非线性血流脉搏波在动脉内传播的有限元模型

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Journal of Wuhan University of Technology ›› 2001, Vol. 23 ›› Issue (10) : 78-80.
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FEM Formulation of Nonlinear Pulse Wave Propagation in Arteries Xie Guanmo Zhang Guanghui Chang XiaonianBased on previous researches a new theoretical model of nonlinear pulse wave propagation in arteries was presented in reference. Taking account of the viscosity of arteries and the delamination between blood plasma and red blood cell, the non dimensional governing differential equations of the fluid structure coupling system comprised of blood, arteries and their surrounding tissues were derived. In this paper those equations in reference are discretized by means of finite element method and the matrix equations of the fluid structure coupling system are obtained.artery; blood; pulse wave; fluid structure coupling; viscoelasticity; finite element method; isoparametric element

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