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动脉壁应变分析方法的研究

Keywords: 动脉壁,零应力状态,应变分析

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Abstract:

研究了一个新的动脉壁零应力状态测量方法和动脉壁应变分析方法.该方法是测量动脉壁零应力状态的真实内外侧孤长,以此为基础对动脉壁进行应变分析.对白兔主动脉、颈动脉和股动脉比较了3种测量分析方法.结果表明,弧长分析方法是较好的分析方法.在动脉壁假设为均质材料的情况下,最好采用弧长分析方法.在测量动脉壁零应力状态的几何尺寸时,小圆环试件的纵向长度在D/2~2D内对测量结果没有影响.

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