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

机译:多重脉管动脉的非线性脉动牛顿血流的数值模拟

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摘要

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.
机译:在有限差分法的帮助下,研究了在周期性多体狭窄动脉加速过程中,适当的非线性血流模型。动脉段是通过一个圆柱管模拟的,该圆柱管填充有由Navier-Stokes方程描述的粘性不可压缩牛顿流体。通过适当的边界条件和源于心脏正常功能的压力梯度对非线性方程进行数值求解。将结果与现有模型进行比较。

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