Effect of a moving boundary on pulsatile flow of incompressible fluid in a tube

被引：0
|
作者：
V. Damodaran
G. W. Rankin
C. Zhang
机构：
[1] Department of Mechanical and Materials Engineering and Fluid Dynamics Research Institute,
[2] University of Windsor,undefined
[3] Windsor,undefined
[4] Ontario,undefined
[5] Canada N9B 3P4,undefined
来源：
Computational Mechanics | 1999年 / 23卷
关键词：
Reynolds Number; Detailed Analysis; Flow Field; Governing Equation; Flow Behaviour;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The pulsatile flow in a pipe with a moving boundary has been studied for a viscous, incompressible fluid by solving the Navier-Stokes equations numerically. The governing equations were formulated in boundary fitted curvilinear coordinates and a finite volume discretization procedure was used to solve the problem. This analysis is based on the assumption that the flow has a simple periodic pulsation and the shape of the wall changes according to the frequency of pulsation. The presence of the moving boundary causes unsteadiness in the flow behaviour as the vibrating wall has a nonlinear interaction with the flow. A detailed analysis of the flow field is presented here for a range of frequencies (5≤α≤10) where α is the reduced frequency parameter and a Reynolds number of 100.
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页码：20 / 32
页数：12
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