Numerical Simulation of Nonlinear Pulsatile Newtonian Blood Flow through a Multiple Stenosed Artery.

International Scholarly Research Notices Pub Date : 2015-11-08 eCollection Date: 2015-01-01 DOI:10.1155/2015/628605
Satyasaran Changdar, Soumen De
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引用次数: 4

Abstract

An appropriate nonlinear blood flow model under the influence of periodic body acceleration through a multiple stenosed artery is investigated with the help of finite difference method. The arterial segment is simulated by a cylindrical tube filled with a viscous incompressible Newtonian fluid described by the Navier-Stokes equation. The nonlinear equation is solved numerically with the proper boundary conditions and pressure gradient that arise from the normal functioning of the heart. Results are discussed in comparison with the existing models.

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多元狭窄动脉非线性脉动牛顿血流的数值模拟。
利用有限差分法研究了在周期性体加速度影响下多动脉狭窄的非线性血流模型。动脉段是用一个圆柱形管来模拟的,管内充满了用纳维-斯托克斯方程描述的粘性不可压缩牛顿流体。利用适当的边界条件和由心脏正常功能引起的压力梯度,对非线性方程进行了数值求解。结果与现有模型进行了比较。
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