颅内动脉瘤病人局部血流动力学状态的数值模拟(王盛章; 陈家亮; 丁光宏; 杨新健; 张…

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【作者】王盛章; 陈家亮; 丁光宏; 杨新健; 张晓龙 【作者单位】复旦大学力学与工程科学系; 北京市神经外科研究所; 复旦大学附属华山医院放射科

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【论文摘要】 本研究通过三维医学影像重建的几何模型,建立了一个研究颅内动脉瘤血流动力学状态的弹性壁的计算模型,利用 CFD 和有限元方法对弹性壁模型中的血液流动和管壁运动的相互耦合过程进行了数值模拟,获得了颅内的流场模式和瘤壁上的切应力的分布,并且比较了刚性壁模型和弹性壁模型在血流动力学数值模拟结果上的差别。水利论文B`Lu@L

F8]K,RUx-S0【英文论文摘要】 In this paper,a computational model for a intracranial aneurysm is constructed according to its 3D geometric model obtained from its 3D medical images,numerically simulate the process of the interaction between the blood flow and the wall motion in the intracranial aneurysm.After that, the flow pattern and the wall shear stress distribution in the aneurysm are computed,and then the difference of simulated results between rigid-wall model and elastic-wall model are compared.

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}e`:T1kh*u3h0【论文关键词】 颅内动脉瘤; 血流动力学; 数值模拟; 三维医学影像
%u'n2g nw F7R0【英文论文关键词】 Intracranial aneurysm; hemodynamics; numerical simulation; 3D medical image水利论文%ZT'v f}R
【基金】国家自然科学基金项目(30772234);; 上海市重点学科基金(B112)资助.
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TAG: 动力学 动脉瘤 陈家亮 王盛章
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