COMPUTATION OF STEADY 3-DIMENSIONAL FLOW IN A MODEL OF THE BASILAR ARTERY
COMPUTATION OF STEADY 3-DIMENSIONAL FLOW IN A MODEL OF THE BASILAR ARTERY
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DOI：
10.1016/0021-9290(92)90058-9
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发表时间：
1992-12-01
影响因子：
2.4
通讯作者：
RAVENSBERGEN, J
中科院分区：
文献类型：
--
作者：
KRIJGER, JKB;HEETHAAR, RM;RAVENSBERGEN, J
基底动脉中的血流源自两条椎动脉的血流合并。为了研究基底动脉中的流动现象，使用有限元（FE）方法进行了计算。我们考虑几何对称汇合处的稳定流动。为简单起见，使用了具有矩形横截面的通道。对称和非对称流动情况都已被考虑。结果表明，对于感兴趣的雷诺数，连接处下游的血流是高度三维的，并且基底动脉末端的血流（在此再次分裂）将不会完全发展。计算出的现象已通过激光多普勒速度测量得到证实。
The flow in the basilar artery arises from the merging of the flows from the two vertebral arteries. To study the flow phenomena in the basilar artery, computations have been performed using a finite element (FE) method. We consider steady flow in a geometrically symmetric confluence. For simplicity, channels with a rectangular cross-section have been used. Both symmetric and asymmetric flow cases have been considered. The results show that for the Reynolds number of interest the flow downstream of the junction is highly three-dimensional, and that the flow at the end of the basilar artery, where it splits again, will not be fully developed. The computed phenomena have been confirmed by laser Doppler velocity measurements.