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首页> 外文期刊>International journal of numerical methods for heat & fluid flow >Finite Element Numerical Analysisof Blood Flow And Temperaturerndistribution In Three-dimensionalrnimage-based Finger Model
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Finite Element Numerical Analysisof Blood Flow And Temperaturerndistribution In Three-dimensionalrnimage-based Finger Model

机译：基于三维图像的手指模型中血流和温度分布的有限元数值分析

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Purpose - The purpose of this paper is to investigate the blood flow and temperature distribution inrnhuman extremities.rnDesign/methodology/approach - The simulation is carried out from three aspects.Firstly,thernhemodynamics in the human upper limb is analyzed by one-dimensional model for pulsalite flow in anrnelastic tube.Secondly,the blood flow and heat transfer through living tissues are described basing onrnporous media theory,and the tissue model is coupled with the one-dimensional blood flow model.Withrnrespect to geometric modeling,MR-image-based modeling method is employed to construct a realisticrnmodel of the human finger.rnFindings - It is found that the temperature variation is closely related to the blood flow variation inrnthe fingertip and the blood flow distribution in the tissue is dependent on the locations of large arteriesrnand veins.rnOriginality/value - Blood flow and temperature distribution in a 3D realistic human finger arernfirstly obtained by coupling the blood circulation and porous media model.
机译：目的-本文的目的是研究人体四肢的血流和温度分布。设计/方法/方法-从三个方面进行模拟。首先，通过一维模型分析人体上肢的热血流动力学。其次，基于多孔介质理论描述了通过活体组织的血流和热传递，并将组织模型与一维血流模型相结合。在几何建模，基于MR图像的建模方面结果-发现温度变化与指尖的血流变化密切相关，并且组织中的血流分布取决于大动脉和静脉的位置。 / value-首先通过耦合b获得3D逼真的人手指中的血流和温度分布洪水循环和多孔介质模型。

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