Three-dimensional modelling of the human carotid artery using the lattice Boltzmann method: II. shear analysis

J. Boyd, James Buick

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    Abstract

    Numerical modelling is a powerful tool in the investigation of human blood flow and arterial diseases such as atherosclerosis. It is known that near wall velocity and shear are important in the pathogenesis and progression of atherosclerosis. In this paper results for a simulation of blood flow in a three-dimensional carotid artery geometry using the lattice Boltzmann method are presented. The velocity fields in the body of the fluid are analysed at six times of interest during a physiologically accurate velocity waveform. It is found that the three-dimensional model agrees well with previous literature results for carotid artery flow. Regions of low near wall velocity and circulatory flow are observed near the outer wall of the bifurcation and in the lower regions of the external carotid artery, which are regions that are typically prone to atherosclerosis.
    Original languageEnglish
    Pages (from-to)5781-5795
    Number of pages15
    JournalPhysics in Medicine and Biology
    Volume53
    Issue number20
    DOIs
    Publication statusPublished - 21 Oct 2008

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