Simulation and Analysis of Three-Dimensional Arterial Trees

Yan Zhang; Hai Wei Xie

doi:10.4028/www.scientific.net/AMM.475-476.1603

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 475-476Simulation and Analysis of Three-Dimensional...

Simulation and Analysis of Three-Dimensional Arterial Trees

Abstract:

For hemodynamic simulation and heat transfer analysis of blood, it is necessary to generate a three-dimensional model of arterial tree. Referring to the approach of Constrained Constructive Optimization (CCO), a new method based on bifurcation law, Poiseuilles law and mass conservation was proposed to model arterial trees directly in simulation objects. The formulas for calculating the bifurcation ratios and the way to determine the location of bifurcation point were presented in the paper. In this model, the radius of the root segment was constant, the terminal pressure was unknown and the bifurcation exponent was variable. In order to demonstrate the feasibility of this method, an arterial tree was constructed in a spherical tissue.