The rupture of intracranial aneurysm would lead to serious consequences, and different shapes of aneurysm have different effects on the rupture. In this paper, a mechanical analysis method is proposed for calculating ...The rupture of intracranial aneurysm would lead to serious consequences, and different shapes of aneurysm have different effects on the rupture. In this paper, a mechanical analysis method is proposed for calculating the rupture trend of intracranial aneurysm based on three-dimensional image reconstruction and hemodynamic numerical calculation and evaluation. Firstly, the modeling of actual intracranial aneurysms was conducted based on CT intracranial aneurysm angiography plane images. Secondly, the model was simplified from the perspective of fluid mechanics analysis to establish the mechanical model of different forms of intracranial aneurysms. Then the flow mechanics characteristics of each model in rigid boundary and fluid-structure coupling boundary were analyzed. The simulation research was conducted on the condition of normal pressure difference and pressure pulsation, and the most dangerous position of intracranial aneurysms rupture was analyzed. The results validate the correctness of theoretical analysis.展开更多
文摘The rupture of intracranial aneurysm would lead to serious consequences, and different shapes of aneurysm have different effects on the rupture. In this paper, a mechanical analysis method is proposed for calculating the rupture trend of intracranial aneurysm based on three-dimensional image reconstruction and hemodynamic numerical calculation and evaluation. Firstly, the modeling of actual intracranial aneurysms was conducted based on CT intracranial aneurysm angiography plane images. Secondly, the model was simplified from the perspective of fluid mechanics analysis to establish the mechanical model of different forms of intracranial aneurysms. Then the flow mechanics characteristics of each model in rigid boundary and fluid-structure coupling boundary were analyzed. The simulation research was conducted on the condition of normal pressure difference and pressure pulsation, and the most dangerous position of intracranial aneurysms rupture was analyzed. The results validate the correctness of theoretical analysis.
