F-0818 MRI画像からの大動脈弓のモデリングと内部の流れのシミュレーション(S43-5 循環系の数値シミュレーション(2))(S43 生体力学シミュレーション)

Abstract

The three dimensional (3D) configuration of the arteries is very complex and this complex 3D geometry is considered to determine the distribution of mechanical forces exerted on the arterial wall by the blood flow. The 3D configuration of the aortic arch was modeled in the present study to analyze a single helical blood flow shown by clinical magnetic resonance imaging (MRI) studies. The single helical flow was thought to occur by a combination of the 3D distortion of the arch and the complex geometry of the major branches, and was thought to be responsible for the development of aortic aneurysms.