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뇌동맥류 혈액유입 저감을 위한 스텐트 형상에 관한 전산유체해석
여동현(Dong-Hyeon Yeo),박동규(Dong-Gyu Park),변상민(Sang-Min Byon) 한국기계가공학회 2017 한국기계가공학회지 Vol.16 No.1
A cerebral aneurysm is a ballooning arising from a weakened area in the wall of a blood vessel in the brain. In this study, the flow analysis of the blood vessel, including the cerebral aneurysm and the stent, was conducted to investigate the effect of the stent shape on reduction of blood flowing into the cerebral aneurysm. We used the Carreau model to describe Non-Newtonian behaviors of blood flow. Two kinds of stents, which had different cross angles were modelled by the commercial CAD program and the geometries of those stents were reflected in the analysis domain of the blood vessel. From the results of the flow analysis, we found that the blood flowing into the cerebral aneurysm was decreased as the cross angle of the stent was decreased.