AM05-17-010 3次元超音波計測融合血流シミュレーションにおけるフィードバック点配置の影響(生物流体・生体流体2,一般講演)

概要

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We have developed Ultrasonic-Measurement-Integrated (UMI) simulation to obtain detailed and accurate information of blood flow field numerically for the diagnosis or treatment of aneurysms. In this methodology, feedback signals derived from the difference between Doppler velocities by measurement and computation are fed back to the numerical simulation. In this study, we investigate the effect of feedback point arrangement on the computational accuracy of three-dimensional UMI simulation by numerical analysis. The result of UMI simulation converges to the standard solution in the feedback domain and in some extent of the downstream region of the feedback domain. The computational accuracy is more improved as the increment of feedback point density, while the necessary computational time for convergence is unchanged.
日本流体力学会の論文
2005-09-05