动脉内壁剪切应力动态分布数值模拟研究Numerical Simulation Study on Shear Stress Dynamic Distribution near the Wall of Artery
黄忠洲,杜健航
摘要(Abstract):
针对人体动脉系统,利用心动周期内血管血液流量波建立了血管壁面切应力动态分布的求解体系,在一定的假设条件下,推导了不同Womersley数下该体系的分析解;最后采用该求解体系和分析解,利用血流动力学数据计算了猪颈动脉的管壁切应力动态分布,结果是本文的数值模拟求解计算量少,而且考虑了血管壁的弹性特性,得到更趋于合理的管壁切应力分布。
关键词(KeyWords): 血流动力学;动脉;切应力分布;Womersley数
基金项目(Foundation): 广东海洋大学人才引进专项基金资助(0512092);; 广东海洋大学校选课题(0612199)
作者(Author): 黄忠洲,杜健航
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