the effect of wall viscosity on the pulse wave has been shown as important as that of fluid viscosity. (C) 2016 Elsevier Ltd. All rights reserved.

引用

页码：565 / 571

页数：7

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